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This 5k ohm thermistor (at 25°C/77°F) is essential for maintaining design-specified delta-T across heat exchangers
this component helps prevent unsafe operation due to venting obstructions or fan failure
Universal Application: Compatible with a wide range of Lochinvar and A
150VA capacity
common in HVACR valve replacement scenarios
Nordyne 902987 Kit 30067439-890 This 5k ohm thermistor (atWhen you are upgrading an older Nordyne furnace for air conditioning or heat pump compatibility, the Nordyne 902987 Control Board Kit is the essential drop in solution. This OEM replacement part serves as the primary bridge between contemporary 4 7 wire thermostats and secondary HVAC equipment, allowing for technical accuracy in staged cooling and reversing valve operation. As the updated version for 902986, this kit resolves the engineering
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