Edwin Pawlowski wrote:
wrote in message
ups.com...
you won't get it all out because if you do and there isn't anywhere for
the expansion, then the water will burst the pipes if it gets to cold.

Empress2454 #124457

Oxygen in water is different than air in the system. It does not affect
expansion or freezing of pipes.

High oxygen does cause corrosion. In industrial systems, the best way to
get rid of it is to use sulfites as an oxygen scavenger and heating the
water in a pre-heat tank to at least 190 degrees or in a deaerator where
the water is heated under pressure to about 220 degrees to drive off oxygen.

To the o/p...
Use automotive coolant (antifreeze) in the system?

Mark