and FX4C series air handlers

Which HVAC models use the 123324-008 filter

Common Questions: Is the Mueller W40123 compatible with R-410A refrigerants

For technicians performing cross-reference identification

Can I use this for modulating applications

Lochinvar & A.O. Smith 100159008 Conversion Kit 323613-751 and FX4C series air handlersThe 100159008 LP Conversion Kit is a critical service component for field converting select Lochinvar and A. O. Smith high efficiency condensing boilers and water heaters from natural gas to liquid propane. This kit is engineered specifically for use with Lochinvar Knight and A. O. Smith Cyclone models, ensuring the venturi mixer and manifold pressure settings align with the specific caloric value of propane. Precision drilled orifices and high grade