installing a back boiler oil link up in a bungalow, anyway around it?

[Best]

What way do you have it piped? Have you used 4 pipes, ( 2 for gravity, normally 28mm & 2 for pumped circuit).
The gravity pipes should have a vent on flow & a feed on return. No valves or pump.

 

[Mr Flux]

What way do you have it piped? Have you used 4 pipes, ( 2 for gravity, normally 28mm & 2 for pumped circuit).
The gravity pipes should have a vent on flow & a feed on return. No valves or pump.

no i went the fully pumped route customer didnt like the idea of his new wooden floors being ripped up, he was happy enough to go ahead with it fully pumped! i ust have 2 pipes going to stove and i have the cold feed and the vent coming off the pipes when the enter the roofspace! The pump isnt blocking the vent as it is on the return to the boiler, i have a 22mm vent and cold feed coming off the flow pipework 100mm apart!

 

[Gray0689]

Then you are a muppet you have installed it illegally and its dangerous

 

[Best]

Not a way I would think of doing it. Assume you took the pipes to cylinder & then rads. That means the pump is on the gravity return, near to boiler?

 

[Mr Flux]

Then you are a muppet you have installed it illegally and its dangerous

oh im sooo sorry gary i will never do it again

 

[ecowarm]

Fit a gravity heat leak rad of the correct size, if the power goes off the heat has somewere to go, it is not a requirement to have gravity to the cylnder as long as you can get rid of the heat in a rad

 

[Gray0689]

I hope it goes wrong in fact no I know it will go wrong

 

[Best]

I would advise a fire to have a gravity circuit bare minimum with flow having a vent, return a feed pipe. Some systems have been done with a pumped circuit teed to gravity circuit. At least this is not dangerous.

 

[Mr Flux]

Not a way I would think of doing it. Assume you took the pipes to cylinder & then rads. That means the pump is on the gravity return, near to boiler?

Gravity return? as i said there is no gravity circuit, the two pipes just link into the existing central heating pipework where te flow and return enter the property! yea the pump is on the return to the stove near the stove and feed and expansion is on the flow from the stove???

 

[ecowarm]

Yes agreed cold feed on return and vent on flow, this needs changing

 

[Gray0689]

I'll not lose any sleep over you that's for sure lol
You want to be a cowboy that's upto you

 

[Mr Flux]

Yes agreed cold feed on return and vent on flow, this needs changing

cheers, whats wrong them both on the flow tho?

 

[Gray0689]

Mr flux where you from in NI

 

[Best]

Water being heated from a fire must rise, as on a gravity circuit, or be pumped constantly, BUT, you can't rely on a pump & you really shouldn't have valves on gravity pipes in case they fail or some idiot closes one accidentally. Hence gravity is the only way. If fire is going full belt & the pump stops for any reason, the boiler will come under a lot pressure, & I wouldn't want to be in the house.
The stove manufacturer will not accept your install, I am sure.

 

[ecowarm]

cheers, whats wrong them both on the flow tho?

If the boiler does start to boil it requires cold water to the bottom of the boiler to cool it