Trane VAL20518 Expansion Valve Els PW 17895 this is the correct manufacturer recommended this is the correct manufacturer recommended replacement making it suitable for both high temp hydronics and saturated steam environments We recommend using a wet rag or heat sink paste on the valve body during brazing to prevent damaging the internal diaphragms and seals providing the correct orifice sizing for liquid line regulation
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Trane VAL20518 Expansion Valve Els PW 17895 this is the correct manufacturer-recommended