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Thanks, I will buy them. Any particular make/model? I believe I need 1 x 15mm 1 x 22mm 2x 28mm (one located behind the cylinder) Plus there's one that is 15mm (looks like the top of a garden tap, not sure on name!) with I may as well replace for peace of mind...

The one supplying the shower (cold) is broken and stuck on closed. Not sure I fancy that.

New boiler, pumps, valves and HW cylinder + MagnaCleanse Flush and filters

Because for the job they are doing, the online boiler outfits (heatable, box, iHeat) are all £800+ cheaper our than local fitters. It also allows us to take advantage of interest free repayments which local fitters don't offer.

We've got one of these online boiler companies coming to fit a new boiler and hot water cylinder. They won't consider any other work (I have asked) but they all work with subcontracted engineers and I am hoping when they arrive I can offer cash in hand for all 5 of our gate valves to be replaced...

Thank you. Is there any benefit in 25KW vs 18KW - they are the same cost but I was thinking 18KW will be more efficient.

Our water flow is 12L/Min & 2 Bar - not enough for a vented system I have been told and borderline for a combi.

We can get a 418 Eco Fit pure. Is yours an open system?

Minimum is 20L/Min for unvented and 10L/Min for combi. May not be ideal though, I agree.

Unfortunately our flow is 12L/Min which rules out an unvented system unless we pay for accumulators etc which is almost doubling our quotes. So we can either stick with unvented and get a new standard boiler + cylinder + shower pumps or switch to a combi....

14KW I believe (Glow Worm 50BR MKII - 1977). It's fine I guess, the house can get to temp when desired but can sometimes feel like it takes a while (usually wake up at around 15/16 degrees in winter and get it to 18/19 in a couple of hours). We tend to just boost for a few hours a day when cold.

It's a Glowworm Space Saver MKII - I believe it's Max output is 14.65KW looking at the Manual. And Max input 19KW

We paid someone to do it so I assume it's decent. They say "your maximum heat requirement on a very cold day (-4.6°C outside) is approx. 8kW" but this would be undersized according to every quote we've had.

Finally decided to replace our non-condensing boiler and decided to stick with a standard heat-only boiler and maybe get a new hot water cylinder with it. The question we now have is what size to get? We are 4 Bed Detached with 13 Rads (old & single panel). Our total heat loss is 7.76 kW and...

I’ve got a yellow Hercal cylinder that I am looking to upgrade it when we come to replace our aging boiler. Reasons being our immersion doesn’t work and I’d really like something with a quicker recovery and a bit more capacity. Roughly how much should we be budgeting for this work (ignoring the...

I believe this comes from the stored water in the loft so wouldn't have any effect?

Thanks, all bit above my head. I am a bit in the dark as to what I need in terms of bars and flow. I just want to know if getting a Combi will be feasible or a complete nightmare I should avoid at all costs. IF that meant the shower would drop from 10L/min to 6-8L/min when someone brushed their...

OK so I have opened 3 mains outlets, 2 x outside taps and 1 kitchen tap. *The pressure gauge is on one of the outside taps. It goes down further, to 1 Bar when all 3 are open. One thing I did notice is that our second outside tap (closer to the boundary) is much faster than the one I have been...

@Madrab I brought my own pressure gauge. It's 2.0 static and when I turn on the kitchen tap fully it's 1.4 - I guess this is the dynamic pressure? Is that good or bad or somewhere in between :)

Our neighbour reckons his gravity fed shower is great too. The only difference they have is that they have only 1 cold water tank whereas we have 2. I think they shut one off for some reason. They are very elderly and I assumed maybe they had a pump and didn’t realise but perhaps not …