Resideo HPSR104 Switching Relay 323055-751 Rugged Cast Iron Build: Engineered

Rugged Cast Iron Build: Engineered to withstand harsh environments

Durable Construction: Built to withstand commercial and residential thermal cycling within Carrier-family furnaces

Helps provide additional starting torque

What are the signs that my Nordyne TXV valve is failing

Resideo HPSR104 Switching Relay 323055-751 Rugged Cast Iron Build: EngineeredThe Resideo HPSR104 is a robust four zone switching relay designed for professional hydronic applications. This 120V pump zoning panel provides precise control for up to four circulator pumps, integrating a dedicated priority zone for domestic hot water (DHW) calls. Engineered for versatility, it is fully compatible with most thermostats, including power stealing, electromechanical, and modern smart thermostats like the T6 Pro. Each thermostat