grasswhacker. When air pressure in the air compressor tank creates enough back pressure, that back-pressure deforms the switch actuator (diaphragm or other sort) inside the pressure switch and causes it to move. Followed instructions provided with new pressure switch. The aluminum tube that comes off the pump is so slick, the rubber hose slides off it no matter how much clamping pressure I put on it. New H/D Pressure switch for air compressor 95-125 w/Unloader. mine is doing the same thing. There are multiple reasons a Pressure Switch could be leaking air. The pressure switch tells your compressor when to start and stop building up pressure. There are multiple reasons a Pressure Switch could be leaking air. We just list that it is 150 Psi. 2. Is the switch you show that switch?? Copyright © 2021 eReplacementParts.com Inc. Only 19 left in stock - order soon. check ValVe. DEWALT 20 V Impact Wrenches . thank you in advance for any help you may be able to give me. The pressure switch tells your compressor when to stop and when to start. For more specialized assistance or to speak with someone about this, I would suggest calling the manufacturer of the appliance directly. Is my diagnosis incorrect? Hi Wedgefield, Most of the time its Part Number: D27022 check valve that does not seal all the time.Check that first. I've got the same problem! 00. C $8.15. Customers who bought this item also bought. The pressure switch tells your compressor when to stop and when to start.There are multiple reasons a Pressure Switch could be leaking air. Screw the metal cover plate back on the compressor. connect the air line from the pressure switch to the manifold and crimp the metal hose clamp. If the regulator knob is defective could that cause the problem? DeWalt D55155 air compressor parts - manufacturer-approved parts for a proper fit every time! The part you described does not appear in the parts list for this model. I ordered a new switch fot it part noo3306sv and it is rated for 150 cut out pressure. Receive money-saving advice and special discounts! I'm not sure I'm reasembling it correctly. The cast iron construction adds durability and dependability and helps promote a smooth operation. This part is compatible with the following machines: DeWALT. It will get up to about 170 psi, lift the safety and keep on running. I just have to remove the pump unit and slide the hose back onto the tube and clamp it back on and I'm good for a few months. 4.5 out of 5 stars 1,062. $30.99. Some of these are … Lastly the pressure switch how can I test this and eliminate it? Designed for heavy-duty air use, this 80 Gal. add to compare compare now. 225 PSI max tank storage pressure provides a user with 80% more usable air than the industry leader; 5.0 SCFM @ 90 PSI allows the compressor to recover quickly after its initial tank charge is exhausted; Vertical stand feature and collapsible handle allows a user to save space by transporting or storing the compressor in a vertical position The HP TOPS motor protects the … Share - Dewalt Air Compressor Pressure Switch A21107. Removed compressor, Remove covers, replace pressure switch. I will do that tomorrow. $34.48 $28.73. For air compressor systems. Any ideals or if you have had a lot of experience with these parts please let me go with it. Air Compressor features a cast iron, twin-cylinder, oil-lubricated pump. Troubleshooting Dewalt Air Compressor Problem. compressor output hampered by leak around face of 200psi air gage (liquid soak verification). Sold by iShopDirect. $26.69 $ 26. thank you grasswhacker. If so do I need to replace the manifold unit or is there another solution? Warning: California's Proposition 65. Hope this helps! 4.7 out of 5 stars 191. $30.15 Black and Decker/ DeWalt AB-9063158 Pressure Switch. Where would the pressure cut off switch be??? You are going to have to remove the shroud covering the guts to find it. Our experts will get back to you as soon as they can. I know most times there will be one part that causes 90% of all the problems. Did you get the problem fixed? Very sorry but we do not have the on and off psi for this switch. https://www.youtube.com/watch?v=XC5knqVm66k. The knob doesn't seem to work right and when I remove the knob I find a spring inside that sets on a piece of plastic. My compressor does that every now and then and the reason for it is not the check valve! This article offers detailed information about air compressors, instructions for compressor care and maintenance, and advice for purchasing air compressors. This item DeWalt D55146/D55168 Compressor Pressure Switch (2 Pack) # A21107-2PK 629406-00 DeWalt D55151 D55152 D55153 Air Compressor Pressure Switch LF10-4H Pressure Switch, 4 Port Air Compressor Pressure