Resideo HPSR103 Switching Relay 321894-708 Corrosion-resistant construction designed for commercial

Corrosion-resistant construction designed for commercial rooftop environments

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Resideo HPSR103 Switching Relay 321894-708 Corrosion-resistant construction designed for commercialThe Resideo HPSR103 is a three zone switching relay designed for high performance control of hydronic heating systems. This heavy duty relay allows for the seamless integration of three thermostats and three circulator pumps, along with a dedicated output for a boiler controller. Engineered for maximum field reliability, the HPSR103 features diagnostic LED indicators that simplify troubleshooting by providing clear status updates for each zone and the