This Daikin-McQuay HVAC replacement part is essential for technicians servicing FCHB

Johnson Controls A19ABA-23 Utility Thermostat

maintaining the necessary interrupting capacity to prevent equipment damage

and 'Fan' for the Fan Motor (5 MFD)

Lochinvar & A.O. Smith 100171704 Gas Valve Refrigerant This Daikin-McQuay HVAC replacement partThe Lochinvar & A. O. Smith 100171704 Gas Valve is an OEM LP gas valve replacement engineered for precise manifold pressure regulation in high efficiency residential heating and commercial water heaters. Designed to handle the higher energy density of liquid propane, this combination gas valve provides critical control over fuel flow, ensuring proper combustion and preventing soot buildup or irregular flame patterns. This unit serves as a direct