Rheem-Ruud 70-22165-81 Draft Blower Freon or your furnace "tripping" on

or your furnace "tripping" on the high-limit switch due to restricted airflow through the secondary heat exchanger

while the 37K6301 is often used for individual retail packaging

Is this valve compatible with vacuum service

Industrial Build Quality: Built for proportional control accuracy within 3 to 15 psig signal ranges

Optimized Airflow: Advanced CC-1 horizontal venting geometry minimizes back-drafting and protects the heat exchanger

Rheem-Ruud 70-22165-81 Draft Blower Freon or your furnace "tripping" onThe Rheem Ruud 70 22165 81 Draft Blower is a precision engineered 120V induced draft motor designed for high efficiency gas furnaces. This centrifugal blower assembly plays a critical role in the combustion process by exhausting flue gases and ensuring the pressure switch closes to initiate the ignition sequence. Featuring a durable shaded pole motor design, the 70 22165 81 induction fan is built to withstand high static pressure and heat cycles