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Tony I've not been able to find any info on minimum flow rate only minimum pressure and the Grohe Pressure Lost diagram. Yes there will be isolating valves. I need to get this right as they'll be behind my tiles once installed. Looking at other routes for pipework so I can get to my...

Tony Thanks, All tanks are gone since central heating system was converted to a Combi System. CW is off the rising main. My Preference is to replace the 22mm HW part with 15mm but to leave the CW supply as is at 22 with 15mm tees. I was just a bit worried about inequal pressure between the...

Hi All Can I have some advise please. I have a Vokera Syntesi 29e Combi Boiler and I plan to install a Grohe 2000 Themostatic Shower with 3/4" connections. I'm worried that the either the flow rate or temperature won't live up to my wive's expectations. i.e. HOT and Fast. My concern is the...