Carrier 30GB660002 Thermister 30067439-890 Using this in steam service

Using this in steam service will cause premature failure of the EPDM seals

you would typically need a conversion kit or a specific LP-regulated operator to ensure safe combustion pressures

If the motor housing is excessively hot or the breaker trips upon startup

This L170-40F limit control is a precision-engineered OEM replacement part designed to monitor discharge air temperatures and prevent heat exchanger damage

Designed for a maximum pressure of 150 psi and operating temperatures up to 125°F

Carrier 30GB660002 Thermister 30067439-890 Using this in steam serviceThe Carrier 30GB660002 Thermister is a critical OEM replacement temperature sensor designed for precision monitoring in commercial chillers and applied HVAC systems. Engineered to meet the exact specifications of the Carrier 30GB and 30GT series, this 10K Ohm sensor delivers accurate feedback for Entering Water Temperature (EWT), Leaving Water Temperature (LWT), Outside Air Temperature (OAT), and Return Gas Temperature (RGTA). As a direct successor to