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I was told by viessmann on there training course that the inserts were there so that you can really wind the compression fittings tight and not distort the copper. But yeah never use solder fittings on solar.

Viessmann send compression fittings for this reason but with copper liners to put inside copper tube :shock: so you can really tighten the fittings up.

yeah sorry i missed read the above post. at this point id be ringing ferrolli technical. They will only speak to you if you are corgi reg tho im afraid.

i had one that was doing the same and i swapped the thermistors (NTC) and all was well. they come as a pair so make sure you swap both CH and DHW NTCs.

you can run flues just as long as a non condesnsing boiler. It all depends on which model you chose as they all vary. The smoke you say that comes out is attually steam, only problem they really cause is with the passives on sercurity lights (they turn them on). You really need to have a...

this is why it is very important to size your cyclinder and the amout of collectors you need. Even when sized correctly it still can be a problem tho i admit. On mine once the panles have got to 120deg c you can divert the heat to another source via a second pump. You can either pump it to a...

i wouldn't advise an open vent solar system. I know there are some out there but it is far more safe when they are sealed. Some solar panels can reach well over 200deg C in a sealed system when in stagnation. Glycol starts to boil at 140deg C in a sealed system so if it is open vent i can see...

i believe this is a problem with many combis on the market. This was a job Wolf boilers passed onto us as they sold this guy the boiler to do this specific job. They reckon there boiler is one of a few that is capable of taking pre heated hot water and if it only needs rasing 5 deg c then it...

In mid summer the sun comes up at approx 5am so with 3 hours early low sun shine it could have a chance of being warm. even if it isn't warm it is less work for the boiler to do. The facts are it cuts your yearly DHW energy bill by 50% to 60% on an average family home here in the UK.

they must of either ripped me off then or dropped there prices recently. They wanted to lower there prices. i also found the kane 400 a bit numb as i had to press really hard on the buttons to get them to work. I wouldn't have another kane as it needed repairing everytime it went in for Cal...

you need quite a well insulated cyclinder to start with. It you are going to pre heat the water feeding your combi then it will have to be a unvented as it will be mains pressure. I installed a Wolf combi onto a solar system that was preheated via a unvented and it works fine. If you are going...

i use the regin premier manometer. It goes upto 45mb and has the very expensive blue fluid in. It is very easy to see and no cal needed. It is very hard to loose the fluid in it so very rarely need topping up. you can tip it upside down and the fluid won't come out. It was quite expensive...

yeah thats right but kane charge £180 regardless of what is wrong with it where as £45 for anton cal + a little extra for the cells if required

and not do the boiler much good.

i had a kane 400 but i was sick of the high cal fees. So i went for the Anton(telegan) sprint 200. £45 to cal every 12 months so that isn't too bad. Plus o2 and co2 cells every now and again would be a little extra. I shopped around the anton seemed the best Also i have noticed the Sprint...

1st does the boiler fire up. 2nd what sort of system have you got s plan y plan w plan 3rd is the pump running.

:oops: not sure how i missed it cheers

off the topic a little but can someone give me alink for the part L regs for working out your points to see if you can put a non condensing boiler in. I found the web site once but i can't find it again.

i have had that one too. Terraced house with existing BBU just always comes to 990 lol

the way that flue dips up and down it will hold water so no wonder the flue is dripping. in fact i bet it is sagging with the weight of the condensed water. I don't know how they can look you in the eye and charge you £x amount for that. What is is with BG using Glow worm boilers as well. i...