ClimateMaster 17B0031N04 Thermistor 318973-401 2 Switch facilitates both the

2 Switch facilitates both the electrical cutout of the burner circuit and the activation of an optional alarm or signal

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the hose typically connects to the P2 port

which complies with safety standards for indoor installation without the need for external vent piping to the outdoors

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ClimateMaster 17B0031N04 Thermistor 318973-401 2 Switch facilitates both theThe ClimateMaster 17B0031N04 Thermistor is a critical NTC (Negative Temperature Coefficient) sensor designed for precision thermal monitoring in water source heat pumps and geothermal HVAC systems. Featuring a 48 inch lead length with a black thermistor bead, this OEM component provides the 10K ohm resistance (measured at 77F) required by CXM and DXM control boards to manage freeze protection (FP1 FP2) and discharge air temperature. In the field, a