--- product_id: 12974396 title: "Quality Air Compressor Pressure Switch Control 95-125 PSI 4 Port w/Unloader LF10-4H-1-NPT1/4-95-125" brand: "lefoo" price: "10.99 OMR" currency: OMR in_stock: true category: "Lefoo" url: https://www.desertcart.com.om/products/12974396-quality-air-compressor-pressure-switch-control-95-125-psi-4 store_origin: OM region: Oman --- # Built-in unloader valve for smooth startup 4 versatile 1/4" female NPT ports 95-125 PSI precision control Quality Air Compressor Pressure Switch Control 95-125 PSI 4 Port w/Unloader LF10-4H-1-NPT1/4-95-125 **Brand:** lefoo **Price:** 10.99 OMR **Availability:** ✅ In Stock ## Summary > ⚡ Power your air compressor like a pro with precision and versatility! ## Quick Answers - **What is this?** Quality Air Compressor Pressure Switch Control 95-125 PSI 4 Port w/Unloader LF10-4H-1-NPT1/4-95-125 by lefoo - **How much does it cost?** 10.99 OMR with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/12974396-quality-air-compressor-pressure-switch-control-95-125-psi-4) ## Best For - lefoo enthusiasts ## Why This Product - Trusted lefoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Build Quality:** Durable metal and plastic construction designed for reliable, long-term use in demanding environments - • **Multi-Port Flexibility:** Four 1/4" female NPT ports for gauges, relief valves, and extra outlets—customize your setup effortlessly - • **Smooth Compressor Start:** Integrated 1/4" compression unloader valve reduces startup strain and extends equipment life - • **Precision Pressure Control:** Maintain optimal 95-125 PSI for peak compressor performance - • **Plug-and-Play Compatibility:** Fits standard electric compressors with 120V power source and 0.25" hose diameter for easy installation ## Overview The Lefoo LF10-4H-1-NPT1/4-95-125 is a high-performance air compressor pressure switch designed for electric compressors, offering precise pressure control between 95-125 PSI with a max pressure of 150 PSI. Featuring four 1/4" female NPT ports and a built-in unloader valve, it ensures smooth startups and flexible connectivity for gauges, relief valves, or additional outlets. Its durable metal and plastic construction and easy installation make it a top choice for professionals seeking reliable compressor control. ## Description Brand new 95-125 PSI air compressor pressure switch or known as a pressure control valve. This switch has four ports on the bottom, one for air inlet hook up and the other three ports are usually used for a relief valve, gauges, or extra air outlets. These four ports are all 1/4" female NPT. This switch is also equipped with a on and off lever and a unloader valve on the side, which is 1/4" compression, if the unloader is not needed it does not need to be hooked up. ## Features - NEW LEFOO 95-125 PSI AIR COMPRESSOR PRESSURE SWITCH FOR ELECTRIC COMPRESSORS - MAX PRESSURE: 150 PSI MIN ON: 35 PSI, DIFFERENTIAL: 30-40 PSI - ¼" COMPRESSION UNLOADER VALVE CONNECTION - ¼" FEMALE NPT TANK CONNECTION WITH 3 EXTRA 1/4" FEMALE NTP PORTS. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00QHZPUKC | | Best Sellers Rank | #171,344 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #115 in Air Compressor Replacement Parts | | Brand Name | LEFOO | | Color | Black | | Compatible Hose Diameter | 0.25 Inches | | Customer Reviews | 4.5 4.5 out of 5 stars (3,329) | | Included Components | 1 Pressure Switch | | Item Dimensions L x W x H | 3.94"L x 3.54"W x 3.94"H | | Item Weight | 13.6 ounces | | Manufacturer | lefoo | | Manufacturer Part Number | LF10-4H-1-NPT1/4-95-125 | | Material Type | Metal, Plastic | | Maximum Pressure | 150 Pound per Square Inch | | Model Name | LF10-4H-1-NPT1/4-95-125 | | Model Number | LF10-4H-1-NPT1/4-95-125 | | Power Source | Electric | | Style | Electric Compressor Pressure Switch With 4 Ports And Unloader Valve | | UPC | 703570490515 700425107048 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | ## Product Details - **Brand:** LEFOO - **Included Components:** 1 Pressure Switch - **Item Weight:** 13.6 ounces - **Power