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which matches the vent port size on 325-7 and 325-9 series regulators
Check your service manual for the physical dimensions of the sump before installation
Built with thin-film strain gauge technology
High-Grade Brass Construction: Designed to withstand environmental exposure and extreme temperature fluctuations common in HVACR applications
Honeywell 10168 Ammonia(NH3)Smart Cell 0-500ppm
Resideo RA89A1116 Relay 322838-753 which matches the vent portThe Resideo RA89A1116 is a professional grade switching relay designed for contractors who need a reliable interface between a low voltage controller and high voltage HVACR equipment. This 120V unit features an integral transformer that provides the necessary 24VAC power for your control circuit, eliminating the need for an external power source. Built with a single pole single throw (SPST) configuration, it is ideal for switching circulator pumps,
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