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Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 zones (model dependent). System circulator pump and secondary pump is turned on whenever any zone calls for heat. Install the ZVR relay together with our Z-one™ valves and qualify for an industry exclusive five year warranty. LED indicators provide functional status and easy system troubleshooting. ZVR series is a perfect match with Caleffi Z-one™ motorized zone valves.
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🇺🇸 Ship from USA · On Agora since 2025
$205.26