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The Glow-Worm Energy 12S is a high quality, ErP A rated system boiler. Lightweight, compact and easy to install, the Energy 12S has an automotive quality heat exchanger for a boiler that’s efficient, reliable and simple to maintain.
• Rear flue option for flexible siting
• Fits in a standard kitchen cupboard
• Heat exchanger cleaned easily by simply flushing with water
• Patented 4 sided cooling reduces the stress on the heat exchanger for longer term reliability
• High efficiency modulating Grundfos pump that adapts to heating and hot water demand for lower energy consumption
• Bright LCD display with clear information controls
• Ultra-quiet operation approved by Quiet Mark
• ErP A rated for efficiency for lower energy bills
• Compatible with Glow-Worm’s range of intelligent controls and hot water cylinders