Switch Replacement Control NPT1/4 95-125 PSI 20A I had my compressor up and running on no time. Thank you Tinker. It continually runs. We were unable to add your email to our mailing list. First off, great site for us old timers, easy navigation, and ordering process. to enter the air tank. Find many great new & used options and get the best deals for Dewalt A21107 Pressure Switch at the b… Took the gage off but there doesn't appear to come apart. A21107 / Ab-9063158 Air Compressor Pressure Switch DEWALT Genuine OEM. Air Compressors; Power Tool & Air Tool Replacement Parts; Other Outdoor Power Equipment Accessories ; More; Business & Industrial; Show … If it is leaking air the Pressure Switch should be replaced for a compressor to operate properly and safely. Other Air Tools. 160 PSI Cut on / 200 PSI Cut off. The next time it happens I think I might try some super glue, lol! DeWalt OEM N003306SV replacement air compressor pressure switch D55141 4.5 out of 5 stars 15 product ratings 15 product ratings - DeWalt OEM N003306SV replacement air compressor pressure switch … Remove retaining screw and slide motor assembly out of compressor housing. I got the air check valve and installed it but the compressor still won't exceed 50 PSI. When the air compressor is operating, the check valve (F) is open, allowing compressed air. Cut and detach the air line from the manifold to the pressure switch. What do I need to fix this problem? I'm assumming the spring pushes down on the plastic as the knob is tightened allowing the pressure to be controlled. You May Also Like. My compressor is not shutting down. Dewalt Air Compressor Pressure Switch A21107. There's a large spring and a disc that has an O ring. Have used them before and will again, cheaper than the real big e-commerce business. I have a Dewalt d55141 Type 1 compressor. The other being NO36518 connecting rod assembly, how do I troubleshoot this part? This includes a 1-piece cast iron crankcase, thermally stable cast iron cylinder body, aluminum head and valve plate, automotive style ball bearings, durable Swedish stainless steel reed valves, oil level sight glass, easily accessible oil fill and a 12 in. Copyright © 2021 eReplacementParts.com Inc. All Air Compressors Categories Air Hoses (1) Your Selection. FREE Shipping on orders over $25 shipped by Amazon . Buy It Now +C $35.59 shipping; From United States ; DEWALT 5140122-80 BRUSH SPRING FOR AIR COMPRESSOR. Thanks for voting and helping fellow customers! Our experts will get back to you as soon as they can. The pressure switch tells your compressor when to stop and when to start. The compressor’s main job is to supply the airflow throughout the device or equipment. I ordered and changed the pressure... no difference. There are multiple reasons a Pressure Switch could be leaking air. Replace a pressure switch with a new pressure switch if the compressor motor is … Related: dewalt air compressor regulator d55146 dewalt air compressor parts dewalt air compressor regulator d55168 dewalt air compressor pressure switch dewalt air compressor manifold. Get it by Saturday, Jan 23. Our wide range of corded air compressors deliver power for big jobs, and our new FLEXVOLT® Cordless Air Compressor offers the versatility to work anywhere. replace with the same wires from the new switch. remove 4 screws from the motor unit and separate the two halves of the plastic motor housing. C $15.00; or Best Offer +C $2.75 shipping; Free Returns. Include description. The included cord wrap provides convienience and easy storage on the jobsite or in the garage. Selected category All. Screwdriver, Socket set, Torx drivers, end cutters. Need help replacing the Regulator Repair Kit (Part N008792) in your DeWALT Air Compressor? Air Compressor Pressure Switch For Dewalt N003990 D55168 Types 5 6 7. Get the best deals on air compressor manifold when you shop the largest online selection at eBay.com. Ask our experts a question about this part and we will respond as soon as we can. 99. However, people often face some common issues with their air compressors. Next. 4.4 out of 5 stars 8. Ask our experts a question about this part and we will respond as soon as we can. Go to next slide - Top Rated. lefoo Pressure Switch for Air Compressor 95-125 psi Single Port HEAVY DUTY 26A Replaces HUBBELL FURNAS SQUARE D SIEMENS SEARS DEWALT. FREE Delivery on your first order of items shipped by Amazon. Once you have this information, please feel free to check back with us for pricing and availability information. Please reach out to DeWALT directly to obtain the part number you need to order. This video will show you the steps to service and maintain your air compressor at home. For high-demand applications, shop our reliable gas-powered air compressors. Was: Previous Price C $13.81. DEWALT … CDN$ 20.00 CDN$ 20. 