Watts 374A Boiler Water Pressure Relief Valve, 3/4" BESTSELLERS Kills and repels mosquitoes and

Kills and repels mosquitoes and biting flies for up to 6 hrs

they can also detect overloads and short circuits

3/4" bore x 5" diameter

000 BTU/hour

Needs 634 sqin of net free intake air

Watts 374A Boiler Water Pressure Relief Valve, 3/4" BESTSELLERS Kills and repels mosquitoes andSeries 374A Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections, non metallic disc to metal seating, stainless steel spring, and test lever. Series 374A resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in