Browning AK49H Sheave 322056-301 this flue system adapter is

this flue system adapter is designed to withstand the thermal stress of modern gas-fired furnaces and water heaters

Provides burner safety shutdown functionality

The 120V AC coil is protected by a NEMA 1 general-purpose enclosure

preventing slippage and premature wear on the blower motor and drive belt

Browning AK49H Sheave 322056-301 this flue system adapter isThe Browning AK49H Sheave is a high performance single groove cast iron sheave designed specifically for fractional horsepower (FHP) applications and light duty power transmission. Engineered for versatility, this 4. 75" outside diameter V belt pulley is precision machined from close grain cast iron, ensuring maximum durability and tight tolerances that prevent premature belt wear. To guarantee smooth, vibration free operation in demanding HVACR