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Ok I understand it's easier when you can see it. Where I'm at now. I'm switched to hot water only. I removed the 3 way motor head and pulled up the pin in the 3 way valve. Pre heat and hot water supply work fine. No rads getting hot. When I switch to ch/hw. That's when the problems...

I thought most guys on here are professionals. Surely there not all plumbers. Lol.

Ok so after listening and reading a good few posts. It turns out to be the 3 way valve that's letting the water past. It's had a new actuator/motor fitted. I went throught the sequence of operations. The valve is not returning into the top position when preheat or hot water is called...

720003100 will this 3 way diverter valve repair kit fit a baxi 105e instant? if not can this part be replaced? on the 105e instant?

Can you get a repair kit for this 3 way valve? (Springs pins diaphragms)

Ok here's where I'm at. If the preheat is on it's heating all the rads on the system. Also when the hot tap is on the rads are getting hot. I've just replaced the 3way motor/actuator. Centeral heating works. I replaced the dhw diverted valve earlier this year. And the big diverter...

Yes sorry about that. I pressed new post instead of reply. I've repost it in the original thread. Can admin please delete this thread.

I think I've changed most parts on this thing now. I've just replaced the 3 way motor/actuator. Couple months back the dhw diverted valve and the one behind that?? Added an external expansion vessel. Just after a few pointers on getting the heat exchanger out to clean it out. I've got 4...

Quick update on my issues. Motor was running fine. I've replaced the 3 way motor/actuator and the central heating now works. Hooray. Now my preheat is trying to heat all the rads. Is this the plate heat exchanger passing. Hot water works fine. Any clear instructions on removal please...

Quick update on my issues. Motor was running fine. I've replaced the 3 way motor/actuator and the central heating now works. Hooray. Now my preheat is trying to heat all the rads. Is this the plate heat exchanger passing. Hot water works fine. Any clear instructions on removal...

[/url] Yes I did read them. I did try loosening the large screw. But as soon as I saw water I panicked a bit and tightened it back up. I take it there's a switch in there for the pump.? Is that where the setting 1/2/3 are? Will it just be a dribble of water to come out?

Ok is that just loosening large screw in center to bleed? I've got just the mallet at work shes called the last resort. No 5 copper and hide. Lol. I'm a sheet metal worker/pipe fitter/ welder so have a good selection of knocking sticks.

It can't be any worse than a baxi 105e instant. Ok I'll be getting the system powerflushed and what ever the best cleaning device is fitted. To try and keep it clean. I could also do with a water softener but haven't looked into these yet. No all we do is turn main thermostat right down then...

Hi I've read through most of the links but nothing specific to my issue sorry. When turning thermostat up to start heating the rad light comes on and burner fires up but no pump. The burner only stays light for about 10 secs. What should be the sequence of heating kicking in? Pins in-out?

???

Hi guys I'm after help again. Tried getting my central heating on to run some x800 around system. Turned thermostat up but pump does not fire up. Rad light on boiler comes on and burners light up but no pump? Any ideas on getting this started? I'm hopefully going to get a valliant 837...

Ok looks like I'm stripping the plate heat exchanger down in the near future. How many plates is it on the 105e instant? 16? 21? Any part numbers are a great help please. And for the 4 rubber washer seals. Many thanks. Easiest way to drain down the boiler fully and remove the...

Ok do I just drain boiler down remove and flush out with hosepipe? Any tips on removal ?? It looks tight at the back bottom.

Easy fix?? Replace or remove and flush out?? Any advice welcome please.

Ok I've replaced diverter valve with new one. I've also replaced hot water temp sensor( I had a new one in tool box so thought it can't hurt) I'm still getting some hot water going down the ch pipes when hot waters on. ???