In line, diaphragm-type, pre-pressurized tank for use with domestic hot water heaters to accept the increased volume of water created when a water storage tank is heated, keeping the system below the relief valve setting. Extends water heater life and protects plumbing fixtures by controlling pressure build-up. Smothers water hammer and eliminates hot water waste. Steel shell, polypropylene liner, butyl diaphragm, brass system connection. 200 degree F maximum operating temperature, 150 PSI maximum working pressure. 40 PSI factory pre charge.
- STEEL SHELL - HOT WATER HEATER
- Brand:THERM-X-SPAN
- Capacity Gallons=4