So. The boiler is a Combi which is placed in the loft and was installed in 2005. The meter is by the front door
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There have been too many posts which are uninformed, misleading and/or not helpful or relevant to the OP.
They have been deleted.
OP: Your information suggests 15mm was always much too small.
Let your installer calculate it. They will take into account any other appliances. Mod.
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There have been too many posts which are uninformed, misleading and/or not helpful or relevant to the OP.
They have been deleted.
OP: Your information suggests 15mm was always much too small.
Let your installer calculate it. They will take into account any other appliances. Mod.
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Last edited by a moderator:
