Heat Controller 17122000015312 Low Ambient Kit 319847-401 While it replaces the D303766P46

While it replaces the D303766P46 blower wheel

this manifold gas assembly provides the reliability required for multi-burner configurations

Key Benefits OEM Precision: Genuine Weil McLain replacement part ensures exact calibration and fitment for AHE blower and boiler safety assemblies

this HVAC blower shaft provides the structural integrity needed to drive high-CFM blower wheels without the deflection risks associated with generic alternatives

restricted refrigerant flow

Heat Controller 17122000015312 Low Ambient Kit 319847-401 While it replaces the D303766P46For contractors servicing Comfort Aire and Heat Controller split systems, the 17122000015312 Low Ambient Kit is the essential field installed accessory for maintaining head pressure control during low outdoor temperature operations. This kit is specifically engineered for models like the SMH18SC and A SMA24SC 1, allowing the system to operate safely in cooling mode even when ambient temperatures drop as low as 40F. By regulating the condenser fan