Description
The Zilmet ZFT18R-30 is a high-quality diaphragm expansion tank designed to maintain consistent pressure and absorb thermal expansion in closed-loop hot water heating systems. With a 7.0-gallon capacity and 30 PSI pre-charge, this tank protects boilers, piping, and valves from pressure surges caused by heating cycles. Compact, durable, and easy to install, the ZFT18R-30 is ideal for residential and light-commercial heating systems.
Key Features
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7.0-Gallon Tank Capacity
Accommodates expansion in typical residential or light-commercial hydronic systems. -
30 PSI Pre-Charged Air Pressure
Ensures optimal pressure regulation for most standard hot water heating applications. -
Diaphragm Design
Separates system water from the air chamber, preventing waterlogging and extending tank life. -
Durable Steel Construction
Carbon steel shell provides long-term strength and resistance to system pressure. -
Compact & Easy to Install
Space-saving design fits conveniently in mechanical rooms or near boilers. -
Suitable for Closed-Loop Heating Systems
Works with boilers, radiant heating, baseboard, and hydronic systems requiring expansion control.
