O-ring used INTERNALLY ( on Stem 7130911 ) of 3/4 Bypass 7129871 used on the standard 3/4" valve common for most Sears, North Star, GE, and Ecowater systems.Should also work inside by pass # 7278434. Does not show in our diagrams. And a total of ( 4 ) used on the by pass stem, so you should order 2 or 4 and not just 1.
( 1 ) ONE - O-ring used INTERNALLY ( on Stem 7130911 ) of 3/4 Bypass 7129871 used on the standard 3/4" valve common for most Sears, North Star, GE, and Ecowater systems.Should also work inside by pass # 7278434. A total of ( 4 ) used on the by pass stem, so you should order 2 or 4 and not just 1.This is NOT the External Oring 15/16" x 1 - 3/16", 7170228, 900535Again .. sold in quantity of ( 1 ) individual o-ring, but you should replace at least 2 or best all 4 o-rings.
