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<blockquote data-quote="binky" data-source="post: 471024" data-attributes="member: 490"><p>OK, as my opinion, there is no need to introduce RCDs for changing the heaters - this consists of replacing items attached to a cct and not the cct itself, which is maintenance. However it looks like you have a dual rate single phase meters which does off-peak and on-peak metering, so a single board is not a problem. It also looks like you have dual supplies at the wall, so what you can get these days in storage heaters with an additional boost heater built in. This would give you the benefit of off-peak heating with the ability to boost room temperatures in the evening if needed, overcoming the worst fault of off-peak only NSH. Panel heaters look nicer, you can get some with pretty pictures on them even, but they are not the panacea they are made out to be by advertising bumpf. Whatever you get, a built in timer is a good idea.</p><p></p><p>As for the boards, they are getting a bit old, so replacing them might be a good idea, but it is not essential.</p></blockquote><p></p>
[QUOTE="binky, post: 471024, member: 490"] OK, as my opinion, there is no need to introduce RCDs for changing the heaters - this consists of replacing items attached to a cct and not the cct itself, which is maintenance. However it looks like you have a dual rate single phase meters which does off-peak and on-peak metering, so a single board is not a problem. It also looks like you have dual supplies at the wall, so what you can get these days in storage heaters with an additional boost heater built in. This would give you the benefit of off-peak heating with the ability to boost room temperatures in the evening if needed, overcoming the worst fault of off-peak only NSH. Panel heaters look nicer, you can get some with pretty pictures on them even, but they are not the panacea they are made out to be by advertising bumpf. Whatever you get, a built in timer is a good idea. As for the boards, they are getting a bit old, so replacing them might be a good idea, but it is not essential. [/QUOTE]
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