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Watts® 1 Bronze Boiler Pressure Relief Valve
Part 109999
Brand Watts
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in lower 48 states
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About this item

  • Watts 1 Bronze Boiler Pressure Relief Valve
  • For Hot Water Heating And Domestic Supply Boiler Applications To Protect Against Excessive Pressures On All Types Of Hot Water Heating Supply Boiler Equipment
  • Bronze Construction With NPT Threaded Female Inlet And NPT Threaded Female Outlet (Drain) Connections, Non-Metallic Disc-To-Metal Seating, Stainless Steel Spring, And Test Lever
  • Resists Corrosive Water Conditions, Sticking And Freezing, And Prevents Water And Sediment From Being Trapped In The Seat
  • The Pressure Relief Is Set At 150 PSI (1034.2 kPa) With Corresponding High Pressure Ratings Up To 3,795,000 BTU/hr
  • Mfg #0275464
California residents: Prop 65 Warnings


This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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