Geo-Flo 4.8 Gallon Non-ASME Expansion Tank, 1/2" MPT

Expansion tanks located on the load side of a geothermal water-to-water heat pump, air-to-water heat pump, or on a boiler system, are intended to reduce pressure fluctuations as the temperature of the fluid changes. Mounting Kit HTX-MK3060 Connecting Hose: HTX-Hose

PN: ETN-FX-HTX30