6.3G HYDRONIC EXPANSION TANK

Product description

Zilmet ZHT24-60 Hydronic Expansion Tank
This is a 6.3-gallon diaphragm expansion tank designed to handle thermal expansion in residential and light commercial hydronic heating systems.

Key specifications

• Type: Hydronic expansion tank (closed heating systems)
• Capacity: 6.3 gallons
• Connection: 1/2" or 3/4" NPT (varies by configuration)
• Max pressure: 60 PSI
• Max temperature: 210°F
• Precharge: Typically 12 PSI
• Material: Carbon steel shell with internal rubber diaphragm
• Orientation: Vertical in-line installation

What it does

When boiler water heats up, it expands. The ZHT24-60:

• absorbs that expanded volume
• keeps system pressure stable
• prevents relief valve discharge
• protects boiler components and piping

Typical applications

• Residential boilers
• Small to medium radiant heating systems
• Baseboard hydronic heating loops
• Light commercial HVAC hydronic systems