Resideo R8239B1076 Control R-407C Smith 100167733 Relay is a

Smith 100167733 Relay is a specialized 24V HVAC control relay engineered for high-reliability switching in commercial and residential hydronic systems

The discharge piping must be at least 1 1/2" to match the valve outlet

leak-free shutoff

the package includes the regulator spring and hardware required for LP gas conversion

The Schneider Electric (Barber Colman) 2354-504 Relay is a rugged

Resideo R8239B1076 Control R-407C Smith 100167733 Relay is aThe Resideo R8239B1076 Control Center is a robust solution for managing line voltage system components in residential or light commercial HVAC systems. Designed for multi voltage operation (120 208 240 Vac), this unit integrates a 50VA transformer and a DPDT switching relay to consolidate wiring for blowers, electronic air cleaners, and humidifiers. It is specifically engineered for systems utilizing the F50 Electronic Air Cleaner, providing a