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Posted by lacnob on December 9, 2006, 7:27 am
Speedy Jim wrote:
> lacnob wrote:
> > have a very old (I'm guessing 45 years) oil fired hot-water boiler.
> > My problem is two radiators (not steam type) on my second floor
> > (bedroom & bathroom) don't get hot. If I crank up the thermostat to
> > 76 degrees, one of the radiators will get warm about =BC of the way up
> > (I normally keep the thermostat at 68), the other remains ice cold.
> > There is a large radiator with an automatic bleeder on it which throws
> > off a lot of heat in another bedroom on the second floor. I tried
> > turning that radiator off- didn't help. The bathroom radiator with the
> > automatic bleeder is cold. The pressure on the boiler show 20 when cold
> > and 23 when hot. When I bleed the bedroom radiator, air comes out but
> > no water. All radiators on the 1st floor have been bled & water comes
> > out. Last winter, the pressure was at 10 & I had the same problems, so
> > I put on an automatic bleeder on the bathroom radiator to no avail. Any
> > suggestions appreciated.
> >
>
>
> Not enough boiler pressure.
>
> Have another look at the gauge. Is the "20" in Feet?
> That's probably just shy of what's needed to get to
> the bath.
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