Efficiency Maintenance: Proper alignment prevents blower wheel "hunting" and maintains consistent CFM output

Precision Thermal Calibration: Factory-set at F90-10F to ensure the fan engages and disengages at exact heat thresholds

3-inch frame diameter motor is engineered for continuous air-over duty

Precise 24-inch length provides adequate reach for various furnace and RTU chassis sizes

or an over-fired gas valve setting

Resideo VR8345K4809 Valve 326058-756 Efficiency Maintenance: Proper alignment preventsThe Resideo VR8345K4809 is a high capacity universal electronic ignition gas valve designed for versatility in commercial and residential HVACR applications. Engineered for single stage gas furnaces and boilers, this valve features a 3 4 inch NPT inlet outlet and handles up to 300,000 BTU hr. As a slow opening gas valve, it ensures smoother ignition and quieter burner operation, reducing mechanical stress on the heat exchanger. It operates on standard