One and a quarter BSP pipework

[Perigord]

Why down to 22mm ?

Just thought it would be easier to handle. So it would be best to just use 35mm and 28mm? I guess the flow rate will be better with the larger diameter pipe.

Just one other question. The log burner also heats a hot water cylinder, there is no pressure/expansion vessel fitted on the HW . I'm sure it must need one as it is a sealed system. There is obviously an expansion vessel on the primary system other wise boom!

 

[king of pipes]

Be very careful what you are doing my freind a little knowledge can be very very dangerous i dont think we can comment anymore - shaun whats your opinion think you may need to use that purple badge bud HETAS or the French equivalent regulations would be broken here ? Get a proffesional in to do this do not attempt it on your own please . regards kop

 

[ShaunCorbs]

Be very careful what you are doing my freind a little knowledge can be very very dangerous i dont think we can comment anymore - shaun whats your opinion think you may need to use that purple badge bud HETAS or the French equivalent regulations would be broken here ? Get a proffesional in to do this do not attempt it on your own please . regards kop

It's France so I don't think they have any regulate bodies eg like building control, gas safe, hetas etc, you ever seen a solid flue with an expansion vessel ?

Op please be very careful and maybe just a thought phone the manufacturer of the stove / fire up they may have some drawings on how to pipe the system up / how they want it piped up

 

[Perigord]

It's France so I don't think they have any regulate bodies eg like building control, gas safe, hetas etc, you ever seen a solid flue with an expansion vessel ?

Op please be very careful and maybe just a thought phone the manufacturer of the stove / fire up they may have some drawings on how to pipe the system up / how they want it piped up

Hi,

Some additional clarification. This is an existing installation which looks to have been in place many years and certainly has been used a fair bit before we bought the property last year.

There was Chapee (BAXI) oil boiler connected into the same system. So far all I have done is remove the oil boiler and associated pipework that went with that boiler.
I just want to swap out the steel BSP pipe for similar size copper pipe.

The wood burning stove is a Geminox :

Chaudière Bois Geminox GB 40 S - Acheter moins cher


which is fitted with a Honeywell/Braukmann TS130 safety device :

Soupape thermique, TS130

This is an over temperature device that vents the primary water if the temperature exceeds 95 degrees C. There is also a pressure relief valve on the filling loop along with a suitably sized expansion vessel.

Unvented solid fuel systems are common here as in Europe the low pressure vented header tank system was never used.