25-inch diameter and a 5/8-inch bore size to ensure a secure fit on standard motor shafts

Integrated End Switch: Simplifies wiring for burner or circulator pump activation upon valve opening

Replacing a faulty furnace control board with this genuine OEM replacement part restores precise temperature regulation and proper HVAC system communication

Always verify your specific model number on the rating plate to ensure the mounting bracket aligns with the burner port

If power is lost

ClimateMaster S17S0030N02 Thermister mario 25-inch diameter and a 5/8-inchThe ClimateMaster S17S0030N02 is a precision NTC thermistor engineered for geothermal and water source heat pump applications. Featuring a 96 inch gray wire lead, this OEM sensor provides the necessary reach for remote mounting or deep placement within the cabinet or coil assembly. It functions as a critical temperature sensor for HVAC systems, monitoring thermal changes to ensure accurate heat pump diagnostic feedback to the control board. Designed