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Replacing a seized or noisy 70-42241-01 with this OEM-grade assembly restores the negative pressure draft required to pull combustion gases through the heat exchanger
and wall-mounting brackets
ensuring proper expansion valve operation
while specific flash patterns identify issues such as airflow faults
Browning B138 Belt 321894-709 Replacing a seized or noisyThe Browning B138 Belt is a heavy duty industrial V belt engineered for consistent power transmission in demanding HVACR applications. As a B section v belt featuring a 5 8 inch top width and a 141 inch outside diameter, it is purpose built for medium duty equipment including commercial blowers, exhaust fans, and pump drives. The Super Grip Belt design utilizes a premium neoprene rubber compound reinforced with high tensile synthetic fiber cords,