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Posted by george on November 08, 2004 at 04:18:45:
In Reply to: Re: adding air vents posted by HeatPro on November 07, 2004 at 18:40:41:
The ball pipe end:
My 150 year old farmhouse radiators are
centered on the windows. The single pipe
from the radiator that goes to the floor
mounted shut-off valve is shaped with
a ball flange that fits into the shut-off
valve. A free slip nut tightens the ball
to the valve. On one radiator I removed,
The ball portion of the pipe that was coorroded
but the local plumbing supply had a new
pipe that I sweated on the radiator pipe
(the pipe was brass). Like a muffler pipe,
the ball allows some lateral movement before
tightning.
You can even buy a complete shut off valve
with connecting ball ended pipe for about $10
at home depot.
Usually, the valve need not be replaced but
the turn gate rubber needs to be replaced
if you are getting no complete shut off.
Once the radiator is removed from the valve,
remember that it will be very heavy.
You should be able to get a broken thread
remover for the old air valve, and screw in
a new one.