Solimeta 2.1 Gal Potable Water Expansion Tank with Adjustable Wall Mount

Overview

The Solimeta 2.1 Gallon Potable Water Expansion Tank is designed to help you manage pressure in residential and light commercial systems. It combines a compact 2.1 gallon reservoir with a robust internal diaphragm and durable fittings, all ready to install against a wall with the included mounting bracket. This solution aims to support steady operation in boilers, water heaters, and hydronic heating setups without taking up valuable floor space.

Why choose an expansion tank

• Expansion Tank Benefits: Preventing Pressure Buildup helps keep components within their operating range.
• Enhancing System Lifespan by accommodating volume changes during heating cycles.
• Ensuring Energy Efficiency through steadier pressure and reduced pump cycling.
• Reducing Water Hammer, which can diminish noise and vibration in plumbing runs.
• Protecting Against Leaks by relieving pressure peaks that stress connections.

This model is suitable for systems where water is heated, including residential and commercial boilers, water heaters, and hydronic heating. Its compact form and quick mounting setup make it a practical upgrade for spaces with limited room or for retrofit projects.

Key specifications and included hardware

• Capacity: 2.1 gallons
• Thread: 3/4" MNPT with a rubber thread protector
• Precharge: 40 PSI
• Maximum operating pressure: 150 PSI
• Maximum operating temperature: 200°F
• Diaphragm: high quality butyl rubber
• Fittings: 304 stainless steel for corrosion resistance
• Mounting: wall mounting bracket set included for convenient installation

The combination of a durable diaphragm and stainless fittings is designed to support long-term performance while the included mounting hardware helps you achieve a clean, professional installation without buying extra parts.

Materials and build quality

The butyl rubber diaphragm works with potable water applications to absorb pressure fluctuations, while the 304 stainless steel fittings resist corrosion over time. Together, these materials contribute to a reliable installation that can handle repeated heating and cooling cycles.

Real-world use and installation tips

Ideal for homes with boilers or hydronic heating, apartments with compact boiler rooms, or small commercial spaces where wall-mounted equipment saves space. Place the tank near the heater or boiler, connect the MNPT threaded port using standard fittings, and secure the unit to the wall with the included bracket for a tidy setup.

Note: Always verify system compatibility and keep to manufacturer guidelines for safe operation. This expansion tank is designed to complement existing pressure relief practices and is not a substitute for professional service where required.