i thanks, ive attached a photo of my cylinder , telford cant help me with the spec on this at the moment but yes this was bought 20 year's or more ago , what i would like to know is normal for condensing boilers to modulate down when the hot water only is called for , and as i live in the south...
thanks for your reply ived notice there is not much difference between half open or fully open one thing the hot water cylinder is very close to the boiler would that be anything to do with this also the hot water cylinder is about 20 years old , i have noticed the boiler seems to modulate down...
h all ,
i have a faily old s plan fully pumped system with a worster bosch r 18 heat only boiler,
the boiler was replaced about 4 years ago had a potterton neta heat before. 16/18 i think,
what i want to know it has a gate valve coming from the cylinder back to the reurn to the boiler , what...
hi and thanks for your reply's I'm away from home at the moment,
since the replacement by the chap who wired it up incorrectly I had the boiler checked again by a gas safe engineer , who reset the gas ratios and said the boiler was fined after carrying out checks etc. and agreed it needed a...
this as over 25 years ago we used to have too look after remote sites that had basic heaters and now which is banned helium based fire control on high power transmitter devices gas these used to be in large telecom switch sites but are no longer used also the old anolog high power...
hi did fit automatic bypass valve and the boiler is now running the pump overrun correctly now and not getting any thermal shock noises from boiler when it used too shut down,
because I had to disable the pump over run its a terrier Yorkshire a. b. v . seems to like about 3.5 mb setting . can...
yes I took the case off to rectify this I'm not breaking any rules as this is my boiler indeed some gas safe engineer's wont even touch wiring I'm totally confident in doing this I'm no here to argue about rules some people get mixed up with law and rules . sure I'm going too find a gas safe...
thanks for all your reply's been in touch with Worcester bosch tec and explained the situation and they say a minimum of 1 metre but when this is done it will but about 2 metres , I've worked on high pressure cooling systems and control systems for broadcast transmitters I'm not touching the...
I try and make myself clearer as a guess the pipe length in total of the abv circuit will be about 1.5 metres I'm just need to know is that enough for the bypass circuit to recirculate the boiler when its in pump overrun to cool off heat baz
need to fit an automatic bypass valve on an s plan 2 valve system as one was never fitted also pump overrun was not working as who installed this never put a separate feed mains to boiler and separate live demand from the wiring centre ,pump overrun now works but bypass needs fitting asap...
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