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Do-It-Yourself (DIY) Question & Answer Forum
Installing an unvented boiler.
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<blockquote data-quote="Evans Electric" data-source="post: 480121" data-attributes="member: 1408"><p>I believe these things have an expansion vessel either built in or separate ...not sure ... Personally I wouldn't tackle fitting it without sound professional advice .</p><p></p><p>Looking at your Screwfix link I see two immersion heaters , I'd guess the bottom one is intended for Off Peak (E7) supply &amp; the top one for 24hr supply . </p><p></p><p>I'd advise 25mm conduit (black) outside with 2 X 2.5 mm 6242Y cables from your meter / consumer unit position . </p></blockquote><p></p>
[QUOTE="Evans Electric, post: 480121, member: 1408"] I believe these things have an expansion vessel either built in or separate ...not sure ... Personally I wouldn't tackle fitting it without sound professional advice . Looking at your Screwfix link I see two immersion heaters , I'd guess the bottom one is intended for Off Peak (E7) supply & the top one for 24hr supply . I'd advise 25mm conduit (black) outside with 2 X 2.5 mm 6242Y cables from your meter / consumer unit position . [/QUOTE]
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Do-It-Yourself (DIY) Question & Answer Forum
Installing an unvented boiler.
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