Air compressor pressure switch repair Our site is easy to shop and we have online schematics, tech docs, and how-to videos available. Jun 13, 2025 · An air compressor may fail to start due to electrical problems, low oil, insufficient air pressure or motor issues. The pressure switch is one of the most important safety and control devices in your air compressor; if it fails, your system can’t run properly. Can I fix an air compressor that won’t start on my own? This short video shows how to install an unloader (or bleeder) valve on a pressure switch (air compressor). Contact the air compressor manufacturer to buy a new assembly. It may require additional parts and/or adjustments to fit your unit. Feb 28, 2025 · In this video, I demonstrate the process of replacing a defective Pressure Switch on an Air Compressor. NOTE: This kit does not take the place of the actual part but it does provide a "work around" to keep the unit running. This article will serve as a guide to repairing an air compressor pressure switch, which seems to be a common issue amongst air compressor users. If there is additional advice that you know would help Apr 7, 2025 · The pressure switch is a small but critical component that handles the turning on and off of the compressor motor based on the air pressure within the tank. After that, you’re ready to replace Apr 21, 2021 · Here’s a step-by-step on how to replace the pressure switch on your air compressor. I did some investigating, and determined the pressure sw Sep 21, 2023 · A pressure switch is an essential component of an air compressor as it controls the pressure levels and regulates the operation of the compressor. EntireAirCompressor - we review air compressor Apr 19, 2023 · Find free air compressor troubleshooting advice and repair help at Sears PartsDirect. Cheap Fix for an Air Compressor That Won't Build Pressure I have also taught you here how to deal with compressor pressure switch adjustment by using only a screwdriver and no need for an air expensive compressor repair. In this guide, you’ll learn how pressure switches (and related valves) function, the most Jul 31, 2023 · Air compressors provide power and force to nail guns, paint sprayers, and impact wrenches. Jan 30, 2024 · How do you know if your pressure switch is bad? Check out these six signs to determine if your air compressor pressure switch needs to be replaced. Pressure switches are Replacing the Pressure Switch can help solve the following issues you may be having with your Air Compressor: 1. Find a Air Compressor Pressure Switch replacement at Repair Clinic with same-day shipping, 365-day returns, and a price match guarantee. This tube connects to the pressure switch and releases the air there. I your air compressor is leaking by the pressure switch, there's a good chance your issue is the check valve. In this video, I show how I replaced a defective Pressure Switch on my Air Compressor. Need something else? See our replacement electric motors and compressor pumps. Nov 11, 2025 · Air compressor pressure switch. Pressure Switch leaking air? Usually this is caused by a faulty Unloader (aka Bleeder) Valve on your pressure switch. Air compressors are essential tools in various industries, powering everything from pneumatic tools to HVAC systems. The pressure switch is designed to activate the compressor motor at a pre-set pressure, and to de-activate the motor once that pressure has been reached. Here is a quick video of how I replaced my broken pressure switch on my Dewalt D55146 Air Compressor. . Sep 21, 2023 · Are you experiencing issues with your air compressor’s pressure switch? Maybe it’s failing to turn on or off, or the pressure gauge isn’t aligning with the set pressure. Find replacement switches for compressors, including OEM, universal, and adjustable options. Over time, wear and tear can lead to performance issues, making timely repairs crucial. Nov 11, 2025 · For air compressor units that cut on at 100 PSI and cut off at 125 PSI settings. Remember to always unplug the compressor before performing any repairs, and take safety precautions to avoid injury. The step-by-step repair guide and video explain how to replace an air compressor pressure switch in less than 45 minutes. I've had this compressor in operation for about 8 months. Need help replacing the Pressure Switch (Part n003307sv) in your Porter Cable Air Compressor? Watch this how to video with simple, step-by-step instructions This video will walk you through the process of how pressure switches work, how to fix a pressure switch, and how to modify the pressure range on your pressure switch. If you’re wondering how to change a pressure switch on an air compressor, then you’ve come to the right place! Nov 11, 2025 · Air compressor pressure switch kit includes the pressure switch with unloader valve, safety relief valve, pressure gauge, 1/4" x 1/4" pipe nipple, and pipe plug. Then, search the web for a replacement part. An overfilled tank can prevent the compressor from starting. Do you need a replacement Pressure Switch for your Air Compressor? eReplacementParts. Understanding how to identify Air Compressor Pressure Switch Repair (Campbell Hausefeld) Paisteboy 18. 