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  1. E

    Vaillant ecotec plus 418. Many problems.

    Gaswizard its a HA property not mine, If i could get if sorted 100% and be able to claim my money back then i would risk what little money i have. Mogget, I have health issues and had to pack up work, yet do not seem elegible for any benefits other than the basic rate. I dont drink or smoke...
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    Vaillant ecotec plus 418. Many problems.

    Time: 22:56, Heating went off 26 minutes ago and its 22.7 degrees C. Even though the stat is currently set to 18. Water is luke warm. Maybe i just need a shoulder to cry on :)
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    Vaillant ecotec plus 418. Many problems.

    Thanks guys, i appreciate that there is not much you can do from a message box and little i can do because its not my boiler. I was hoping you could give me some pointers on what he should be doing and how my system actually works. All he did was turn up the dial on the heating to above that of...
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    Vaillant ecotec plus 418. Many problems.

    Anyone? All he did was turn the heating dial up above that of the water temp dial, well that did something because this morning we woke up with heat but no hot water. The electrical valve was on heating only even though both water and heating were on and the water was barely warm at all.
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    Vaillant ecotec plus 418. Many problems.

    They are not due out until tomorrow and we have just got up to no heat again. It seems like the boiler started up and heated the hot water but no heating, i turned the dial and you can hear it click around 17 degrees, i turned it upto 20 degrees so the heating should be on, but nothing. Its...
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    Vaillant ecotec plus 418. Many problems.

    Well the saga continues, they found a wiring fault upstairs but not very talkative when i question what the problem is. Trade secrets or are they still just guessing? Good news is the pump no longer runs for hours at a time. Yet im still not sure all is well, the temperature seems to...
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    Vaillant ecotec plus 418. Many problems.

    Wired up wrongly upstairs it seems, not convinced everything is working 100% but the pump is no longer switching on when everything is off. I think the pump switched off when the heating was supposed to be on though?? Stat set to 30 degrees so it should have been running, but he was getting...
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    Vaillant ecotec plus 418. Many problems.

    We will see tomorrow, another electrician coming to.. well i wont say fix it, maybe add another fault to the list? Maybe I am just cynical and have my doubt they know their A... from a boiler. I was just hoping someone on here could give me a clue as to what they may have done, I did wonder if...
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    Vaillant ecotec plus 418. Many problems.

    Not microbore. The old boiler was new in 1998. The old boiler worked fine the problems only started when they fitted the new system. I doubt they powerflushed the system when installing the new boiler. Just drained it down and refilled i think. If its switched to hot water and heating then...
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    Vaillant ecotec plus 418. Many problems.

    When i say the boiler i do mean the controls also, not just the boiler itself. The issue is its so erratic, one minute it does one thing then another something else. I just switched the hot water on and approx 20 minutes later there was a loud bang from the pipework upstairs. The boiler was...
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    Vaillant ecotec plus 418. Many problems.

    Housing association, so no costs to me for the repairs. But because the pump keeps kicking in and the boiler keeps firing when not required its pushing my bills up. The issues only appeared after the boiler change, it has not worked properly since fitting. We had no issues with the previous...
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    Vaillant ecotec plus 418. Many problems.

    They replaced the stat and it made no difference to the issues. changing the valve seems to have caused more problems. No difference if we set the temp to 60 or 80+ on the tank. House was built in the late 90's and its warm now with the heating off, TV and computer giving off enough heat for...
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    Vaillant ecotec plus 418. Many problems.

    Yes pump is on 3, Yes pump overrun was set to 20 minutes but it ran for much much longer, over 3 hours non stop with just the hot water on and heating switched off. I manually turned it off after 3 hours. I did woder about the top dial marked with a tap, i switched the lower one off and the...
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    Vaillant ecotec plus 418. Many problems.

    Roomstat just has frost (star) then 10 - 30 with e small thermometer symbol near the 30 no other markings. I set the water and heating temps from 60 - 70 and that makes no difference to the way it behaves. Dropping the afterrun time from 20 minutes down to 5 minutes and dropping the kw from...
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    Vaillant ecotec plus 418. Many problems.

    Siemens RWB2007 and a Siemens thermostat.
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    Vaillant ecotec plus 418. Many problems.

    What would cause the pump to kick in even though it was 3 hours after the water and heating were switched off? Water off at the switch and heating on timed but not due to switch on for another 3.5 hours. Pump switched on and ran for just under 10 minutes, not sure of the boiler kicked in as i...
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    Vaillant ecotec plus 418. Many problems.

    Sorry for the long thread, basic jist.... heating didnt switch off at set temp, new thermo fitted (didnt work) cannot have water and heating on at same time, new valve fitted (didnt work) pump is on setting 3 and runs for HOURS.... even on hot water alone and even when heating and water are...
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    Vaillant ecotec plus 418. Many problems.

    Due to the government puahin up rent prices my housing association now have a surplus of cash and are replacing the boilers with new ones. My old boiler was brilliant everytime they serviced it they said how efficient it was. I found this thread...
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