it provides the necessary structural stability to secure the draft inducer motor

always cross-reference the 14631312 part number against your specific model's parts list to confirm the pressure rating matches the unit's venting requirements

making it a standard replacement for many York and Johnson Controls 1" shaft assemblies

meeting ARI 780 standards for definite purpose switching

or thread the unit into exact alignment within the combustion chamber

Carrier LA21RB556 Blower Wheel 318820-201 it provides the necessary structuralThe Carrier LA21RB556 Blower Wheel is a precision engineered OEM inducer blower wheel designed for high efficiency draft induction in Carrier, Bryant, and Payne gas fired furnaces and packaged units. This induced draft wheel is the direct performance upgrade and replacement for LA21RB554, featuring a 6 1 4" diameter and 2 3 8" width. Constructed from durable aluminum, this centrifugal blower wheel is balanced to minimize shaft vibration and optimize