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Hi Much appreciated for the advice - and thanks for spending the time doing that. The diagphram was a genuine Vokera one, but I have to say, I ran the heating for a while this morning (about an hour-ish, and played with the hot taps whilst it was on), just trying to figure this stuff out...

Hi Tony The Resistor was replaced because the RCD was tripping out - if I removed the Resistor, the RCD didnt trip - and to be fair I figured there must have been something wrong with it, if replacing it didnt cause the RCD to trip for at least 3 days. It is looking like the Diverter valve...

Hi I apologise if it didnt sound like I was grateful - and I must admit I thought I'd expressed my thanks on my previous threads, and if I didnt, I sincerely apologise. I have so far been indebted to each and every responder on here regarding this boiler, and again I apologise for not...

Hi All - Back again :-( Follwing last weeks impressive fix of replacing my low speed fan resistor to cure the RCD tripping fault, this week I are be mostly scratching my head again. To my surprise, 3 days after fitting the new resistor, the RCD tripped again. When I switched it back on...

Hmm.. That looks like whats happened before.

[/url] Thanks - I'd got them on my list to call in the morning. It's just occurred to me that that resisitor has been messed with in the past - it has a connector block addes, that isnt standard, so I'm wondering if the previous occupants of this house had similiar issues. oh well...

Thanks - I did think that originally, but tbh, not having the CH or HW working for tonight or tommorow isnt the end of the world Thank goodness for a wood burner and aga. Unfortunately, it looks like the resistor might be hard to come by....we'll see. Neil.

Well, blow me down. Thanks for this - I had a look, and spotted the resistor, and wondered how I could check it. I removed it anyway, and then thought bugger it, I'll see if the boiler pops the rcd without it - and d'you know what - it doesnt! So - new resistor needed - I'll do a bit of...

Hi all I once again have an issue with my Vokera 20/80 RS Flowmatic. For some reason its started tripping the main RCD. Sometimes it'll trip the RCD immediately, sometimes it can take about half a minute or so. Thinking that the problem could be a water leak getting onto a cable, I...

Brill - thanks chaps. If you could forward on some contact details for any of these guys, that would be great. Cheers Neil.

No - its SG18 - a little village called Edworth, just south of Biggleswade on the A1. LU isnt far away.

Cool - do you have any contact details?

Can anyone recommend anyone in the herts/beds/cambs area that KNOWS these boilers (on LPG) and can carry out stuff like this? neil.

Dont say that! perhaps I should listen to my head a bit more and just get a new, more efficient boiler. oh well - Thanks for the reply!

Hi All I have the above boiler, which is a clonky old thing, but short of a few minor repairs is pretty reliable and I now seem to be a bit more "at one" with it! Unfortunatley, last night - on the coldest night of the year so far, it decided to sound like a jet plane from the outside, and...

Thanks Tony. The pin moves freely enough in both directions - actually, if you turn on a hot tap, it'll have no problems giving HW, but once you close the tap, the pin doesnt go back (without pushing it yourself) into CH mode. Neil.

ah, o.k. thats a bit of a b***er. a new diverter valve is around 102 quid. needs must I suppose - I'll hang on a wee bit before hitting checkout on the parts, just in case...

Thankyou for your swift reply. T0002 parts list is a bit wierd - some diagrams seems to suggest it comes with the diaphragm, some doesnt - either way I might as well do the whole lot - it hasnt been done since I've live here (4 years). I've had a read of the vessel pumping and will give...

Hi Forum, I've been a regular reader, but never a poster on this forum, and I'm now hoping one of you knowledgable folk can help. Basically, I have a fairly ancient Vokera 20/80 RS flowmatic combi boiler. I have the following faults: Diverter valve doesnt switch automatically between...