As a dual automatic valve

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Industrial-Grade Construction: Built to withstand the constant thermal expansion and contraction cycles typical of high-efficiency Lennox heating systems

this board is the primary component for modernizing the ignition control circuit

reducing labor time during field installation and maintaining the unit’s original venting safety standards

Browning AK84X 1 3/16 Sheave 319848-301 As a dual automatic valveFor contractors requiring a dependable power transmission component, the Browning AK84X 1 3 16 sheave is engineered for robust performance in fractional horsepower (FHP) applications. This cast iron V belt pulley features an 8. 25 inch OD sheave with a precision machined 1 3 16 inch fixed bore, complete with a 1 4 inch keyway for secure shaft mounting. Its single groove FHP sheave design is specifically compatible with 3L, 4L, and A belts, ensuring