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Hopefully the pump is fitted with its own supply of hot and cold water?

Your local DIY shop will have bleed keys on the shelf Usually air in the system will find its way to the upstairs rads As long as,when bled,it doesnt keep occuring If you find you have to bleed them regularly there is probably a fault in the system

Sounds like the stat. They do go with age (like the rest of us)

I was about to post the same thing. Flue should be 300mm from window shouldnt it? Nice neat pipework too :( Oh dear. If the gas pipe size has been noted by a Vaillant engineer it will invalidate the warranty if not rectified

Have found pcb fault to usually be poor solder joins where the main plug clips in I have before resoldered these and never had a call back Got a few used ones in my shed i have fixed and checked :) Always nice to turn up and get it going quickly

the transmitter is battery powered and detects the temperature. this sends a signal to a receiver box which is hardwired into the boiler/programmer and tells the boiler to switch on/off

Just a thought ...The bathroom rad is off the heating circuit and not the primaries? ie.the rads work when hot water is selected

Was just jesting :)

I have had a few problems ,over the last couple of years,with poor quality ball valves (supplied by different reputable companies) They are brass construction The fault i find is the white plunger ,that the brass arm operates against, sticks against the hole it slides in at a funny angle...

ACL do a remote digital stat that should work

Holy cow! just watched the video Sounds like air that after a while moves itself away from the boiler ,only to return when turned off Need to check for air bleeds

There should be an air bleed in the loft ,possibly within the boiler casing(no experience of model) the bleed can be either manually operated or automatic. The automatic one possibly has been closed by mistake?

Yes you should insulate any pipework if you can.The heat lost in pipework is less heat where its needed The old pipework could be blocked with sludge,but unlikely that bad to not run one radiator Obviously check BOTH valves are fully open and no air in rad :) 21C ! Thats tropical I run mine...

At that angle the rain will get into the boiler too ,wouldnt it?

That looks familiar :)

Any idea what btu output this boiler would be please?or is 366 a range of boilers? I need to add a few rads to the system but want to make sure it can cope with the extra. Sorry i have no other info on the boiler as yet Thanks

Hello, I need to find out which way to install an inlet hose for a dishwasher with an anti-flood device fitted. Its a John Lewis JLDWW 1206 Usually the valve needs to point down(on other machines) but the JL instructions dont mention this. Currently in is fitted vertically up but im not sure...

It takes the best part of a day to do a powerflush PROPERLY It takes at least an hour to set up and remove the machine The machine is a large container with a handle and has at least 3 pipes connected to it .it has a pump in it and can create a fair amount of noise

Is the humming valve also hot when it shouldnt be? Could be new valve if it is

Make sure both valves are open, If they are its probably sludge