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consult the manual most boilers need a set amount for heat to be removed from the low water content heat exchanges most boilers have now days, ie a very small radiator under it. This is primary to stop the heat exchanger getting too hot and suffer problems. As long as the required heat...

probably a tap dripping somewhere that can trick some boilers to fire up or the dhw flow sensor is broken and thinking there is a demand and cycling the boiler on that. As to test and work on the sensor in question requires the combustion chamber casing removal get a RGI to visit it be a...

this is something to ask in the CC forum part follow the link to get setup there you need your Gas safe id http://www.diynot.com/forums/viewtopic.php?t=114690 But have a look at how the process works fan aps gas valve. Only parts a Gas safe engineer should tamper with

you probably had a eaga install if it was a grand so they would have either installed a icos system with a internal pressure vessel or a normal icos with a remote vessel or tank in the loft. one of these may need to be toped up/filled with water this could affect the speed in which you get...

There are many mira showers need more info pic ect.

Wireless stats need a perm live, only way is to remove the timer at the boiler and install a wireless timer/room stat system and make the common/live perm. and add a link from perm live to common on the new stat. Also not all stats run on 230v it could be a low voltage version mechanical stat.

you may have another that may also have a fault with it, moving the leaver a few times can make a possible stuck micro switch inside the head pop back out. this is only a temporary thing to turn it off until there is a demand. From the sounds of it you may need a new 2301 head but i advise...

the Icos has no pump control unless its the system type which has the pump inside. So you system is at fault due to a Motorized Valve (the box connected to the brass bit near the pump) either 3 port or 2 port, this will have either a metal leaver or a plastic one on one side that u can move...

The way a coal bed is setup on a fire is designed by the company that makes the gas fire to give safe and correct flame. Consult the manual and call the supplier of the fire in presence of a RGI as tampering with the coal bed on a gas fire even placing coals in a bad position can cause a safety...

This problem sounds like you may have a blocked up plate heat exchanger and may need it cleaned or replaced. but can also be the stats or Diverter valve. Provided the CH is running good. Best bet to get a RGI out to check the boiler out as its not something i would recommend you work on.

Sadly if it is lead it will need to be replaced and the line may not be connected to the gas main, since the main may of been replaced and never had a feed put in to your property. To have the pipe reconnected will cost you alot. Best option is to call national grid or any supplier (most...

The problem is not something you can fix you will need a gas installer around to check, but you need to see if the fan runs simple test is a demand and the noise of a fan. The sounds you are reporting could be the boiler trying to ignite if the fan is running (check if the gas is on not...

yes indeed - but it wasnt a comment on them using x yz brand it was a comment saying they are using visemen board which has been tested alot more on their appliances

You all ramble on about them but the logic is WAYYYY better then earlier models. They have the visemen pcb on the boiler the visemen wireless timer/stat and other parts. The trails of them have returned little problems and they are more like vaill or glowworms in the simple hard wearing...

there should be a pipe from the boiler that runs to the outside which is your pressure release pipe from your prv it could be the guy you had out used this to drain your boiler. Check it by seeing if the pipe has water inside it outside. If it does he probably used the prv to drain it and...

All i would advise you to check with the vise boiler is - is it one of the makes that is affected by the gas valve leaking issue that they have put a bulletin out for in europe but not uk atm.

firstly check if the mixing taps are made for combi boilers some are not that may be why its failing, also the mains is a higher pressure then the dhw supply due the fact it has all the boiler to work its way through. A way to resolve it is to install a combi approved mixing tap, replace the...

something like that

no it should have 240 v to the receiving unit

if not then id not run around and panic, have it regulary serviced at the same time they can check to see if it needs changing and put some money aside for a new heat exchanger. I would advise instead of spending loads on BG covers and such put aside 500 pounds for boiler parts and you should...