Wilkins 972-50S

Regular price $ 151.00 Sale price $ 105.70
5 in stock

3/4" and 1" 975XL or 975XL2 relief valve stem assembly.  This is only the stem with the diaphragm, the two plastic plungers on either side of the diaphragm, the o-ring that goes into the relief valve cover and the red disc that presses against the seat.  It is item 25 in this exploded view.