this thermal expansion valve is rated for R-410A as well as R-22 and R-407C

this assembly is engineered to maintain high thermal efficiency in FVIR (Flammable Vapor Ignition Resistant) water heaters and boilers

The Maxitrol R600-1 is a commercial-grade gas appliance regulator designed for high-capacity applications requiring precise pressure control

this compact damper actuator utilizes a 2 to 10 VDC or 4 to 20 mA proportional control signal to provide accurate positioning and consistent torque performance

making it essential for proving airflow in commercial HVAC and food service equipment

Lochinvar & A.O. Smith 100288444 Sensor Board Freon this thermal expansion valve isThe Lochinvar 100288444 Sensor Board is a critical OEM electronic component designed for precise monitoring and signal processing within high efficiency commercial boilers and water heaters. As a direct successor to the 100167583, this replacement sensor board ensures seamless integration with the main control module to maintain accurate thermal regulation and safety parameters. Engineered for Lochinvar Knight and A. O. Smith water heater systems, it