Good thing about a thatched roof, the loft space remains cool.
Until it catches fire
Good thing about a thatched roof, the loft space remains cool.
Best to find that out before choosing a boiler. There's no point having the 843 if your incoming mains isn't up to running it.Sorrry Muggles dont know the answer to your question !!!
It will, but unless your house is a mansion (in which case a combi is totally unsuitable) you won't need the extra powerWill the Valliant 843 give us more heating output ??
Until it catches fire
I was though, referring also to your beloved cold water cisterns sitting in nice warm lofts this time of year.
Hi All
I am changing my boiler as previous one old and struggled to cope with heating all the rads.
I have had a couple of quotes and decided to go for a valiiant combi however my dilemma is which one should I go for. One of the guys suggested the 43KW the other one says 38KW.
I've seen this suggested a few times but never understood. Given we used to fit 10kw non condensing boilers, the heat input can't make a difference. Why not just set the flow or return temperature correctly to ensure condensing?obviously having been range rated correctly to ensure it’s condensing
I've seen this suggested a few times but never understood. Given we used to fit 10kw non condensing boilers, the heat input can't make a difference. Why not just set the flow or return temperature correctly to ensure condensing?
Why not just set the flow or return temperature correctly to ensure condensing?
Hey, as long as it works and your methods are within the rules i guess it just doesn’t matter
Agree with all that, but i don't see how range rating would help condensing either way.Because the flow temperature necessary to keep the return temperature below the dew point is invariably too low for the radiators to output enough heat.
At least that is the case when the new boiler is installed on an existing system that was designed to operate with a high flow tempe
Agree with all that, but i don't see how range rating would help condensing either way.
I assumed range rating is just to stop the boiler putting more heat into a system than it could possibly dissipate, making the boiler turn on and off, better to operate at a sensible level all the time.
Agree, spot on, the return temperature is the critical thing.ie the power input based on the current conditions of the system, air temperature etc.Surely by ensuring the amount of heat going into the system is correct - and the return on the CH is below the dew point then the boiler will condense - and be running optimally.
Agree but not relevant.During winter and cold snaps many people’s condense pipe’s freeze up because their boiler is condesnsing correctly. Turn the heat right up on the ch and the boiler wont condense = no condense freeze.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local