PPP® Lead Free Water Hammer Arrestor, System Rated, 1-1/4 in Nominal Size, MNPT, 0 to 80 psig, -40 to 212 deg F, Copper Body, EPDM Seal, 9-1/2 in L, Domestic
A maintenance-free installation is assured when using this type of arrestor. the only moving part is the free-moving piston furnished with O-ring seals which have been tested for reliability in excess of normal operating ranges.