Resideo TK300-90 1/2" Heating Expansion Tank 14.0-Gallon 100-PSI 240°F

The Resideo TK300-90 Heating Expansion Tank is a 14.0-gallon tank intended to control thermal expansion in home and light commercial hydronic heating systems. This is an essentialcomponent in HVAC, for it absorbs the extra pressure that's generated when water is heated and expands inside a sealed system to prevent water from causing damage to pipes, valves, and other parts. There is a 1/2" Male NPT connection type which can simply be integrated into existing plumbing systems. The TK300-90 can be used in a wide variety of heating applications at a pressure rating of 100 PSI and heating temperatures up to 240°F.