The Zilmet ZFT8R-15 is a compact, high-quality diaphragm expansion tank engineered to stabilize pressure and absorb thermal expansion in closed-loop hydronic heating systems. With a 2.1-gallon capacity and 15 PSI pre-charge, this tank is ideal for small to mid-size residential heating setups, including boilers, radiant floor loops, and baseboard systems. Durable steel construction, a fixed diaphragm, and reliable performance make the ZFT8R-15 a trusted choice for contractors and homeowners alike.
Key Features
-
2.1-Gallon Capacity
Perfect for smaller hydronic systems requiring reliable expansion control. -
Factory Pre-Charged to 15 PSI
Ready for immediate installation in typical residential heating applications. -
Fixed Butyl Diaphragm
Separates the air and water chambers to prevent waterlogging and ensure long service life. -
Heavy-Duty Steel Tank Construction
Robust shell withstands heating system pressures and temperature changes. -
Space-Saving, Wall-Mountable Design
Compact footprint makes it ideal for tight mechanical rooms or retrofit installs. -
Corrosion-Resistant Interior
Extends tank performance and protects system water quality.