180/225 PSI (cut-in and cut-out PSI). Our site is easy to shop with online schematics, tech docs, and how-to videos. This video goes over a few main reasons why your air compressor pressure switch or unloader is leaking while the compressor is running, or when it shuts off. Jun 17, 2024 · By following the steps outlined in this guide, you can successfully troubleshoot and repair your Craftsman air compressor pressure switch. After prolonged use, several issues may arise with the air compressor, such as low air pressure Nov 11, 2025 · Air compressor pressure switch, 125/155 PSI. When I received this I was told that the unit Sep 22, 2023 · To troubleshoot an air compressor that won’t start, check the power source, pressure switch, motor, and capacitor. 3 days ago · A complete technical guide to troubleshooting, safely replacing, and accurately calibrating an air compressor pressure switch. Master Tool Repair is your ultimate source for air compressor parts. Since a direct replacement was unavailable, I opted for an upgraded model, which required re-routing. It ensures that the air pressure released from the compressor remains constant and does not exceed the limitations of the tools or equipment being used. Pressure Switch Damaged or Corroded 2. Having trouble with your air compressor? In this video, I cover common pressure switch problems, including: -Leaking issues -Start/stop problems -Worn or stuck contacts -Other signs your pressure Sep 12, 2024 · Pressure Switch Issues The pressure switch controls the compressor’s start and stop functions. The Oil-Filled Air Compressor is a versatile machine that plays a vital role in many workshop tasks. This video shows how it can easily be replaced with an aftermarket switch At Compressor Source, we carry OEM and aftermarket air compressor parts for virtually every type of compressor. Don’t worry, though; repairing an air compressor pressure After that I take the pressure control switch apart, repair it and then replace it back on the air compressor. Use a multimeter to test the Jun 1, 2021 · Many companies opt for repairs over replacements of air compressor systems due to cost fears, which can be a mistake. No issues until it decided to not kick on. Air will usually leak from the unloader valve, or it will leak from the check valve. Jul 23, 2023 · An air compressor regulator is a device that helps control the air pressure coming out of the compressor. Diagnosing and repairing a Central Pneumatic 3 gallon 1/3 HP 100 PSI oil-free pancake air compressor from Harbor Freight (part # 60637, 61615, 95275). Drain the tank if needed. Replace this part if it is leaking WHILE the unit is running. If your air compressor won’t start, the pressure switch might be faulty. Learn how to replace an air compressor pressure switch. Dec 30, 2018 · Here’s one about putting a pressure switch back together. This A15332 Pressure Switch is a genuine replacement part for air compressors and is available now from Repair Clinic. This video also explains how to Apr 20, 2023 · Learn how to get the most from your air compressor with these articles and how-to videos from Sears PartsDirect. From maintaining your air compressor to choosing the right compressor for your needs, we can help. Get DIY repair guides, how-to videos, symptoms and solutions, parts and more to fix your air compressor. This tutorial will show you how to replace the pressure switch on an air compressor. First, check the power connection and ensure the switch is on. I replaced the cracked pressure switch on my 50-liter silent, oil-free air compressor with a new one, and while doing so, I also installed other components l Nov 16, 2024 · Air compressor repair involves diagnosing issues and replacing faulty parts to restore functionality. The pressure switch has two primary functions: Oct 20, 2022 · From identifying the source of an air leak to replacing a pressure switch, this article covers many different maintenance needs that you should understand to keep your equipment operating at its best. If this leaks We're back again with my 21 gallon Harbor Freight air compressor to once again attempt to repair it. Whatever the issue may be, it’s crucial to repair your pressure switch promptly to prevent further damage and ensure that your compressor runs smoothly. It decides when your motor starts and stops, keeps pressure in a safe, efficient window, and helps prevent costly over-pressurization events. Since a direct replacement wasn't available, I used an "upgraded" mode If your air compressor won’t shut off after reaching full cut-out pressure or won’t start again after tank pressure drops, the pressure switch might be the problem. Nov 11, 2025 · Pressure kit for Speedaire / Campbell Hausfeld units that cut on and off at 80/100 PSI settings. Here’s a guide to help you decide when to repair or replace! 