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- 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.
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 
- May be installed in new or existing plumbing systems with a standard pipe tee
 - Maintenance free
 - Copper or free turning brass cap
 - Nickel plated for salt water application
 - Machined of composite material piston
 - Machined of C69300 low lead brass threaded adapter
 
- Domestic / ImportDomesticEnd StyleMNPTNominal Size1-1/4 inPressure Rating0 to 80 psigTypeSystem RatedBody MaterialCopperDimensions9-1/2 in LManufacturerPrecision Plumbing ProductsManufacturer #SC-1250DSoftgoods MaterialEPDM SealTemperature Rating-40 to 212 degF