Glowworm Expansion Vessels

Glowworm expansion vessels help regulate boiler pressure, prevent leaks, and protect vital internal components. Our range includes compatible models for Glowworm Energy, Ultimate, and Ultracom series, making them ideal for maintaining safe, efficient, and reliable boiler performance.

We supply both new and expertly refurbished Glowworm expansion vessels, each fully tested and supported by a 12-month warranty. They are designed for easy installation and built for long-lasting durability.