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Deleted member 112031
I have an economy 7 boiler which has two temperature controlled heating elements. After 15 years they were replaced as they had started to heat inefficiently. Unsurprisingly they were covered in limescale.
I replaced them with new elements. The off peak element was placed on just over 50 degrees but kept on needing a reset so it was reduced to 45 degrees. After 6 months it blew up and the element needed replacing. It had split open and the fuse also blew.
I replaced both the elements with chrome elements. Same thing has happened again with the off peak element.
I am puzzled as to what is causing this and I am loathe to spend hundreds of pounds replacing them again.
I have one theory. My eco 7 off peak stays on all over the weekend. (Pls don't ask me why.) I think maybe that the element doesn't like staying on that much though I don't know how often elements check the temperature. I think that maybe the temperature control is malfunctioning meaning it heats up beyond what the temp is set at and then needs resetting as in the days before they blow it needs resetting a lot.
During the recent heat wave I hardly had it on and it was fine. As soon as it turned cold and had to some significant work it blew.
What can I do? Is it the electrics that are causing the problem and if so what action do I need to take.
The previous elements lasted for 15 years and worked great for 14.5 years without issue so I am puzzled why these new elements are breaking so quickly.
Thanks for any help or suggestions!
Rich
I replaced them with new elements. The off peak element was placed on just over 50 degrees but kept on needing a reset so it was reduced to 45 degrees. After 6 months it blew up and the element needed replacing. It had split open and the fuse also blew.
I replaced both the elements with chrome elements. Same thing has happened again with the off peak element.
I am puzzled as to what is causing this and I am loathe to spend hundreds of pounds replacing them again.
I have one theory. My eco 7 off peak stays on all over the weekend. (Pls don't ask me why.) I think maybe that the element doesn't like staying on that much though I don't know how often elements check the temperature. I think that maybe the temperature control is malfunctioning meaning it heats up beyond what the temp is set at and then needs resetting as in the days before they blow it needs resetting a lot.
During the recent heat wave I hardly had it on and it was fine. As soon as it turned cold and had to some significant work it blew.
What can I do? Is it the electrics that are causing the problem and if so what action do I need to take.
The previous elements lasted for 15 years and worked great for 14.5 years without issue so I am puzzled why these new elements are breaking so quickly.
Thanks for any help or suggestions!
Rich