| [GMCnet] Re: Winterizing Options [message #367399 is a reply to message #367384] |
Fri, 29 October 2021 18:04   |
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You're right, Richard. That worked well for me for a few years until I
installed the water heater bypass and pump converter. Only a little spurt
of air is all that is needed now.
With one outlet open at all times, pressure is negligible.
On Fri, Oct 29, 2021, 11:06 AM Richard wrote:
> Billy Massey wrote on Thu, 28 October 2021 20:56
>> I run my air pressure wide open. What is needed is lots of volumn to
> get all the residual moisture out and away from any fittings.
>
> Billy, I'm not sure I follow, please clarify what you mean by air pressure
> wide open.
>
> Blowing water out of an RV's plumbing is the same as blowing water out of
> a lawn irrigation system in that you want high volume and pressure low
> enough that the system won't be damaged. The more volume (CFM) you can
> push at a lower PSI the better. 50 PSI or less at 20 CFM or better is about
> optimal. If you're going to be filling the system with antifreeze it's
> not necessary to get 100% of the water out of the system.
>
>
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