Recent content by billy boiler

Am a diy er. have a 10yr quattro combi,heating side is fine, but lately, to get dhw,have to almost turn tap on full before diverter valve moves up & burner starts, whereas weeks ago it would fire up with minimum turns of tap. Also, because its almost full flow,never really gets as hot as it...

thanks ChrisR but can assure you last two times they split, it did affect volume of water ie, none.This problem is annoying,not least cos I m no expert & fancy changing diaphragm myself ( I m just DIY er) , but also this time the problem is intermitant. Must admit didnt try another tap...

diverter valve diaphragm has been replaced twice over 5years.Now have similarsymptoms though not all time ie, sometimes just tyrickle of hot water on furthest away tap, but most of time ok .Does this mean diaphragm gradually failing?Last 2 times I thought it failed suddenly & permanently,ie no...