3 days ago · Master Tool Repair Technical Video on how to adjust a pressure switch. My visitor writes… Problems putting a compressor pressure switch back together? It isn’t easy, but possible. Sep 27, 2023 · An air compressor pressure switch is a device that automatically controls the pressure levels in an air compressor. Check the pressure switch for visible signs of wear or damage. Common symptoms of a faulty pressure switch include a motor that continues to run (regardless of pressure) until the safety valve opens, or a compressor that simply will not turn on at all. This video from Sears PartsDirect shows how to replace a broken pressure switch in an air compressor. Regular maintenance can prevent many common problems. Learn signs your air compressor pressure switch is failing. Or, remove the cover from the switch (unplug the compressor first) and locate the pressure switch part number. This video explains the different styles and types of Pressure Switches available, what to look for when replacing and what specs you need to know. Discover how to fix an air compressor pressure switch with step-by-step guidance and tips for troubleshooting common issues. Click bel Shop air compressor pressure switches at Master Tool Repair. Apr 20, 2023 · These step-by-step repair guides and DIY videos show how to replace common air compressor parts such as the check valve and pressure switch. Our site is easy to shop with live customer service, online schematics, and how-to docs and videos. Master Tool Repair offers technical expertise and live customer service and support to help you find the right part to fix your air compressor. For more DIY advice, check out our air compressor repair help section for troubleshooting guidance and step-by-step repair instructions. Specific steps may vary by make and model, but this is a starting point procedure for removing and reinstalling any air compressor pressure switch. From filters to magnetic starters and check valves - we've got you covered. Find the part you need and repair your air compressor today! Oct 10, 2023 · You trusty air compressor isn’t powering your pneumatic tools as well as it used to. com has thousands of replacement parts for a variety of Power Tools, Outdoor Power Equipment, and Appliances My Craftsman 26 gallon air compressor started leaking air at the pressure switch. First, ensure the compressor tank is empty. The pressure switch turns the air compressor pump on and off to regulate tank air pressure. Nov 11, 2025 · Air compressor pressure switch replacement, 105/135 PSI, 4-port, 90° quick-connect unloader valve. And Sears PartsDirect has more air compressor repair help for you, including troubleshooting advice and maintenance tips for brands such as Craftsman, Devilbiss, Ingersoll Rand and Campbell Hausfeld. THE COMPRESSOR TURNS ON AND WORKS, BUT DOESN'T GO OVER 60 PSI LET'S SEE HOW TO REPAIR IT. I'm going to explain to you why this leak happens and exactly how to fix it. Need help replacing the Pressure Switch (Part # 412024-E) in your Makita Air Compressor? Watch this how-to video with simple, step-by-step instructions for a Want to know which Air Compressor Pressure Switch is best fits to your air compressor, more about models or how to replace it? Get more info here. 1 Port. Jul 15, 2024 · The air compressor unloader valve is usually built into the pressure switch assembly, though it’s sometimes found on top of the switch. temporary easy fix. It works by monitoring the pressure level inside the compressor tank and switching the compressor on and off at specific pressure points. Simple, step-by-step repair tutorials to help you fix your powered equipment like an expert technician. 4K subscribers Subscribe Here's the basic explanation and example of how to replace and wire in a new pressure switch on an air compressor. Includes the pressure switch, air regulator with pipe nipple, regulator pressure gauge, tank pressure gauge, safety relief valve, and unloader tube. Get your air compressor back up and running with DIY instructions and OEM replacement parts. Are you experiencing issues with your air compressor’s pressure switch? Maybe it’s failing to turn on or off, or the pressure gauge isn’t aligning with the set pressure. Looks like yet another pressure switch failed and needs to be replaced. Small Air Compressor Pressure Switch,Rubber Diaphragm emergency Repair using bicycle inner tube. Oct 1, 2025 · When the compressor turns off, the check valve stops the air from coming out of the tank and bleeds the pressure in the discharge line through a small tube. I hope this is easier than watching a 20 m Master Tool Repair has replacement parts for over 2000 models of air compressors, including regulators, pressure switches, gauges, belts, air filters, motors, pulleys, throttle control valves, pilot valves, unloader valves, air tanks, repair kits, oil, pumps, and more. lkv lgos bsz uewqkmubu qnup jea ildh bitsdb cemvj tcjpd bctlxw tdtm unaaqu rtqarp cgvnc