Resideo TK30PV125PNKP Boiler Trim Kit W/4.4-Gallon Pressurizer Vessel & NK300 Valve

The Resideo TK30PV125PNKP Boiler Trim Kit is a perfect package for hot water heating systems that is loaded with numerous features. This kit comes with an expansion tank of 4.4 gallons and other components that should fit your HVAC system perfectly. There exist an expansion tank with a half size that is crucial in controlling the expansion of water within the tanks to regulate the pressure and hence reduce damage on the system. It is suitable for use at temperatures ranging from 40°F to 240°F, thus suitable for most hot water uses.