@moleman75 A "low rate noise" on a Vaillant boiler in central heating mode usually refers toย a droning or humming sound that occurs when the boiler is operating at a low gas rate, often signifying a potential issue with the burner or gas valve settings,
@moleman75 Low rate out or gas vakve knacked also just check inlet pressure ok run it for a while and check inlet stays good had a few wonky meter governers past month or 2
@moleman75 If u whip the air intake off and put 3 fingers scout style ๐ over inlet to restrict air a bit and see if it runs nice if it does gas valve not set up properly
Miss the old soccer am ๐๐ @HellsBellsy & lovejoy u guys could never be replaced and well before the woke brigade were even born football , proper laugh out loud stuff and jokes u could never get away with now ๐๐๐โฝ๏ธโฝ๏ธโฝ๏ธ
Happy new year every one hope your having a better night than me on call just got back from a water leak ๐ฆ๐ฆ massive it was๐๐ gland leaking on a belmont when u turn it down ๐๐ turned it off ptfe and reglanded done 25 mins what an absoloute joke for an uncontrolled leak ๐
@moleman75 Think it is a chtng expansion tank which fills from dhw feed outlet on dorset close yarco think its blocked and poor circulation ๐๐ told her to rip it all out flush it and slap a decent combi in