the SPDT relay and direct acting logic allow it to be configured for high-level detection by utilizing the opposite contact state in conjunction with your probe placement

eliminating the need for field modifications during water heater burner replacement

This HVAC replacement pilot burner supports both thermocouple and thermopile configurations

including 0(2)-10Vdc proportional

Lochinvar & A.O. Smith 100170634 Valve 321894-709 the SPDT relay and directThe Lochinvar & A. O. Smith 100170634 Valve is a critical OEM natural gas valve designed for high recovery commercial and residential water heaters and boilers. Engineered for precision gas flow regulation, this replacement gas valve (frequently associated with Honeywell configurations like the WV8840 or VR8300 series frames) ensures optimal manifold pressure and combustion stability. As a veteran grade HVAC replacement part, it is built to handle the