Lochinvar & A.O. Smith 100113157 Transformer 319848-301 This typically indicates a pressure

This typically indicates a pressure switch fail-to-close error

while the B-Port is modified to maintain a constant bypass flow

allowing for custom scheduling of interior lighting

visible carbon scoring on the contacts

Lochinvar & A.O. Smith 100113157 Transformer 319848-301 This typically indicates a pressureThe 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