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This L170-40F limit control is a precision-engineered OEM replacement part designed to monitor discharge air temperatures and prevent heat exchanger damage
ensuring zero bypass
Designed for a maximum pressure of 150 psi and operating temperatures up to 125°F
you would typically need a conversion kit or a specific LP-regulated operator to ensure safe combustion pressures
High Pressure Threshold: Robust construction supports systems up to 100 PSIG
Carrier 30GB660002 Thermister 30067439-890 This L170-40F limit control isThe 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
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