This is an authentic OEM supplied replacement item. It is made for use with air compressors. The pressure switch is designed to control when the compressor should start or stop building up pressure. A common reason to replace a pressure switch is if the compressor is not turning on or off at the user specified pressure. This 120V single pole pressure switch is sold individually. Replacing this pressure switch is relatively easy task. You will need a set of wrenches, nut driver set and a thread-sealing tape. • First make sure to unplug air compressor • Drain the air tank • Remove the tank pressure gauge • Disconnect the pressure switch tube • Remove the pressure regulator assembly • Disconnect the wires • Remove the safety valve • Remove the old pressure switch • Install the new one • Reassemble in reverse order • Test the air compressor
Troubleshooting
This part works with the following brands:
Porter Cable
DeVilbiss
Black and Decker
This part works with the following products:
Compressor
Part# 5140118-56 replaces these:
5140118-56, P5140118-56,
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Customer Part Reviews
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5.0
Average Rating (out of 5):
★★★★★
★★★★★
(7 Reviews)
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★★★★★
★★★★★
Exactly what I needed to repair my compressor
everything arrived in good shape and was right parts
Guest - April 14, 2020
Verified Purchase
★★★★★
★★★★★
Exact replacemnt
Exact replacement and very easy to install
Guest - August 18, 2021
Verified Purchase
★★★★★
★★★★★
Regulator works great.Easy to install
Guest - November 2, 2021
Verified Purchase
★★★★★
★★★★★
Worked perfectly
Not only is it easy to find the right replacement part, it arrives well packaged, in a timely manner and it worked great. It was a direct replacement. I have ordered parts here before for other items with same great results. Thanks
Kevin - December 17, 2021
Verified Purchase
★★★★★
★★★★★
Always the right part
I’ve ordered many parts from E-replacement and always on time.
Steven - January 25, 2022
Verified Purchase
★★★★★
★★★★★
Works as expected
Pretty easy to install and compressor now works like new
Guest - February 22, 2022
Verified Purchase
★★★★★
★★★★★
exactly what I needed
20 year old Porter Cable compressor switch failed. After several attempts at finding a replacement part, ereplacement parts had exactly what I needed. OEM part, that was reasonably priced and shipped immediately.
Thanks
Guest - August 19, 2023
Verified Purchase
Questions & Answers
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Remove any existing parts that do not come with the new pressure switch. Remove cover of switch and disconnect wires from switch. It is good to make a wiring diagram. Remove pressure switch, then install new one. Attach the wires on the correct terminals. Replace the parts that were removed from the old switch.
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The compressor after after running to build up pressure flipped the breaker
I photographed the old pressure switch showing the various air lines and electrical connections. I removed the old pressure switch. I installed the new pressure switch and it worked first time. Reasonably simple. Most time consuming piece was use of teflon tape on air lines connections. The replacement part was an exact match.
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The old pressure switch was leaking and it would make the pressure needed to shut off
Compressor
- A 4.0Hp 12G Hp Pl 1Stg 12 Air Compressor
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Stock Status
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
