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Agile would the gas valve blow the 2amp fuse in the main pcb board. I know its not the pump or fan blowing it as ive had the pump disconnected and it still blew the fuse but if i have have the board away from the gas valve solenoid the fan runs so wont be fan. I know its a very old boiler but...

Ok board it is. Any idea how does the gas valve work so i can get a better understanding. Is it just a relay which opens and closes. On the manual diagram it does show the diagram of the bit where the ignition board connects to the gas valve. I've uploaded a pic of the diagram

Yes but the fan is running when you disconnect it from the gas valve so it wont be that. Checked the resistance on the fan and im getting 53 ohm which is fine.

So its the gas valve. How does it work inside. I thought it was just a relay that opens and closes the gas so the relay is always live so how would it short if all terminals in the relay are live? Thing is if i connect the ignition board back to the gas valve but disconnect the fan it doesn't...

Hi i was wondering if anyone can help. I came to use my hot water the other day and noticed there wasn't any power to the boiler. Checked the pcb board and the 2 amp was blown so i replaced it and it blew again. Things ive done. Disconnected the pump to the board and the fuse still blew so...

All.sorted now.was the mixer tap faulty swapped it for a new one and all good now. Thanks

Pipes are secure. Its only when you turn the lever to hot side its banging constantly like a hammer drill. If i open it half way theres no banging but when the tap is opened fully the water slows right down and the drilling sound starts and stays like it untill the tap is closed or half closed...

When the dhw is turn on theres a really loud dilling noise coming from the pipes. Its only on the kitchen mixer tap when turn to hot water. When the tap is opening to half opened on hot its ok but when the tap is fully opened the water theres not much water coming out and a constant hammer...

Just to up date. Ive put it all back in and all working fine now. When dhw in use in not going into the central heating. Just got a small leak to sort it now.

Wot about silicone spray to keep it lubricated as silicone spray is waterproof. The valve is working again so no need to replace it just yet.

I haven't tried opening it yet, but ive freed the valve. I ran tap water from the top of the diverter where water comes in from the heat exchanger just to test which way the water goes in the diverter valve and it was going to the ch flow pipe and when i released the diaphragm it was still...

Thanks for that i will have a go at it. So a good valve should be able to be push in and out with screwdriver? Or wont it move like that?

Also have you got a photo of your little 10mm spanner tool? I will try to replicate it

£150 is too much to spend on a rubbish boiler like ravenheat. I was hoping to rebuild the one ive already got.

Where did you get the complete kit from? Ive got the diaphragm kit but doesnt include the other bits to do the other end of the valve? So i basically need to unscrew the washer looking thing with 2 cut out tabs at the end of the diverter valve and it should come apart? Also should the pin at...

Yeh diaphragm is knackered but it was doing its job otherwise the pin wouldn't come in and out. How would you get to the second bit of the diverter valve? How would you open it up? I can see there is washers and a pin through the holes.

I have a ravenheat rsf 84e. Ive removed the diverter valve as i was getting lukewarm water when the hot water is opened. Also while the im running the hot water rads were getting warm too so i suppose diverter is stuck on c/h. Ive removed the diaphragm and looks ok no holes but the other side...

Hi ive had a good look at it now. At first the boiler wasn't recognising when the tap was opened so i took the micro switch of the dhw and and unstuck it and now its working. The problem now is the when you turn up the temperature for the central heating on the controller it fires up for 30...

Yeh most of the quote was for plastering. I think he was charging £70 extra to render but said if he was to plaster on old render there is no guarantee it wont fall off like it did before so i thought may as well pay the extra £70

Hi didn't. he said render needs to come. He plastered 1 meter high around chimney wall in 2 reception rooms bricked up both firplace too. Hes left a airbrick at the bottom as chimney not in use. Does the chimney need to be blocked off the top? Can i put a paving slab on top of a mortar bed and...