Mr. Heater Vent Wall Heater Blower Fan Kit is the fan assembly designed specifically for the 20,000 to 30,000 BTU Mr. Heater vent wall heater units. This blower fan kit is compatible with vent models manufactured from 2016 or later, ensuring a fit and reliable performance. Featuring a 3/8 inch NPT male inlet, it provides efficient airflow to help maintain optimal heater function and comfort in your space. This kit a convenient solution for maintaining your vent wall heater and prolonging its lifespan. Model Number: