Bell & Gossett 110127 790-3/4-125 hot water relief valve with a set pressure of 125 PSI. This valve is designed for hydronic heating systems to provide overpressure protection. The 790 series valve features a 3/4-inch connection and is constructed for reliable performance in HVAC applications.

Bell & Gossett model 790-125 bronze hot water relief valve in an angle pattern with a 3/4" inlet and a 3/4" outlet. This valve can be set at 125 psi. Cast iron or bronze safety relief valves are designed for fired and unfired hot water pressure vessels to protect against overpressure conditions. Cast iron models are used for hot water heating boilers and bronze models can be used on direct fired water heaters, or storage tanks with indirect heaters to match the BTU loads of the heat exchangers. Their maximum pressure is 125 psi and their maximum temperature is 250°F.