This is a Pentair stainless steel pump washer 3/8 inch x 13/16 used in various Pentair products. This washer is used in Pentair: MiniMax NT LN, STD, TSI Pool and Spa Heaters with DDTC and 6800 Controllers, EQ-Series, IntelliFlo VF, VS 3050/VS-SVRS, WhisperFlo, SuperFlo, Pinnacle, SuperMax Pool and Spa Pumps.








