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Discuss galvanised steel reducer to copper in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net

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Hi Guys,

I am looking to replace radiator as the old threaded valve is shot on this old building but it is attached to what looks like 1 inch galvanized steel. I was hoping to freeze the pipe at the bottom (see pic) cut and reduce into 15mm copper, any ideas if there is a suitable adaptor out there for this? Any ideas greatly appreciated.

Cheers
 

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You can still get commercial eg steel threaded valves danfoss

1/2 is 3/4 od
3/4 is 1” od
 
Thanks for quick response guys.

it is definitely 28mm (1 inch), I have a rothenberger pipe freezing kit which has not failed me yet! There are 26 rads on the system so want to avoid drain down! I did have a look a at the old threaded valves to replace but I could not find 1 inch fitting, I was not thinking about the internal diameter so a 28mm should work perfectly. Thanks for the help guys.

Cheers
 
Thanks for quick response guys.

it is definitely 28mm (1 inch), I have a rothenberger pipe freezing kit which has not failed me yet! There are 26 rads on the system so want to avoid drain down! I did have a look a at the old threaded valves to replace but I could not find 1 inch fitting, I was not thinking about the internal diameter so a 28mm should work perfectly. Thanks for the help guys.

Cheers

3/4” danfoss rad valve


1” measures 11/4 od
 

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