Is this part compatible across multiple brands

This 10 x 6 blower wheel features a convex wheel design with a 1/2-inch bore and is configured for clockwise (CW) rotation

allowing for potential downsizing of coupling assemblies

the Lennox 43H89 and 43H8901 are the same physical component and are used interchangeably in manufacturer parts manuals

As a veteran-grade HVAC control relay

Armstrong Fluid Technology AS1270-375 O-Ring 319852-301 Is this part compatible acrossThe Armstrong Fluid Technology AS1270 375 O Ring is a precision engineered EPDM pump seal designed specifically for 8 inch suction guides. Engineered to maintain a leak proof pump side connection, this high performance component features a 9. 475 inch internal diameter and a 0. 210 inch cross section. Constructed from high grade Ethylene Propylene Diene Monomer, this replacement O ring offers exceptional resistance to heat, weathering, and mechanical