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If the shower I want has these requirements can I just check maths with you for combi sizing! Assuming incoming mains @ 10 degrees 8l/60s x 42 degree rise x 4.2 joule = 23.52 (24kw) 10l/60s x 42 x 4.2 joule = 29.4 (30kw) In colder temperature i.e incoming @ 2 degrees 8l/60s x 50 degree rise...

Hiya Quick basic one.... If you're measuring your flow rates and kitchen tap says say14l/min and outside tap says 18, is it valid to just use the highest number and assume some sort of restriction on the kitchen tap? Nothing else can increase flow to one specific tap without pumps etc can it...

Hi all Please excuse my ignorance - Hypothetically, 20l/min from cold main, into unvented, what can you expect to come out a thermostatic mixer shower? I mean once the water is mixed to reduce temperature to 40degrees so will have both hot and cold.

Hiya My stairs are open plan and wondered what I would be looking at price wise to add in a main post at the bottom (there is a platform but it's a foot or so high of that) and a tail with spindle balustrades in? any pointers welcome! For example am I looking for a builder or a Chippy?

Hi all, I know the word overspec is always a bad one but bear with me..... I have 3 bar pressure at the garden tap and roughly 13-14L /min at the kitchen tap. At 1 bar I have around 111/12L /min. Considering a combi and the flow rates stated are for 35/40degree rises all advice I have seen...

Right... I have a potterton ff50 and a 90l cylinder with tanks in loft. Hot water flow/pressure coming out the taps is rubbish. Want to have a new bathroom with thermostatic mixer shower but flow is far too low currently. Been recommended an unvented cylinder but don't want to accommodate a...