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740

Boiler Pressure Relief Valves

  • Iron body with expanded outlets
  • Non-mechanical seat-to-disc alignment will not stick or freeze
  • Seat is located above drain to prevent water from being trapped and sediment from fouling the seat
  • Valve protects hot water space heating boiler equipment from excessive pressure

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 740

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