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D_Hailsham, thanks for your reply, apologies for nearly a month in coming back. Household taken by various bugs! Parameter d0 for adjusting down the boiler maximum output. Got it. Is it worth adjusting, however? The boiler adjusts its fire up and down based on need, so presume it would...

Hi, House is reasonably large, tho not huge, however it needs some serious improvement on the insulation front, however, front wall is single skin 9" brickwork about 15m long over two stories, with 9 1.4m tall by 1m wide draughty single glazed windows. Remainder of walls are 1950s unfilled...

Ah, further reading suggests I need to aim for a return temperature below a certain level (maybe 54oC) to gain the efficiency of condensing, is that correct?

Honestly, I don't know (which is why I'm posting here asking questions of the experts), the answer may be minimal, but one assumes, however, there's a reason for fitting something adjustable between flow and return, vs a straight pipe (all be it smaller bore than the 22mm)? I thought I'd read...

Is that not what a TacoNova Setter is, a gate valve with a flow rate meter on it? I assumed so in the OP, along with enquiring about minimum flow rate for my particular boiler (my understanding is that closing the gate valve too much would mean too low a flow through the boiler when in...

Bypass - I have reason to believe it's been heavily fiddled with by previous owner (screw somewhat chewed up), and was broadly open when we moved in. This, I think, means a lot of hot-water being dumped into the return to the boiler, reducing the differential and thus the overall efficiency of...

Hi Folks, Apologies, long post, in an attempt to provide as much information as possible up front. I recently moved house and have inherited a heating system which appears to have been reasonably well installed (by British Gas), but has suffered, maintenance wise in the last few years...

So, 9 CM or so drop - should be just about doable! ta!

Basin will be mains fed (Combi-boiler for the hot tap). I shall google rodding eyes directly.

just bumping myself to the top incase others have advice... []hmm- appears I have two accounts! I shall have to resolve this![]

Hi Folks, We live in an old (1913) house, which has had a loft-bedroom from new. We're soon to begin a refurb of this loft room, as part of which, we'd like to install a basin (no space, or real desire, for a full en-suite, but a cloakroom sized basin will be useful). As we recently had...

Hi Folks, well, BG visited today, thought i'd post the comments and quotes I recieved here, for comments. Also see piccies posted above if they help at all? Pressure Pressure test showed about 2bar / 17l/min when only the outside tap (where tester was connected) was running, dropping to...

Pics of existing CH and DHW system: http://nerub.byethost16.com/64shottlane/ch/ if people have any comments?

Is the pressure/flow something BG would do on an initial visit?

Hi Folks, We've just bought a new house, in which eventually we'd like to redo the bathroom & attic bedroom (both places where the water tanks are stored for the CH system), ideally without these tanks in place. Our initial intention was to move in with the CH system as-is, and have the...

Turned out to be some kind of water switch, all fixed now and we're toasty warm again!

Hi Folks, Quick question. We have (in our rented house) a gas fired central heating and water (Potterton boiler, in the kitchen), and until recently all seemed well, though the upstairs was always a lot warmed than downstairs. This evening, however, I noticed none of the radiators in the...