Source:** Electric - **Voltage:** 120 Volts ## Images ![Quality Air Compressor Pressure Switch Control 95-125 PSI 4 Port w/Unloader LF10-4H-1-NPT1/4-95-125 - Image 1](https://m.media-amazon.com/images/I/51VjZcrk4nL.jpg) ## Questions & Answers **Q: Will this unit work with a Campbell Hausfeld Model WL600701** A: Jim - The universal pressure switch will work on any compressor whose tank has a two wire motor connection, male 1/4 pipe thread tank fitting, and unloader connection to the compressor. It starts the compressor at around 90 psi. and shuts off at about 125 - 130 psi. Hope this helps. :) **Q: can it run on 240 volts?** A: Hopefully I can help clear up the confusion on 120 vs 240 volts here. This pressure switch is a purely mechanical device, and should work just fine for 120 or 240 volt, like almost any other electric air compressor pressure switch. For 120 volt operation, you will wire line and neutral from the cord/breaker box/power source to the two terminals, and the load terminals will go to your motor. For 240 volt operation, you will instead wire L1 and L2 (two hot leads from a double pole breaker in a standard US 120/240 volt split phase panel) to the two line terminals on the pressure switch, and the two load terminals will be wired to your motor, OR to your magnetic motor starter in the case your motor is very large and/or not thermally protected. In response to the other individual who brought up amp draw, be aware that using 240 volt to power a motor that can be used at 120 or 240 volts will actually use *half* the amperage that would be otherwise be required at 120, and is one of the primary reasons for using 240 volts to power demanding appliances like air compressors. For example a 2 HP air compressor will take about 15 amps at 120 volts, or 7.5 amps at 240 volts. This means you can use higher gauge (smaller/thinner) cables, which costs less and ensures less of a voltage drop at the load. **Note that you will need to change the wiring of the motor if you are attempting to convert a 120 volt air compressor to 240 volt, and that not all motors are designed for this. The motor itself should have a low voltage and high voltage wiring diagram on the label of the motor (or in the instructions) which tells you how to wire the motor for either 120 or 240 volts, in this case** In conclusion, yes, any purely mechanical double-pole contactor or pressure switch can probably be used for either 120 or 240 volt, *assuming the connected load is designed for the voltage you are using*. An example of a switch NOT designed for 240 volts in the US/on a split phase system, is a one-pole switch or contactor, think of a typical light switch. This is because in the US, each hot lead has a voltage differential of 120 volts to ground, or 240 volts line to line. Therefore you must disconnect both hot leads from the load to truly isolate power from any given load. **Q: will this switch work on a central pneumatic 21 gal. 2 1/2 hp compressor from harbor freight?** A: As long as your unloaded line is facing the same direction and your compressor is rated for the same psi, it should work. I am assuming that your compressor is 110v and single phase for home use. It worked great on a 30 gallon compressor I have. Still waiting to fix my 60 gallon one. **Q: No wiring diagram. Can someone tell me which screw heads the "hot"/black wires go to? Thanks.** A: it says motor and wire on the switch body ## Frequently Bought Together - Lefoo Quality Air Compressor Pressure Switch Control 95-125 PSI 4 Port w/Unloader LF10-4H-1-NPT1/4-95-125 - Performance Tool W10055 0-200 PSI Air Gauge for Air Tank Accessory - Control Devices-ST25-1A ST Series Brass ASME Safety Valve, 125 psi Set Pressure, 1/4" Male NPT --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.om/products/12974396-quality-air-compressor-pressure-switch-control-95-125-psi-4](https://www.desertcart.com.om/products/12974396-quality-air-compressor-pressure-switch-control-95-125-psi-4) --- *Product available on Desertcart Oman* *Store origin: OM* *Last updated: 2026-07-11*