"Andy Hall" wrote in message
...

- The NG input is 199,000 BTU in deprecated units, or 58kW. This is
virtually the entire output from a domestic supply, leaving no spare
capacity for anything else unless a commercial supply is installed.

Two Glow Worm 30cxi combis will give 24.6 litres/min @ 35C temp rise and
consume 198 cu foot per hour. And the cost of the two? £1134.92. Great
value, and great performance. Fill a large bath in about 4 minutes.
















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