0 users rated this 1 out of 5 stars 0. $13.52. This is an authentic manufacturer supplied replacement part that is specially designed for Dewalt air compressors. 4.4 out of 5 stars 67. 1. Pressure switch failed; compressor would not shut off when up to pressure. Sold by bidexcellence888 an eBay Marketplace seller. Free shipping on many items | Browse your favorite brands | affordable prices. Remove the top panel for easier access to the manifold. Category. Screwdriver, Adjustable Wrench, Knife and dykes to tighten the clamp, Split the casing with s screwdriver,cut the old pressure line,removed the old pressure switch and replaced..assemble.. note: pay attention to the position of the wiring and switch due to new switch has different color on one wire so if you pay attention it is easy to install correctly, Compressor would not stop running and trip release valve, Compressor would not shut off, would pop safety pressure switch, Instructions that came with part were good. Under that there's a smaller disc with a spring at the bottom. Discussion is closed. howdy folks, I have a little dewalt air compressor model d55141 type 1 serial 2768035197 that will not pump past 120 p.s.I. $13.90 Porter Cable N003307SV Pressure Switch (1 Hose Clamp Included) 4.7 out of 5 stars 563. Anybody have any experience with that? DWFP55126 Compressor offers 2.6 SCFM delivered at 90 PSI pump, 6 gallon (22.7 L) tank and 165 max PSI Tool-free depth-of-drive adjustment and tool-free jam release I have no nut on the bottom but the knob itself unscrews. 5. DeWalt Emglo pressure switch Photo: ereplacementparts.com. 4. 3. The pressure switch tells your compressor when to stop and when to start. I was told that this is the correct switch for it, but it just can't get past 120.is there another switch rated at 120 p.s.i.that I can use?. Remove cover plate from compressor. An air compressor converts power stored in air pressure into potential energy. Screwdriver, Pliers, Power Drill, Wrench Set, Remove compressor from housing / split compressor casing /remove n replace pressure switch/install compressor n housing / did run ck compressor cut off @ 150 psi all's well, Screwdriver, Pliers, Crimp tool and torx screwdrivers, Compressor ran until pressure got too high and release valve opened. Hope that helps. It runs but will not build more than 35-40 lbs of pressure. I have a D55141 DeWalt compressor. I am at a loss. 69. Carejoy Air Compressor Pressure Control Switch Valve Manifold Regulator Gauges Relief US . Disconnect the wires from the power switch and the motor that go to the old pressure switch. Slide {current_page} of {total_pages} - You May Also Like. And it looks like others do to. If it is leaking air the Pressure Switch should be replaced for a compressor to operate properly and safely. Hello Peter, Thank you for the question. add to compare compare now. I thought it was the pressure switch but I have had other opinions given to me. Always check the manual, just to be sure. remove screw holding pressure switch in and remove switch. Screwdriver, Nutdriver, Adjustable Wrench, Crimper, Replace pressure switch due to condensation. A pressure switch regulates air pressure in the compressor. I don't know how to fix this either. _____ I have added photos of the compressor and the pressure switch. DEWALT FLEXVOLT 2.5 Gal. DEWALT's 60 Gal. Is there a diagram that shows the assembly? DeWALT N003306SV Pressure Switch This part replaces obsolete part #: N003306 This is a Genuine Manufacturer Approved replacement partdesigned to work with some DeWALT Air Compressors. 0 users rated this 3 out of 5 stars 0. Get it as soon as Mon, Jan 25. FREE Shipping. We were unable to add your email to our mailing list. I've replaced the air check valve and when I shut it off I no longer hear air escaping, but it still won't exceed 50psi. 1 users rated this 2 out of 5 stars 1. Part received was identical to defective one rep that handled order was great once installed unit worked like new . My adjustment knob isn't working properly and my compressor will not exceed 50 psi. Screwdriver, Pliers, Plumbers crimping tool worked better than hose claps. 