CONSERVATORY RAD WONT HEAT UP

[Pie]

Just had a radiator put into thye conservatory.
During a kitchen re-fit we discovered that what we thought was an electric fan heater at floor level under the oven was actually plumbed into the CH. As we had an intention of putting a rad in the conservatory this provided an ideal opportunity to use the existing pipe work to run new pipes into the conservatory. This we did with 15mm pipes into a new chrome rad. Everything bled and seems there is no air in the new pipework but rad won't get hot.

I do not know what the existing pipework to the heater was connected to but suspect that as the utility room radiator is right behind where the pipework is that it is connected to that.

Old heater was connected to house pipework with flexible pipes with stop valves which we used to plumb the new pipes into, the valves are on.
Any suggestions?

 

[tryitandsee]

Have the old flexible pipes collapsed inside braided tubing?

Have you turned off the utility radiator to see if this helps (they may be 'back to back' and just needs balancing.

 

[Breesey]

Did you realise that you shouldn't have put a central heating radiator in the conservatory?
Just wondered.

 

[Baxmax]

Did you realise that you shouldn't have put a central heating radiator in the conservatory?
Just wondered.

Why ?

Turn all your other rads off and see if your new rad gets hot.

 

[Breesey]

Did you realise that you shouldn't have put a central heating radiator in the conservatory?
Just wondered.

Why ?

I'm assuming that the conservatory is being considered exempt, in which case it should not have a CH rad.
If Building Notice/permission is in force then the situation is different.

 

[Pie]

Have the old flexible pipes collapsed inside braided tubing?

Have you turned off the utility radiator to see if this helps (they may be 'back to back' and just needs balancing.

Water does get through to the radiator and the hot inlet does get warm ish but thats it. Rad was bled and - seemingly - all the air was purged.

 

[Pie]

Have the old flexible pipes collapsed inside braided tubing?

Have you turned off the utility radiator to see if this helps (they may be 'back to back' and just needs balancing.

And yes we tried turning the utility one off but seems to make no difference.

 

[bengasman]

Silly question maybe, but are you sure you have a flow and return pipe, and not to flow’s or two return’s.
Yes, I know the spelling is wrong, just seems clearer this way.

 

[Baxmax]

What type of system is it ?

 

[tryitandsee]

I suspect that as you were not aware of this plinth heater it was not being used and a blockage has formed on the return part of the pipework. By the sound of it you have used the flexi's to connect up pipework (not the best practice), can you not take off return at this flexi and push mains pressure through with the use of a hose.

Or as bengasman suggests, it may have been a plinth heater 'in line'. which happened to work because it was low down, now you've lengthened the pipework horizontally and vertically........it wont work!

 

[Pie]

[I suspect that as you were not aware of this plinth heater it was not being used and a blockage has formed on the return part of the pipework. By the sound of it you have used the flexi's to connect up pipework (not the best practice), can you not take off return at this flexi and push mains pressure through with the use of a hose.]


We thought this was a small electric fan heater until it was taken out when we found that it was actually connected to the central heating system.

It was working as a fan heater giving off either hot or cold air.[/quote]