or a pressure switch fault code on the furnace control board

This kit is essential for maintaining the mechanical integrity of the backflow preventer

Universal Compatibility: Efficiently replaces legacy models including H15DA-1 and H15CA-1 without requiring manifold modifications

For service technicians managing McQuay

Lochinvar & A.O. Smith 100113146 Blower 328140-751 or a pressure switch faultThe Lochinvar & A. O. Smith 100113146 Vertex 100 Blower is a critical combustion component engineered specifically for high efficiency Vertex GDHE series water heaters, including GDHE 50 and GDHE 75 models. As an OEM replacement for the obsolete 9008863005 blower assembly, this unit is designed to maintain precise air to gas ratios and static pressure, ensuring legal compliance with emission standards and maximizing thermal efficiency in both