Carrier 50HE400791 Inducer Housing R-22 Common Questions Is the P499ACS-404

Common Questions Is the P499ACS-404 compatible with ammonia systems

Key Benefits Direct-Acting Performance: Operates reliably from 0 PSI

System Feedback: Built-in end switches allow contractors to verify damper status at the control board without physically inspecting the ductwork

Automatic Reset Functionality: Eliminates manual intervention by restoring system operation once the plenum temperature returns to safe levels

The 1/2-inch diameter by 4-inch length shaft and belly band mount configuration allow for rapid installation in a wide range of residential furnaces and air handlers

Carrier 50HE400791 Inducer Housing R-22 Common Questions Is the P499ACS-404Ensuring proper flue gas evacuation is a non negotiable step in maintaining any high efficiency furnace. This Carrier 50HE400791 Inducer Housing is an OEM spec draft inducer housing designed to withstand the corrosive condensation and high thermal cycles typical of the Carrier 400 series and compatible furnace families. As a veteran tech knows, a hairline crack or warped flange in the furnace inducer motor housing will lead to pressure switch trips