you protect the heat exchanger from thermal stress and ensure consistent blower motor activation during high-heat events

25 PSI nominal spring range

The HK28ZT001 is designed to interface with Carrier SuperDuct series sensors and is used across many 48 and 50 series rooftop units

which corresponds to the 5/8" nominal size used in standard plumbing

this component ensures the inducer motor pulls sufficient vacuum to vent combustion gases before the gas valve is energized

Trane BAYHTR1508BRKC Heater 326070-701 you protect the heat exchangerThe Trane BAYHTR1508BRKC Heater is a high performance 8KW electric heat kit engineered for seamless integration with Trane and RunTru air handlers. Designed to provide supplemental heating or emergency backup, this auxiliary electric heater delivers a robust 26,200 BTU capacity at 240V. For field technicians, the inclusion of a built in circuit breaker simplifies the electrical package, serving as a dedicated disconnect and eliminating the need for