Zilmet 6.3 Gal Pro Hydronic Expansion Tank 1/2 in

Designed for closed-loop hydronic systems, the ZHT24-60 expansion tank cushions thermal expansion to prevent system over-pressure and protect boilers, valves, and piping. The 6.3-gallon capacity supports medium-size residential heating loops, while the carbon-steel shell provides exceptional structural durability. A pre-charged diaphragm ensures stable, consistent operation over long service cycles. Perfect for boiler upgrades or new hydronic installations.