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

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

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

Key Benefits: Precise Thermal Regulation: Calibrated to 170°F to ensure waste oil is rendered at the correct viscosity for clean combustion

Revision C Configuration: Updated circuitry for improved boiler control system stability and signaling consistency

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