!: Catalog SR501 Pump/Zone Valves Switching Relay, 1 Zone, Hot Water Systems Shop for
Taco SR501 Pump/Zone Valves Switching Relay, 1 Zone, Hot Water Systems Taco SR501 Pump/Zone Valves Single Zone Switching Relay Activates a single zone hot water hydronic heating system. The single zone switching relay should be standard equipment for every installer. No matter what type of job, our single zone switching relay replaces every brand made by every manufacturer, and will even fit into the existing metal enclosure without rewiring incoming connections. The single zone switching relay is UL and CSA listed, uses a standard "ice cube" replaceable relay and is compatible with conventional and programmable thermostats. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. Special SR501-845RP contractor multi-packs also available. Make the switch! The Taco SR501 Single Zone Switching Relay's layout makes short work of any job .
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