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I have a new Broag Avanta boiler and want it installing in the loft space with the flue going through the roof. (access to the roof is made easier by a flat kitchen roof below though would still need a roof ladder. I have all the parts so cost is labour only. The loft has a fold out ladder...

I need a connection for the non-trv side of a radiator but the exit is straight down not out to the side. Will this work http://www.screwfix.com/p/chrome-c-x-mi-male-coupler-15-x/67110 I'm not sure if it's the right size to screw into the radiator. I will have to pick up the bits -...

It seems a bit of a mystery what consists of a good or bad job for flushing a CH system before installing a boiler. I believe british Gas have a machine to flush the system but they charge 1-2K more than my local inataller to do the job so it's a premium I'm not going to pay. Also I...

What is the difference between a good and bad boiler install? i.e. what should I be asking my installer if he is doing/using? Also what is people's experience of poor installs leading to faults - what goes wrong and why? is it always sediment in the pipes?

Just wondered if anyoen had recommendations for a good price other than general scouring of the inernet? 28c is what i'm after and probably the ECO model though would depend on the price diffference to the normal 'plus' model. thanks

OK was thinking of going for a Broag Avanta Eco 28 combi boiler. Price is 574 delivered from ebay but comes top of the list (cheapest) for cost over 5 and 10 years according to my calculations (based on expecting a gas bill around £800/year with a condensing boiler) It's 300mm deep, I...

Just wondering if I scrapped it if it was worth anything?

Or is it sufficient if it has outlets for condensate and the flue?

I can't find any info from Bosch which of their boilers have/don't have a stainless heat exchanger - does anyone know?

I was reading through the Bosch literature and for the CDI boilers it states it condenses HW and CH water inferring that their other boilers condense CH water only? Is that true, do most boilers condense CH water only? If so I guess HW efficiency would be 70-80% and Ch water the 90% quoted...

I notice you can buy a 100% efficient gas fire e.g. http://www.screwfix.com/prods/52398/Heating-Cooling/Gas-Fires/Focal-Point-Cheshire-Contemporary-Flueless-Gas-Fire How does that work then, does it need a chimney?

I'm going to get my old boiler/HW tank replaced with a combi boiler and the installer mentioned he could put the boiler in the loft. I've been thinking about this a bit more and since it appears there is little/no benefit in terms of heat output of having a modern combi boiler in the kitchen...

I'm looking to replace my 20year old heating/water system with a combi and wondered if the external temperature compensation is worth getting in terms of comfort/performance or energy (cash) saving? IIRC it's the veissman that has it and they say it's worth 2% on the SAP rating but I can't...

I'm trying to decide what boiler to get, the only one I've seen with a seperate HW control is the Bosch XXsi. Would this be as useful as I would think, set the water to a good temp for washing your hands and washing up for no more scalded hands? Any other thoughts on this?

Will a 28kw Boiler use more gas than a 24kw one if I'm using less than 24kw. I'm just thinking of having a boiler installed and a larger one may give extra capacity to heat a garage or loft in the future (not needed now) but if I have a larger boiler will it use more gas (or maybe even less)...

Would I gain anything in having a condensing combi boiler in a room I want heated or will it cost no extra gas to have the same boiler in the loft?

I'm sure i've seen a list starting with te most efficient boilers listed in descending order - does anyone have a link? What is the most efficient boiler available (%) SEDBUK or SAP

I have a 9-10 foot lintel over my 7 foot garage door. The reason I got the lintel was to provide some support to the top of the walls at either side particularly as 1 wall carries a lot of weight/twisting due to a very heavy door. I don't think there's much movement in the wall though...

How do I get the strongest concrete mix - Is there a stronger mix that the 'strong mix' on the bag? If I mix concrete with water only will that be as strong as possible? I also need to drill through whatever I make so can't have it diamond like...

I'm rendering a wall with a concrete and hydralime mix plus concreting in a lintel above a garage door - the lintel sits on top of a concrete block wall. The problems are the lintel got knocked (upwards) by the door - didn't think I hit it that hard and it seperated the lintel from the...