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3 port y plan for a 30kW boiler is nae good, needs to be an s plan with 2 separate zone valves

room stat fitted and functioning? 22mm gas supply pipe?

yes always use an insert

Scottish government scheme is not the same as warm front......

thats not what you get under the government scheme, its a 7 rad combi system and you can have extra rads for £200 a time or something

its probably a 28kW combi they will be getting, its normally a potterton promax 28 that goes in with the scottish government scheme

thermostatic valve is probably stuck, take the head off and pull the pin out gently with pliers

its an 8m pipe run

have a look at the baxi ecogen

interesting. im fully aware of how respect works, you however have shown me none, and if you knew anything about installing these boilers, you would know exactly why i said what i did.

he probably means cylinder, insulate the pipework at least one meter or as far as practicable from a new cylinder

Look, I realise that people with less than 200 posts on this forum get little to no respect from fellow RGI flavour members. But I strongly suggest you read the installation instructions for an 18RI boiler before you next install one.

:roll:

installation instructions for the 18 and 24 models

The BG guy will have selected the 15RI based on the heat loss of the house that he has to input in the computer the 18RI will need a 22mm Gas supply if theres not one there already

on the pipe, clean the inside of the fitting with a brillo pad type thing, sorted

# Leaving Uni after my first year and getting into this trade is without a doubt the best decision I have ever made. A lot of my friends from Uni are way behind me career and earnings wise

understanding the manufqctures claims is important aswell, ive seen alot of comments on the forum quoting din efficiency levels and comparing them to sedbuk ratings without realising the differences

surely its a well known fact that the design temperature for living spaces in heat loss calcs is 21 degrees

some people seem to place the blame for any unreliable boilers on the original installer, giving the impression that anything is reliable as long as its installed correctly. this is bad advice in my opinion if it were me i would fit a vaillant.