When conducting a heat exchanger replacement

preventing burner operation during venting obstructions or inducer failures

this relay features Class B insulation and is rated for operational temperatures from -40°F to 149°F

5" H and weighs roughly 17-18 lbs

Using the Carrier 338106-755-CBP ensures the unit maintains its original engineering specifications and safety ratings

Superior Radiant CE139 Thermostat 326070-701 When conducting a heat exchangerThe Superior Radiant CE139 Thermostat, manufactured as the LuxPro PSD010B, is a specialized digital heat only thermostat engineered for industrial and commercial infrared radiant heaters. This battery powered thermostat (2 AA alkaline batteries) provides precise temperature regulation with a setpoint range of 45F to 90F, ensuring consistent thermal performance in high bay or warehouse environments. The vertical mount PSD010B features a large backlit