Thanks Jim. We'll be removing it next week and will try to drain as little as
possible.
> From: jamesf at groupwbench.org
> Date: Fri, 16 Mar 2012 14:42:40 -0400
> To: shop-talk at autox.team.net
> Subject: Re: [Shop-talk] Removing a small hot water radiator
>
> On Mar 14, 2012, at 11:30 AM, Jim Stone wrote:
> >
> >
> > So, that is the background. My question is around removing the old
> radiator.
> > The bathroom is on the second floor, which has four other cast iron
> radiators
> > on it. For what it is worth, this one is the farthest from the boiler.
> > Should I completely drain the system, or is it enough to simply drain a
> little
> > to release the pressure and drop the water level? The system hasn't been
> > drained in the five years I have lived here, so if this is a recommended
> thing
> > to do anyway, I guess now is as good a time as any.
>
> Draining and refilling, or flushing, is frowned upon because it introduces
> oxygen to the system which corrodes it. Drain as little as possible to get
the
> job done.
>
> If there's a bleeder on that radiator or at the highest one in that circuit
> it'll be easy to drop the level down. Otherwise you'll likely have lots of
> stuck water that will be released when you open the radiators ocnnections.
if
> you're lucky you can just crack them open enough to allow air in while
> draining from below, and have minimal spillage.
>
> Have plenty of towels around anyway :-)
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