LF53

Lead Free* non-Calibrated Pressure Relief Valves

  • Poppet-style valve protects domestic storage tanks and tankless water heaters from excessive pressure
  • Furnished with test lever
  • Lead Free* brass body
  • 1/2 in. (15mm) size

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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