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This configuration is ideal for contractors managing HVAC zone control or commercial boiler systems requiring reliable spring return fail-safe operation
This model serves as the direct replacement for A19BAA-5 and 2A37-1
Both part numbers refer to the same BASO pilot burner specifications and performance characteristics
Operating on 24Vdc
Trane WHL1171 Blower Wheel 320720-756 This configuration is ideal forThe Trane WHL1171 Blower Wheel is a precision engineered OEM replacement part designed for high static pressure applications in furnace and air handler assemblies. Featuring an 11 inch diameter and a 7 inch width, this CW (clockwise) rotation wheel ensures optimal CFM delivery and static balance. The 1 2" bore hub is machined for a secure press fit or set screw attachment to standard blower motor shafts, minimizing vibration and mechanical strain on
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