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Central Heating & Storage Heaters Forum
Some Views On Fault Finding Procedures.
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<blockquote data-quote="ProDave" data-source="post: 387494" data-attributes="member: 6969"><p>The normal arrangement is the bottom heater to be fed direct from the off peak CU so it comes on whenever the cheap rate is on, no need for a timer. Then the boost heater via a timer from the normal CU.</p><p></p><p>Had that been what you had, they would be completely independent and the boost heater would still have worked so there would have been hot water available to keep her going while the bottom one was fixed.</p></blockquote><p></p>
[QUOTE="ProDave, post: 387494, member: 6969"] The normal arrangement is the bottom heater to be fed direct from the off peak CU so it comes on whenever the cheap rate is on, no need for a timer. Then the boost heater via a timer from the normal CU. Had that been what you had, they would be completely independent and the boost heater would still have worked so there would have been hot water available to keep her going while the bottom one was fixed. [/QUOTE]
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Some Views On Fault Finding Procedures.
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