Bell & Gossett Diaphragm Tanks The Series HFT tank is designed to absorb the force of thermal expansion of heating water and to maintain proper pressurization in a closed hydronic system. The heavy duty butyl diaphragm separates system water from the air in the tank preventing water logging problems. Residential and Light Commercial Applications. Features and Benefits Helps Prevent Excessive Pressures in Heating Systems. Increases System Performance. Reduces Oxygen Corrosion. In-line and Floor Mount Installation.
Bell & Gossett Automatic Air Vent, Model No. 97, Size: 1/8", Max Pressure (PSI): 150, Height: 3-1/8", Width: 1-7/8", Thread Type: Male, Connection Type: Threaded, Max Temp (F): 240°F, Material: Bronze
Bell & Gossett FB-38 1/2, Pressure Reducing Valve, Size: 1/2", Max Pressure (PSIG): 25, Min Pressure (PSIG): 10
Bell & Gossett Dual Unit Valve, Bronze, Dual Unit Valve with Fast Fill 1/2, Max. Temp. 225°F, Pressure Range: 20 to 40 PSI, Min. Pressure (PSIG) 20, Max. Pressure (PSIG) 125, Connections: Boiler: 1/2" NPT Fill: 1/2" NPT