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thanks for advice ppl. i'll get some quotes on the Main\baxi\performa etc.Is it worth looking at a Glowworm Betacom too?. Chr1s - I've been real busy, passed my ACS, unvented (again),another NVQ3 etc and now earning better money :), hence i am spending some (not to much) on my rental house.

can you recommend a decent (reasonably priced) fuseboard, the current board is a 5 way unit and i need to add kitchen ring, so only need an 7-8 way unit max. (i'm guessing that it needs to have double rcd's fitted to comply) anyway any advice on a board will be a great help. cheers

Thanks for reply. I'm only buying Molex/crabtree\mk stuff (or any other branded stuff, screwfix catalogue comes in useful). Take your point on the fuseboard thats why i asked, I'll get 'decent' one then. what's the requirements of BS7671, i had a split load Volex installed in my own...

I'm currently snapping up stuff on ebay for a new kitchen, i'm having it rewired by a pro but i'm sourcing as much as poss myself. so can any one give some advice on the following. * Do i need to buy dp switched sockets or are sp ok? * Has the kitchen got to be on a seperate ring to...

are those prices inc VAT?, i cant find a Main for less than £520. anyone know of any suppliers?

cheers guys. Namsag - the part costs you quoted were for a Main 24HE? if so i think thats the one:)

All to confusing!!! Right.... you have just lost your gas/plumbing job and your boiler has just exploded all over the kitchen, you are down to your last £550 and need heat, which combi boiler would you buy? ps. you need the boiler to last as long as possible as you have just been...

is the viso discountinued?, seen this one http://www.discount-heating.co.uk/acatalog/Heatline+C24B+HE+Condensing+Combi+Boiler.html

Heatline 'Caprize' 25 is suiotablly priced. yeah or na, cant find a viso.

I will be renewing the entire system, so no blocked secondary/plate HE's here. I've done a search and Biasi comes up alot, so at mo your confirming what i've read

I might be a cheapskate, but the BBU in the kitchen is far more dangerous than my tight wallet!

well i cant afford a worcester or vaillent, so its gonna be a 550 quid box of 'tat', I'll get a band B as it will probably be more reliable (being a converted band d boiler) just asking weathe i buy an Ariston, Main, Biasi etc..? so i need... the best of a not so good bunch 500quid...

Performance not really an issue (rental property) reliability is the more important factor. looking at either a Main 24HE or Biasi Riva 24 or 28 HE, which one do you pros recommend? cheers.

maybe wrong but is it not advisable to pipe the primary flow and returns in 22mm (min) to aid in heat removal from heat exchanger on shut down (when the 'pump overrun' is operating)?

.........and if you do could you tell me? cheers.

nice one seanhear :) but.............. output / input kW GROSS X 100 still equals 100% efficency though :? I get it :D its output NET/input gross x 100. cheers mate :wink:

cheers lads and why is it a higher efficency with the lower flow and return tems?

how can a boiler output be higher than its input :? Talking about a Worcester Ri15 max heat output net 40/30* = 16.06kW output 50/30 = 15.92kW output 80/60 = 15.00kW max rated heat input net = 15.40kW.

My mate needs a cheap combi for a 3 bed, 1 bathroom house, hes thinking of going for an Ariston Microgenus HE28 any other recommendations or advice? and no I'm not fitting it :wink: cheers

yeah i know why you have to incorparate a motor on\spring return valve for unvented but i am wondering about the Santon relay that the MI says you need to use when using a 3port and a 2 port valve but not when you s-plan it. What does the relay do that wiring a 2 port in series with the...