PPP® Water Hammer Arrester, Lead Free, System Rated, 3/4 in Nominal, MNPT, 250 psig, 12 to 32 Fixture Unit Capacity, 32 to 212 deg F, Copper Body, EPDM O-Ring, 7-1/4 in OAL, Domestic
A maintenance-free installation is assured when using this type of Arrester 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.