this valve is an ASME Section IV liquid-service valve designed specifically for hot water heating boilers and hydronic systems

Field Adjustable: Features a screwdriver-adjustable set point within the 100-425 PSIG range for precise fine-tuning based on specific system requirements

making it a reliable drop-in replacement for 780-736 (SP735P) and diverse competitor models

while the low-pressure side monitors between 1-6" W

Common Questions What are the signs of a failing limit switch

Emerson Alco 056421 Power Assembly Els PW 17895 this valve is an ASMEThe Emerson Alco 056421 (Model XC 726HC2B) is a field proven thermostatic expansion valve power assembly designed for high capacity R22 refrigerant systems. This stainless steel replacement head is compatible with Alco T Series take apart valves, including TER, TIR, THR, and TMR bodies, making it a staple for large scale air conditioning and heat pump maintenance. Featuring a 10 foot capillary tube and a 1 4" SAE flare equalizer, this assembly