oh good in theory, didn't happen in practice... for me

alistair

On 2013-06-27, at 9:53 AM, David Beierl wrote:

> At 12:47 PM 6/27/2013, Alistair Bell wrote:
>> FWIW, I did for a couple of years with no plug, I don't recall any problems not having one.
> 
> The fridge will blow out if the drain isn't sealed -- lets air move sideways through the system impelled by external pressure instead of only in a loop impelled by the flue draft.
> 
> Yrs,
> d