![]() ![]() ![]() ecosave ecosave is a direct replacement for grasslin qe7 economy 7 timeswitch the grasslin ecosave user friendly, energy saving economy 7 multi- tariff central heating timeswitch is a quartz- regulated hot water timer with internal rechargeable battery giving a running reserve of 72 hours ( 3 days). i was asked about economy 7 heating and due to me having experience with destroying an e7 heating system a few years. ![]() if the economy 7 quartz is to be connected to a ring main then the spur feeding the controller should be protected in the same way. Economy 7 quartz manual By x0s3o76x Follow | PublicĪ: it depends on the size of your tank and the economy 7 rates you get, but generally it is cheaper to heat overnight if you are on an economy 7 tarrif. ![]()
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