The Xylem McDonnell & Miller 347100 Strainer Assembly is a filtration component designed to remove debris from fluid lines in HVAC and boiler systems. It works by directing water or condensate through a screened chamber that captures dirt and particles before they reach pumps, valves, or controls. Commonly used in boilers, hydronic heating systems, and condensate return assemblies, th... https://www.partshnc.com/347100-xylem-mcdonnell-miller-sa101-38-strainer-assy