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Lennox CB27UH-036 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance is governed by temperature at its location. The system interprets the temperature throughout the whole system to ensure that things are as they should be. They tell the main board when a certain temperature has been reached.
Red flags your all-important thermister is dead
- Blower motor refuses to begin to ramp up
- The initial sequence could possibly not operate due to any one thermistor that is malfunctioning
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Before buying or purchasing any Lennox CB27UH-036 part, do your due diligence and cross-check the correct model and also make a visual comparison so that you are positive that the correct thermistor is being ordered. You do not need to install it yourself. Look for a professional in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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