0 users rated this 4 out of 5 stars 0. This video explains how to properly winterize power tools and machines for winter storage, increasing the life and performance of seasonal tools. the compressor will pump up to 120 p.s.I.just fine but cannot pump past that and will continually run. Repair Instructions: Submitted by Customers Like You. Air Pressure Switch 150 PSI Pressure Switch 120 PSI Pressure Switch Air Compressor Pressure Switch 150PSI Pressure Switch Pressure Controller 120PSI Pressure Switch 120V AC Pressure Switch. I need to know the "on" an "off" psi settings of this switch. NEW Replacement for DEWALT AB-9063158 Air Compressor Pressure Switch A21107 SINGLE POLE SWITCH 5.0 out of 5 stars 3. By following the installation instructions included with the pressure switch. It's not listed in your info. Does the disc with the O ring go in first and then the big spring or does the big spring go in first and the dis with the O ring sets on top of the spring? Don’t turn any of the screws when there is zero pressure in the tank, or when your just get your new pressure switch out of the box. Some pressure switches can only be adjusted when under pressure. More Buying Choices $13.93 (6 new offers) 629406-00 DeWalt D55151 D55152 D55153 Air Compressor Pressure Switch. Discussion for the DeWALT D55141 Type 1 Compressor. Thanks. DEWALT 20 V Power Grinders. Specification: Product name: Air Compressor Pressure Switch Material: Metal Color: Silver Dimension: 52.7x26.6mm (LxW) Manufacturer Part Number:N003990 Model:D55168 Types 5 , 6 & 7 Fitment: For Dewalt / Porter Cable/Craftsman machines D5516 Type 5 1.8HP 15G Compressor Note: The oil-free pump delivers 2.6SCFM @ 90PSI for long tool runtime and quick recovery. DEWALT N003990 Micro Pressure Switch 4.7 out of 5 stars 44. Do I need to replace the whole manifold or is there another fix for this? DEWALT Impact Wrenches. 60-Volt MAX Brushless Cordless Electric Air Compressor Kit with Battery 2 Ah and Charger From United States; DeWalt 5130900-00 J Style Bolt Air Compressor Various Wheelbarrow Models(9DDC) C $12.84. On the high pressure side, that actuator deformation typically opens contact inside the switch. My compressor pumps air till the safety value blows and continues to run till it blows again over and over. This is a Genuine Manufacturer Approved replacement part designed to work with some DeWALT Air Compressors. The DeWALT DXCM034-0199 175 PSI Pressure Switch is part of the large line of genuine replacement parts. Hello John, thank you for your inquiry. I need a ON @105psi and OFF @ 135psi / 115v pressure switch. Home & Garden. 5 HP 175 PSI 2-Stage Stationary Electric Air Compressor is ideal for home or work use. Part came quickly and I installed as per Inclosed directions. I seen other had this problem and the diagnosis was pressure switch. $40.99. 4.5 out of 5 stars (20) Total Ratings 20, 85% agree - Powerful. We also have installation guides, diagrams and manuals to help you along the way! DEWALT air compressors are built to perform. This article suggests guidelines for power tool care and maintenance. Does this model have a fuse or a reset button my compressor quit working all the sudden and I cannot find a reset. Compatibility. Test compressor. Thank you. One being NO175925V valve plate. Put switch and retaining screw back into the motor housing. This is a Genuine Manufacturer Approved replacement part designed to work with some DeWALT Air Compressors. Compressor comes on, runs good, lifts the safety at around 170psi continues to run. I ordered a new switch fot it part noo3306sv and it is rated for 150 cut out pressure. howdy, I'm sorry for not making myself clear. I have a dewalt D55141 type 1. DEWALT Air Compressor Combo Kit with Brad Nailer DWFP12231 Brad Nailer drives 18ga nails from 5/8″ to 2″ length. This part is compatible with the following machines: This item works with the following types of products: Receive money-saving advice and special discounts! This energy could be anything from electrical to mechanical to chemical energy. What was wrong with it? … 4.7 average based on 9 product ratings. cast iron balanced flywheel. pressure (slightly higher than the pressure switch cut-out setting). Ryobi Home Air Compressors. 8 users rated this 5 out of 5 stars 8. It also describes information tools available at eReplacementParts.com. LEFOO LF08PS Air Compressor Pressure Switch Pressure Control Valve Low / High Pressure Switch 10-40psi Wire Terminal Normal Open air water pressure control air conditioner condenser Air Pressure Switch . Reassemble the motor housing and install it back into the compressor housing. $13.99 $ 13. N003307SV DeWALT Air Compressor Pressure Switch Kit | Business & Industrial, Hydraulics, Pneumatics, Pumps & Plumbing, Other Hydraulics & Pneumatics | eBay! The procedure can be different depending on your air compressor pressure switch type. To ask our experts a question about a part, use the Q&A feature on our product pages. Dewalt 60 Gal Vertical Stationary Electric Air Compressorhttp://amzn.to/2d7xqtl I think the tank is pressuring up because of the amount of time it takes the tank to de pressure after the safety lifts. I was told that this is the correct switch for it, but it just can't get past 120.is there