meaning the pumped fluid lubricates the bearings

Universal Compatibility: Validated for use in specific Carrier and Bryant air handlers and furnace cabinets requiring 2-inch depth media

this component manages the flow of Natural Gas or Propane (model specific) to the burner tray assembly

Multi-Voltage Compatibility: Engineered for 120V/240V operation

Conbraco 61-104-01 Check Valve Els PW 17895 meaning the pumped fluid lubricatesFor mid sized hydronic and steam systems, the Conbraco 61 104 01 Check Valve provides a rugged, inline solution to prevent backflow and protect upstream equipment. This 3 4" female NPT spring actuated bronze CVB ball cone check valve is built with a heavy duty ASTM B584 bronze body and a chemically resistant RPTFE ball cone, ensuring a tight seal even in demanding chemical service or saturated steam applications up to 125 psi. The spring loaded design