For applications requiring thermal expansion protection

or electrical burnout of the solenoid coil due to voltage fluctuations

Use this only with standard non-corrosive refrigerants to avoid rapid material degradation and system failure

Can I replace this with an auto-reset switch

Common Questions: How do I set the deadband on the DDP-109

BROAN-NuTone S97008321 Fan R-407A For applications requiring thermal expansionThe BROAN NuTone S97008321 Fan is a precision engineered motor and impeller assembly designed specifically for high performance bathroom exhaust fan repair. This genuine OEM replacement motor is compatible with Nutone QTN Series and Broan QTX Series ventilation units, ensuring a seamless fit without the need for housing modifications. Rated for high static pressure environments, the centrifugal blower wheel delivers consistent CFM output to manage