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The System Sensor ST-3 is a 3-foot metal sampling tube designed for HVAC duct smoke detection in air streams widths ranging from 2 to 4 feet
this CSA-listed part is built to withstand the thermal expansion and contraction cycles common in commercial HVACR environments
Actuator Compatibility: Designed for direct coupling with standard globe valve actuators for simplified commissioning
Optimized Compatibility: Specifically balanced for Daikin PTAC units and McQuay fan coils
Advanced Distributor Products 76777500 Control Board Kit Els PW 17895 The System Sensor ST-3 isThe Advanced Distributor Products 76777500 Control Board Kit is an essential OEM replacement designed to restore precision and reliability to your HVAC system. Also identified as the ADP 176777500, this comprehensive kit is specifically engineered for use with CUH and SEP series unit heaters, as well as HED duct furnaces. By regulating critical components like the blower motor and heating elements, this HEV HVAC circuit board ensures your equipment
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