Debris Protection: Features internal inlet and outlet screens to prevent contaminants from fouling the internal valve seat

Replacement is typically necessary when there is a total failure to open

Key Benefits: OEM Compatibility: Specifically engineered for York and Coleman HVAC equipment

Proper boiler temperature control is critical for maintaining peak efficiency and preventing excessive thermal stress on the pressure vessel

this valve requires a 24V transformer and is not compatible with standing pilot millivolt controllers

Lochinvar & A.O. Smith 100113157 Transformer 321894-708 Debris Protection: Features internal inletThe Lochinvar & A. O. Smith 100113157 Transformer is a critical OEM replacement part designed for high performance commercial water heaters and boilers. This 30VA step down transformer effectively manages voltage conversion, taking a 120 240V primary input and delivering a stable 24V secondary output to power ignition modules, gas valves, and integrated control boards. Built to meet rigorous HVACR technical specifications, this component ensures the