this 100171987 valve assembly features a built-in pressure regulator and is referenced to the combustion chamber for optimal air-gas mixture

Common Questions What is the function of the 25°F open setting

and blower fan to ensure safe and reliable unit operation

The C3510-2 is identical to the 1AV-3/4-146 in terms of specifications

Browning 4L530 Belt 322838-754 this 100171987 valve assembly featuresThe Browning 4L530 Belt is a heavy duty fractional horsepower V belt engineered for demanding HVACR applications requiring reliable power transmission. This 53 inch outside diameter V belt features high modulus synthetic tensile cords that provide superior longitudinal strength while maintaining the flexibility needed for small diameter sheaves. Built with a 4L cross section (1 2" top width), it is an industry standard choice for driving HVAC blower