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Caleffi Zone Pump Relay (ZSR103) The Caleffi ZSR103 Zone Pump Relay provides precise control and sequencing for up to three zones in hydronic heating and cooling systems
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05 lbs **Applications:** * Riello Burners F3 to F15 oil burners * Industrial and commercial heating systems * Oil-fired boilers and furnaces Shop Our trusted HVAC store today for your plug kit and all your oil burner parts needs
From ductwork testing to filter monitoring
This valve features a Class 150 ISO pressure rating
S1-324-36074-272 | 3/4HP Programmed ECM Motor | York Width_4/9IN Caleffi Zone Pump Relay (ZSR103)3 4HP York S1 324 36074 272 Programmed ECM Motor: York's S1 324 36074 272 3 4HP Programmed ECM Motor is engineered for exceptional energy efficiency and reliable performance. Its advanced ECM technology ensures precise speed control and reduced energy consumption compared to traditional motors. The programmed functionality allows for customization of operating parameters, enabling optimal performance for specific applications. Constructed with durable
