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.

Water Hammer Arrestor, Nominal Size: 1 IN, Connection Type: MNPT, Temperature Rating: -40 To 212 DEG F, Pressure Rating: 0 - 80 PSI, Material: Copper, EPDM Ring, Length: 6-3/4 IN, Industry Standards: UPC Listed, ASSE 1010, SBCCI Limited, Additional Specifications: Nitrogen Preloaded: 60 PSI, PDI Size: C, PDI Fixture: 33 - 60

• Lead-free
• Only one moving part
• Maintenance-free
• Commercial, industrial and residential use
• No access panel required

• Specification Sheet https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/075SC750WHA_Spec.pdf
• Instruction/Installation Manual https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/PPP_SC-1000_Instruction_Installation_Manual.pdf
• Submittal Sheet https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/PPP_SC-1000_Submittal_Sheet.pdf