--- product_id: 141895934 title: "LF5510 Adjustable HVAC Pressure Control/Steam Boiler Pressure Switch/Single Refrigeration/Air Water Pump Compressor Pressure Switch 14.5psi~145psi" brand: "lefoo" price: "฿4041" currency: THB in_stock: true reviews_count: 8 category: "Lefoo" url: https://www.desertcart.co.th/products/141895934-lf5510-adjustable-hvac-pressure-control-steam-boiler-pressure-switch-single store_origin: TH region: Thailand --- # -10 to 120℃ media temp tolerance 7/16-20UNF threaded connection 14.5-145psi adjustable range LF5510 Adjustable HVAC Pressure Control/Steam Boiler Pressure Switch/Single Refrigeration/Air Water Pump Compressor Pressure Switch 14.5psi~145psi **Brand:** lefoo **Price:** ฿4041 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your system’s pressure game with LEFOO LF5510 – precision that professionals trust! ## Quick Answers - **What is this?** LF5510 Adjustable HVAC Pressure Control/Steam Boiler Pressure Switch/Single Refrigeration/Air Water Pump Compressor Pressure Switch 14.5psi~145psi by lefoo - **How much does it cost?** ฿4041 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/141895934-lf5510-adjustable-hvac-pressure-control-steam-boiler-pressure-switch-single) ## 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 - • **Easy Installation:** 7/16-20UNF male thread with L-shaped mounting bracket for quick, secure setup - • **High Electrical Ratings:** Supports 125VAC, 250VAC, and 24VDC for flexible integration in diverse systems - • **Robust Industrial Build:** Durable brass and copper materials ensure long-lasting reliability under tough conditions - • **Precision Pressure Control:** Adjustable 14.5 to 145 psi range for tailored HVAC and boiler performance - • **Versatile Media Compatibility:** Works seamlessly with refrigerant, air, water, and oil for multi-application use ## Overview The LEFOO LF5510 is a high-performance adjustable pressure switch designed for HVAC, steam boilers, refrigeration, and air/water compressors. Featuring a wide pressure range of 14.5 to 145 psi, durable brass and copper construction, and compatibility with multiple media types, it offers reliable, precise control. Its threaded connection and L-shaped bracket enable easy installation, while supporting multiple electrical ratings for versatile industrial applications. ## Description desertcart.com: LEFOO LF5510 Adjustable HVAC Pressure Control/Steam Boiler Pressure Switch/Single Refrigeration/Air Water Pump Compressor Pressure Switch 14.5psi~145psi : Industrial & Scientific Review: These pressure switches do not come with NPT connections. only flare. - Works very good for the price. Review: Very good. - Works find. ## Features - Model: LF5510. Pressure Range:14.5psi~145psi. Factory Setting: 87psi off, 73psi on. - Electrical Rating: 125VAC, 250VAC,24VDC. - Connection Type:7/16-20UNF male thread, with L-shaped mounting bracket. Contact Arrange: SPDT. - Media: Refrigerant, Air, Water, Oil .Media Temperature: -10-120℃. - The Pressure Switch suitable for refrigeration equipment,boiler equipment,air water compressor,Hvac equipment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Q6WBNCV | | Actuator Type | Plunger | | Best Sellers Rank | #243,334 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #413 in Pressure Switches | | Brand | LEFOO | | Brand Name | LEFOO | | Circuit Type | 2-way | | Connectivity Protocol | X-10 | | Connector Type | Threaded | | Contact Material | Metal | | Contact Type | Normally Open | | Control Method | Touch | | Customer Reviews | 4.1 out of 5 stars 65 Reviews | | International Protection Rating | 125 | | Item Dimensions | 3.29 x 3.43 x 1.73 inches | | Manufacturer | LEFOO Industrial Co.,Ltd | | Material Type | Brass, Copper | | Model | LF5510 | | Mounting Type | Panel Mount | | Number of Items | 1 | | Number of Positions | 1 | | Operating Voltage | 250 Volts | | Operation Mode | Off | | Switch Type | Pressure Switch, Temperature Switch | | Terminal | Spdt | | Unit Count | 1.0 Count | ## Product Details - **Brand:** LEFOO - **Circuit Type:** 2-way - **Connector Type:** Threaded - **Contact Type:** Normally Open - **Item dimensions L x W x H:** 3.29 x 3.43 x 1.73 inches - **Material:** Brass, Copper - **Operating Voltage:** 250 Volts - **Operation Mode:** Off - **Switch Type:** Pressure Switch, Temperature Switch - **Terminal:** Spdt ## Images ![LF5510 Adjustable HVAC Pressure Control/Steam Boiler Pressure Switch/Single Refrigeration/Air Water Pump Compressor Pressure Switch 14.5psi~145psi - Image 1](https://m.media-amazon.com/images/I/41QAv1wvxEL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: can the pressure differential be adjusted? Or Can the cut in and cut out differential be adjusted?** A: Yes, you can adjust the trip point and the differential. Just remove the lock plate and adjust according to the vertical scale on the face. Very easy and quite accurate in my experience. I am very happy with this switch. **Q: What is the current draw for use with 24VDC?** A: Does not draw any current, it does not need any power to work. The pressure will let it switch on or off. **Q: Amps the switch will handle.? (will it work directly with a compressor motor?)** A: I have it hooked up to my air bags on my pickup for load handling it runs that little compressor fine I know it will work on 12 volt or household current **Q: can it be used for autoclaves?** A: Not sure i used it for an air ride pressure switch on my pickup ## Customer Reviews ### ⭐⭐⭐⭐⭐ These pressure switches do not come with NPT connections. only flare. *by B***T on October 3, 2023* Works very good for the price. ### ⭐⭐⭐⭐⭐ Very good. *by A***R on September 26, 2023* Works find. ### ⭐⭐⭐⭐⭐ Works as it should *by T***T on March 20, 2021* I used this to turn a Reverse Osmosis boost pump on and off easy to install and set it's ben in service about 6 months with no issues I set it to come on at 15lbs and off at 45lbs --- ## 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.co.th/products/141895934-lf5510-adjustable-hvac-pressure-control-steam-boiler-pressure-switch-single](https://www.desertcart.co.th/products/141895934-lf5510-adjustable-hvac-pressure-control-steam-boiler-pressure-switch-single) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-28*