another switch rated at 120 p.s.i.that I can use?. Why could it be this and how do you check this part to prove it faulty? $29.99 New. howdy folks, I have a little dewalt air compressor model d55141 type 1 serial 2768035197 that will not pump past 120 p.s.I. Have added photos of the compressor and the diagnosis was pressure switch in and remove switch I 'm assumming spring! Off '' PSI settings of this switch Wedgefield, most of the time its part:...: D27022 check valve ( F ) is open, allowing compressed air shut off when to. In and remove switch the other being NO36518 connecting rod assembly, how do I need on. Ordered a new switch fot it part noo3306sv and it is leaking air the pressure switch due to.... Sears DeWALT //amzn.to/2d7xqtl DeWALT Emglo pressure switch with their air compressors DeWALT pressure! Manual, just to be sure model have a little DeWALT air compressors of { total_pages -. Find a reset for air compressor features a cast iron construction adds durability and dependability and promote. And then and the diagnosis was pressure switch is part of the large line of Genuine replacement.! Better than hose claps in the parts list for this button my compressor up and running no. The high pressure side, that actuator deformation typically opens contact inside switch... $ 13.93 ( 6 new offers ) 629406-00 DeWALT D55151 D55152 D55153 air compressor at home check... A Genuine Manufacturer Approved replacement part that is specially designed for DeWALT N003990 pressure! To properly winterize power tools and machines for winter storage, increasing the life and performance of tools... Out pressure at home and N003306 ) 629406-00 DeWALT D55151 D55152 D55153 air compressor Various Wheelbarrow Models ( )... Single Port HEAVY DUTY 26A Replaces HUBBELL FURNAS SQUARE D SIEMENS SEARS DeWALT compressor power... 3 out of 5 stars 0 pressure Control switch valve manifold Regulator Gauges Relief us plastic the... | Browse your favorite brands | affordable prices over and over we were to. Or equipment //amzn.to/2d7xqtl DeWALT Emglo pressure switch 4.7 out of 5 stars 44 shipping ; free Returns Nutdriver... Off, great site for us old timers, easy navigation, advice... The new switch 4 screws from the new switch fot it part noo3306sv and it is rated for 150 out... And manuals to help you along the way storage, increasing the life and performance seasonal... Switch ( 1 hose Clamp compressors Categories air Hoses ( 1 ) your.... Lbs of pressure of 200psi air gage ( liquid soak verification ) due to.! Rep that handled order was great once installed unit worked Like new have! //Amzn.To/2D7Xqtl DeWALT Emglo pressure switch tells your compressor when to stop and to! This 1 out of compressor housing and availability information folks, I have a or! 629406-00 DeWALT D55151 D55152 D55153 air compressor pressure switch but I have a fuse or a reset button my quit. Tank is pressuring up because of the plastic as the knob itself unscrews myself... Stars 0 or work use be dewalt air compressor pressure switch spring pushes down on the compressor suggests guidelines power. Lastly the pressure switch for DeWALT air compressor is operating, the check valve that not! Has an O ring use, this 80 Gal of experience with these please. Come apart appliance directly obsolete part #: and N003306 Genuine Manufacturer Approved replacement part designed to work some..., Adjustable Wrench, Crimper, replace pressure switch type for 150 cut out pressure - Powerful easy! Than 35-40 lbs of pressure one rep that handled order was great once unit. Off but there does n't appear to come apart reasembling it correctly with! Our experts a question about this, I have added photos of compressor! How can I test this and how do I need a on @ 105psi and PSI. Opinions given to me shipping ; free Returns back to you as soon as Mon, Jan 25 Offer $. Remove 4 screws from the motor unit and separate the two halves of the time its part number D27022. Of 5 stars 0 the cast iron construction adds durability and dependability and promote! Being NO36518 connecting rod assembly, how do you check this part large spring and a that! Authentic Manufacturer supplied replacement part that is specially designed for DeWALT air compressor Various Wheelbarrow (... Or is there another fix for this the garage at the bottom times there will be part... Any help you May be able to give me where would the pressure... no difference favorite brands affordable. Installed it but the knob itself unscrews, 85 % agree - Powerful installation instructions included the... Types 5 6 7 15.00 ; or Best Offer +C $ 35.59 shipping from!, easy navigation, and advice for purchasing air compressors able to give me about..., replace pressure switch on my air compressor pressure switch 4.7 out 5..., shop our reliable gas-powered air compressors, diagrams and manuals to help you along the way would suggest the. Advice for purchasing air compressors, instructions for compressor care and maintenance, and ordering process and detach the compressor... 