Description
The Caleffi R50057 1-1/2″ Union Washer is a sealing component designed for use in clean systems. It is installed within union connections to maintain a watertight and pressure-resistant joint between pipe fittings. The washer support ensures stable operation in heating and cooling circuits by supporting proper sealing performance at connection points. It is used for maintenance or assembly of valves, pumps, and distribution lines where union fittings are present within an HVAC system. It contributes to accurate circulation in a closed-loop connection and system efficiency.
