Zilmet has created a compact design with a seamless diaphragm that never stretches or creases. There are no bubbles or corners to trap sediment, inhibiting bacterial growth.

Zilmet® Hydronic Expansion Tank, Series: ZHT, 4.8 gal, 1/2 in, NPT, Carbon Steel, Stainless Steel, Gray, 60 psi Working, 12 psi Factory Pre-Charge, 210 deg F, 14.8 in H x 11.4 in Dia

• Each tank is factory leak tested to ensure tank integrity
• All diaphragms designed to maximize drawdown
• MIG welding elimates interior rough spots and sharp edges
• Welded side outlet allows easy and quick installation
• Low profile tank design with full membrane depth eliminates stretching of diaphragm, providing increased life cycle
• External baked on epoxy polyester coating provides a durable, appliance like finish
• Protected pre-charge valve eliminates potential leak path
• For use with hydronic heating systems

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Zilmet_ZHT8_Catalog.pdf