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Hot water tank thermostat problem
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<blockquote data-quote="Roderick Smith" data-source="post: 412309" data-attributes="member: 27315"><p>Thanks guys for your answers, If heavy handed is the problem then hands up. Did not touch the dial from its factory setting until after it got scolding hot though. Then turned dial to lower the setting, but thanks will replace.</p><p></p><p>We do not use the electric immersion due to having oil boiler but have had lots issues and needed a quick fix hence turning the electric on, going bang, changing, very hot water etc etc.</p><p></p><p>The exterior thermostat for the oil fired boiler seems to be located near to the bottom of the tank. The fitter said the wireless was not working so put an electric cable through from the junction box to it. As we kept having issues with the hot water coming out too hot we decided to change the thermostat. in doing so we noticed although it was a 4 core cable only 2 were used the other 2 were cut one was grey the other earth. on tracing back to the control box we could see all 4 were wired in. So very unsure about why they had done this. does one cable not tell the boiler it is satisfied? recently the plumber fitted a new pump but did notstayand hasn't been back yet. For some reason the pump stays on 24hrs a day even when all heating and water are timed off. We have had to isolate the boiler in middle of night due to it burning even though everything is off, this only happens when we use the hot tank in b&amp;b bathroom. it seems the tank has been constantly calling for more heat even when all the timing gear is off! </p><p></p><p>Appreciate your Time in reading and responding, many thanks</p></blockquote><p></p>
[QUOTE="Roderick Smith, post: 412309, member: 27315"] Thanks guys for your answers, If heavy handed is the problem then hands up. Did not touch the dial from its factory setting until after it got scolding hot though. Then turned dial to lower the setting, but thanks will replace. We do not use the electric immersion due to having oil boiler but have had lots issues and needed a quick fix hence turning the electric on, going bang, changing, very hot water etc etc. The exterior thermostat for the oil fired boiler seems to be located near to the bottom of the tank. The fitter said the wireless was not working so put an electric cable through from the junction box to it. As we kept having issues with the hot water coming out too hot we decided to change the thermostat. in doing so we noticed although it was a 4 core cable only 2 were used the other 2 were cut one was grey the other earth. on tracing back to the control box we could see all 4 were wired in. So very unsure about why they had done this. does one cable not tell the boiler it is satisfied? recently the plumber fitted a new pump but did notstayand hasn't been back yet. For some reason the pump stays on 24hrs a day even when all heating and water are timed off. We have had to isolate the boiler in middle of night due to it burning even though everything is off, this only happens when we use the hot tank in b&b bathroom. it seems the tank has been constantly calling for more heat even when all the timing gear is off! Appreciate your Time in reading and responding, many thanks [/QUOTE]
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Hot water tank thermostat problem
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