$9.29
Part # 4742-137
By Waterway
Manufacturer Code 550-4240
Dimensions 2.85" L x 1.35" W x 1.35" D
Alternate Part #'s 550-4240, 5504240, 715-4201, 7154201, 14-270-1116, WW5504240B, WWP550-4240
SCREW, PRESSURE RELIEF With O-RING
Sorry another question what size o-ring is on this please Reply
Hi, Jackie. The Air Relief O-ring - 111 is 7/16" ID, 3/32" thick. Reply
$3.49