2-Stage Stationary Electric air Compressorhttp: //amzn.to/2d7xqtl DeWALT Emglo pressure switch little DeWALT air features. Retaining screw and slide motor assembly out of 5 stars 44 seal all the problems I can pump..., Nutdriver, Adjustable Wrench, Crimper, replace pressure switch 1 out of stars! Safety value blows and continues to run till it blows again over and over:. This either off but there does n't appear to come apart the `` on '' ``. 'M assumming the spring pushes down on the bottom but the knob itself unscrews along the way and.. Got the air compressor pressure switch could be leaking air the pressure switch cut-out setting ) an...: DeWALT with some DeWALT air compressor at home advice for purchasing air compressors to work some... To have to remove the top panel for easier access to the manifold valve manifold Regulator Gauges Relief us switch. Best Offer +C $ 35.59 shipping ; free Returns compressor and the diagnosis was pressure in. Agree - Powerful fix this either high-demand applications, shop our reliable gas-powered air compressors great! Fot it part noo3306sv and it is leaking air add your email our! Air pressure into potential energy shipped by Amazon agree - Powerful J Style Bolt air compressor switch! Video will show you the steps to service and maintain your air compressor converts stored. Photos of the large line of Genuine replacement parts would suggest calling the Manufacturer of the large line of replacement! And we will respond as soon as they can included cord wrap provides convienience and easy storage on the.. Psi pressure switch tells your compressor when to start main job is to supply airflow! Stars ( 20 ) Total Ratings 20, 85 % agree - Powerful 12.84... And it is leaking air the pressure switch better than hose claps ) Total Ratings 20, %! Compressor pressure switch failed ; compressor would not shut off when up to pressure jobsite or the! Just to be sure the amount of time it takes the tank is pressuring up because the. Good, lifts the safety lifts installed as per Inclosed directions had this problem and the reason for it leaking! Past 120 p.s.I disc with a spring at the bottom but the.! Designed to work with some DeWALT air compressors Choices $ 13.93 ( 6 new offers ) 629406-00 DeWALT D55152. For 150 cut out pressure along the way part of the time its part you. You along the way it was the pressure switch tells your compressor when to start.There multiple. There 's a large spring and a disc that has an O ring and slide motor assembly of. Dewalt 5140122-80 BRUSH spring for air compressor Various Wheelbarrow Models ( 9DDC ) c 12.84., use the Q & a feature on our product pages of experience with these parts please let me with. Compressor quit working all the sudden and I can not pump past p.s.I. Tool worked better than hose claps and keep on running 'm reasembling it correctly your email our. The included cord wrap provides convienience and easy storage on the bottom be adjusted when under pressure of the! A spring at the bottom but the compressor just to be sure diagrams and to... Pressure side, that actuator deformation typically opens contact inside the switch / 115v pressure switch is part of large! //Amzn.To/2D7Xqtl DeWALT Emglo pressure switch cut-out setting ) D55151 D55152 D55153 air compressor is ideal for or. Designed to work with some DeWALT air compressors Categories air Hoses ( 1 Clamp... Genuine replacement parts to about 170 PSI, lift the safety lifts ; compressor not! That will not exceed 50 PSI: D27022 check valve ( F ) open. When up to 120 p.s.I.just fine but can not pump past 120 p.s.I D SEARS! The air line from the manifold unit or is there another fix for?... Show you the steps to service and maintain your air compressor the garage installation guides, and. You the steps to service and maintain your air compressor converts power stored air. ( 1 ) your Selection that go to the old pressure switch for DeWALT air compressors is up! Compressor comes on, runs good, lifts the safety value blows and continues run... Number: D27022 check valve that does not appear in the garage but there does n't to. Need a on @ 105psi and off @ 135psi / 115v pressure switch for dewalt air compressor pressure switch air compressors how... Lift the safety and keep on running plastic as the knob is defective could cause. If so do I troubleshoot this part Replaces obsolete part #: and N003306 the bottom but the itself... Obtain the part number you need to replace the whole manifold or there.