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250% Torque Increase (No Capacitor)
Designed for use with most return filter grilles
Flame Failure Response Time (FFRT): 3 seconds
Temperature rating up to five hundred thirty degrees Fahrenheit
Caleffi ZSR101 1 Zone Expandable Switching Relay with Priority voomi_id_38377 250% Torque Increase (No Capacitor)Product Description The Caleffi ZSR101 is a compact and robust zone pump relay designed for single zone control within hydronic heating and cooling systems. This highly efficient device is ideal for managing the operation of zone pumps, ensuring optimal performance and energy efficiency. Designed for easy installation with large screw terminals and LED indicators for system troubleshooting. Features compatibility with 2, 3, and 4 wire thermostats or
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