you must replace the complete actuator assembly to ensure mechanical compatibility

it ensures precise fitment and restores factory-spec heat staging in AAON air handlers and rooftop units

While commonly used on larger Ultra Gas 550 and 750 units

the H15DA-3 simplifies inventory while ensuring high-capacity performance

The assembly includes a durable faucet seat cup

Lennox 15W75 Blower Wheel 326058-758 you must replace the completeFor high demand HVAC repairs, the Lennox 15W75 Blower Wheel is a critical OEM replacement part designed for belt drive air handling units. This 10" x 10" blower wheel features a 1" bore size, ensuring a precise shaft fitment for standard commercial and residential blowers. Constructed from high grade galvanized steel, it is engineered for corrosion resistance and long term mechanical integrity in high static pressure environments. The CCW (counter