For technicians working on high-efficiency boiler retrofits or standard furnace repairs

leak-resistant sweat joint that handles high refrigerant volumes without excessive turbulence

ensuring the safe expulsion of flue gases and reliable sequence of operation

ensuring positive shut-off even in demanding HVAC flow control environments

it provides a direct mechanical interface for the Crathco Classic Bubbler series

Carrier 33ZCT55SPT Temperature Sensor R-22 For technicians working on high-efficiencyThe Carrier 33ZCT55SPT is a commercial grade space temperature sensor designed for high precision environmental monitoring in Carrier Comfort Network (CCN) and i Vu systems. As a veteran verified 10K ohm thermistor, this unit provides exceptional stability, effectively eliminating the common issues of calibration drift often seen in lower tier wall sensors. The integrated push button override is a critical feature for field applications, allowing