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by pmchammer
Mon Jun 21, 2010 10:29 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: do you change hot pipe size when changing to a combi boiler
Replies: 2
Views: 4101

do you change hot pipe size when changing to a combi boiler

can anyone tell me if you need to make the hot supply to outlets half inch when changing to a combi boiler
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