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Is your boiler losing pressure? I use drainbo

Is your boiler losing pressure? I use drainbo at the beginning of every month and i have had no problems since i started using it on a regular basis. Which says: 'it's rare that we find a heat-only boiler that is good enough to recommend, but the glow-worm ultracom hxi ticks all the boxes for efficiency, low emissions and ease of installation, servicing.

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