Copeland Comfort Control (White Rodgers) 90-170 Contactor The UEi PDT550 Digital Pocket

The UEi PDT550 Digital Pocket Thermometer is a precision-engineered diagnostic tool designed for high-stakes HVAC/R system servicing and temperature-critical environmental inspections

This York furnace safety switch operates as a normally closed control that opens the circuit if the internal temperature reaches the 190°F threshold

Key Benefits for Technicians: Optimized Element Staging: Properly sequences 5kW and 7

OEM Reliability: Provides the exact thickness and compression ratio required for the collector box to interface correctly with the inducer assembly

For contractors performing a water heater element replacement

Copeland Comfort Control (White Rodgers) 90-170 Contactor The UEi PDT550 Digital PocketThe White Rodgers 90 170 contactor is a heavy duty 3 pole HVAC contactor engineered for demanding commercial and industrial applications. Built for reliable switching in air conditioning and refrigeration systems, this unit features a 40 amp inductive rating and a 24V coil designed to withstand voltage fluctuations common in field operations. The triple pole configuration ensures balanced power distribution across all legs, making it a critical