Contractor Grade: Simplifies valve rebuilding and HVAC repair by meeting exact OEM dimensional tolerances

this externally equalized TXV is built for seamless integration into high-demand residential or commercial setups

If your current burner suffers from poor centering or a damaged flame lock

000-step motor

This kit is factory-configured for natural gas

Lochinvar & A.O. Smith 100187863 Elbow 319825-402 Contractor Grade: Simplifies valve rebuildingThe Lochinvar & A. O. Smith 100187863 is a 4 inch aluminum exhaust condensate elbow assembly engineered specifically for high efficiency gas fired boilers and water heaters. As a veteran technician knows, managing flue gases and acidic condensate in condensing systems requires components that can withstand corrosive environments without compromising structural integrity. This OEM replacement part is constructed from high grade aluminum, offering