List of products by brand GLOWORM

Introduction to the Gloworm Brand

Gloworm, a subsidiary of the Vaillant Group, has been designing and distributing gas heating solutions for over 80 years. The brand is renowned for its wall-hung conventional boilers, condensing models and thermodynamic water heaters. Suited for single-family homes as well as small multi-unit buildings, these boilers offer optimized efficiency and simplified control. Although they do not feature an open firebox like an insert or a fireplace, some condensing gas boilers include inspection glass windows that can wear out over time and require regular replacement.

Classic and Condensing Gas Boilers

Among Gloworm's flagship ranges are the Betacom2 series, engineered for standard installations, and the Ultracom2 series, which combines compactness with high efficiency. The condensing models recover latent heat from exhaust gases to maximize energy efficiency and reduce CO₂ emissions. These boilers sometimes feature small inspection windows to visually monitor the burner interior, and precise replacement of this glass pane is essential to ensure perfect sealing.

Thermodynamic Water Heaters

In addition to boilers, Gloworm offers thermodynamic and instantaneous water heaters for domestic hot water production. While these units do not include a firebox window, they rely on sealing and anti-splash glass modules whose gaskets or protective panes may degrade over time. Careful maintenance preserves their longevity and performance.

Why Replace the Glass on Your Gloworm Boiler

Over time, the inspection glass of a gas boiler can become cloudy, crack or lose its seal. Damaged glass may allow fumes to escape, interfere with proper burner adjustment and compromise the safety of the installation. If you have any doubts about the condition of your glass, it is recommended to replace it promptly to avoid malfunctions. Discover our replacement tips to keep your Gloworm boiler running smoothly.

Custom Capska Glass Inserts for Your Gloworm Equipment

Capska provides custom glass inserts for many brands, including Gloworm. Using our online configurator, you receive an instant quote and precise dimensions for your inspection window. Each pane is cut from high-temperature resistant glass, treated with an anti-soiling coating and ready for installation. Choose from replacement glass, ceramic glass, Neoceram glass or thermal pane options, and find wood stove glass, fireplace glass, insert glass, stove door glass and wood burner glass. Our stove replacement parts and fireplace accessories ensure you source the perfect glass insert for any heating appliance. Installation is simple: remove the old glass, clean the frame and fit the new pane with the appropriate gasket to restore optimal sealing.

Compatible Gaskets and Accessories

In addition to glass, Capska offers a complete range of gaskets for windows and doors compatible with Gloworm boilers. Our ceramic fiber and graphite gaskets provide perfect insulation and minimize heat loss. We also supply specialized screwdrivers, anti-vibration pads and other accessories to facilitate installation and ensure the long service life of your equipment.

Maintenance and Cleaning of Your Gloworm Boiler

To maintain the performance of your Gloworm gas boiler, regular servicing is essential. Clean the inspection window and surrounding surfaces with a mild, non-abrasive cleaner. Check the condition of gaskets and replace them before they become brittle. For more detailed best practices, consult our comprehensive guide on cleaning and maintenance of heating appliances. Well-executed maintenance extends the life of your boiler and ensures safe operation every day.