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Maybe I picked the wrong smile then but was being sarcastic here.........not that I am rolling in it like :cry:

Yep checked the modulation, hitting min and max values, undergoes min rate then ramps up in the required time Agile

Its all semantics- you get told there and then whether u have passed- the fact corgi don't officially know for so many days ? what does it matter

Couldn't put it better meself :)

I can't afford £24.99 :shock:

Basically testing on boilers, any1 got any recommendations on where to source meters that have been recommended?

No they don't , they can work under the companies corgi

Yes :lol:

You receive the results of your ACS as soon as you have done them .

Bump- opinions anyone? :)

Well I took the I took the heads of 2 trvs in the lounge and dinng room but boiler still kettling and o/h stat looking boiler out. This is not a hard water area, no scale on kettle at all so that shouldn't be a problem on a HX in a 3 year old boiler. Customer says the system was cleaned...

By abuse I didn't mean chucking it about Softus but obviously a meter that is used on the job and carried in your van/sack is going to get more knocks than one that is kept at home on the shelf for work in a lab type environment.

MY multimeter has just gone T**s up. Anybody recommend a decent one that is rugged enough to stand up to some abuse?

I don't know about the education I just received off you but over here there ain't much difference in labour costs on installing anything from a 20kW to 42kW combi- we were talking domestic boilers - we do not install comercial sized boilers in domestic houses ! Something to do with not wasting...

Thanks for your reply gasguru, understand your reasoning re the size of the bathroom radiator and will check what effect having trv on lfully open on the lounge rad has but this system has apparently worked OK for 3 years so must be something new causing overheating and kettling in HX, either...

bump

Thanks for the replies. There are only 5 rads on this system, the one in the bathroom doesn't have any trv. Looking at the manual I can't see any integral bypass, there is definately no bypass been installed under the boiler. It has run ok for 3 years(since it was fitted apparently...

Bump?? :(

This is not a condensing junior. It was installed sept 04. The HW works fine but on the CH side when a demand is created it takes about 10 to 12 mins to get up to temp( all rads get hot, actually only 5 rads) then kettling occurs in the ~HX the O/H stat kicks in and shuts the gas valve and the...

The boiler was a worcester 37kw cdi - done it now , nice easy straightforward job. Don't why the rating of the boiler should affect your price in the US though?