Model # SP1056
Dimensions 2.5" L x 3" W x 3" D
Alternate Part #'s 55-150-1004, HAY-25-1518, HAYSP1056
I have a fiberglass pool with 3 drains. All have a 2 5/8" Hayward Hydrostatic relief valve in them. Do you have that size available.
What is the rated flow and pressure relief setting?