15M2

Water Hammer Arrestors

  • Factory air charged at 60 psi (4.2 bar)and is not rechargeable in the field
  • Solid brass NPT hex adapter for easy installation
  • ASSE, ANSI and PDI approved and UPC listed
  • May be installed in concealed locations without access panels

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA