Description Feature: 1. PRESSURE LIMITING AND ALARMING: Suitable for pressure control, pressure limiting and alarming of non corrosive liquids, gases and steam 2. VIEW PRESSURE CONTROL POINT: Single pole double throw pressure switch, the shell has a plastic cover to view the pressure control point 3. CONTROL ON OFF ACTION: Control ON OFF action of the external circuit by detecting changes in pressure, changing the state of the internal switch 4. CONTROL BOILER AND WATER TOWER: Used to control boiler and water tower pressure regulation system, can detect pressure changes 5. NPT1/418 THREAD: The pressure diaphragm of the standard model is stainless steel, the pressure joint is made of brass, and the thread is NPT1/418 Specification: Item Type: Pressure Controller Model: LF56 Maximum Ambient Temperature: 66 Maximum Load: 15A 250VAC Maximum Diaphragm Pressure: 225psi Pressure Range: 10-150psi / 70-1000kPa Pressure Difference Range: 10-22psi / 80-160kPa Interface Thread: NPT1/4-18 Contact Type: SPDT Contact Method: Single pole double throw Diaphragm: Stainless steel Interface: Brass Working Medium: Non corrosive medium such as air, water, oil, liquid, etc., chlorine containing liquid is not available Ambient Temperature: Work normally within the range of -29~66 Medium Temperature: -40~180 without freezing. Package List: 1 x Pressure Controller1 x User Manual Note: 1. Standard model for non corrosive media such as petroleum, water, air, liquids, etc., chlorine liquid cannot be used.2. Allowable ambient temperature is 2966.