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The Vaillant is fully modulating, so from your responses it doesn't seem that it should be any less efficient. I'll go for the 837 just to make sure there's enough HW flow (two young kids that need baths). Thanks for the info

I'm getting a Vaillant ecoTec plus boiler, but need to decide on which model. I live in a 3 bedroom semi and I'm in the process of adding a 44 sqm single storey rear extension. I have heard that a boiler which is overpowered is less efficient when heating a house because it cycles on and off...

Cheers Dave - the reliability word does it for me every time.

Needs to spec a combi for our plumber to install. We live in a three bedroom semi, with one bathroom (we may get a 4th bedroom in time). The Vaillant ecoTEC plus 837 has caught my eye, as it has a good HW flow rate, a stainless steel heat exchange and a 2 year warranty. I can get one for...

I used the term 'friend' in a very loose way - it is in fact the builder! All work is being done under a building regs notice, so this should be picked up from what has been said. I was just interested to get other opinions on his suggested approach and whether the new bog will actully work...

We are having a new WC put in. The drain for it ties into the existing drainage for the house (under a manhole on the drive). A friend has advised that we won't need a SVP for this new WC (ground floor) as there is already one in the house serving the upstairs WC. However, the upstairs WC is...

The boiler has a Honeywell frost thermostat fitted on the wall above the boiler. I've just taken off the cover, it's set at the lowest temp (which is 5 degrees - no wonder it cuts in!). You have a good point about insulating the garage. The boiler is under the eaves, and there is a fair old...

Following on from another thread (whether to get a combi or not), I have another query that I'd appreciate your thoughts on. The boiler is currently located on an external wall in the garage. We're just having an extension done, so I have the opportunity to re-locate the boiler into the new...

Thanks for all the responses. We had a Vokera combi (already fitted) in our last house which worked very well. That was except for when the diaphragm went and a local plumber charged me £80 to replace it (a bit annoying when the part only cost £2.73 and he took five days to do the job, but...

I currently have a traditional vented system. I'm replacing the old, tired boiler on the grounds of greater efficiency. I'm planning to go for a combi, unless there are any good grounds not to? If it helps I live in a 3 bedroom semi with one bathroom (shower over bath). We may get a 4th...

Thanks for the responses. You are are absoloutely right RC, I am the customer, so I shouldn't be afraid to spec what I want (but I feel like I'm being a pain the bum!). Considering your advice Noseall, a plasterer lives in the street who has done work at other neighbours (good quality). I...

Hi I'm having a single storey rear extension built at the moment. I know the builder is intending to use D&D, as opposed to traditional plastering. I'm not keen on D&D for a few reasons; 1. It doesn't feel very solid 2. I've got to fit kitchen units to it (or through it!) 3. Poor air...

Thanks for the response. They do supply a flat roof version with an upstand, but it's not that attractive (IMO). It also costs three times as much as a normal velux....

Can anyone tell me why this happens? Is it because the window and it's seals leak, or is it because of the flashings? The reason I ask is because I'm trying to find an affordable solution for the extension we're having built (12 degrees roof). The 'flat roof' velux windows are all well and...

I've got the builders in at the moment doing a single storey rear extension. I'm probably the worst kind of customer, because I like to keep a check on the work. :oops: I'm becoming increasingly anxious about the quality of their work. For example: - the wall ties aren't well bedded and...

Thanks. I've already done that and as you say, there are loads! What I'm after is some recommendations based on first hand experiences, looking at criteria such as price, ease of fitting, quality etc. Thanks

Hi We're having an extension done and are having some roof lights put in. The issue is that the pitch of the roof will be around 10-11 degrees. I see that Velux do a flat roof velux, but it's not the most attractive solution (in my opinion). Are there any other alternatives out there...

Thanks for the suggestion - I've removed and cleaned the spray arms, and the associated pipework that feeds the arms. There were no blockages and the problems still exists. If it helps, it's the top spray arm that's not rotating very well, which I'm still assuming means low pressure... Do...

My 4 year old Bosch d/w hasn't been cleaning the dishes very well recently (eg. a residue is left behind on plates and things aren't that clean). There's water in the machine and it gets nice and hot. What I did notice today was that the spray arms don't seem to be rotating very well - if I...

I'm doing an extension in July. The roof will have a pitch of about 13 degrees. The lowest angle tiles I've been able to find are 15 degrees. What are my options? I've heard that if you marine ply and double felt the roof, building control are OK with you fitting tiles that aren't at the...