| Re: Winterizing a macerator [message #62697 is a reply to message #62691] |
Sun, 01 November 2009 13:58   |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
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I pump my black tank dry while parked pointing up hill. I then open the drain on the black tank and proceed to run all of the water out of my main tank through the various facets and in to the black tank with the drain open. I then blow out the entire system using 30 PSI air in the outside fresh water connection. With the air still on I open the drain on my hot water tank and also blow it out. I turn off the air and open the drain on my water tank. Now all tank drains are open.
I then move my bypass valve for heater and fill the system with antifreeze including the drains. The excess flows to the Black tank and macerator.
With all three tank valves OPEN. I drive the coach 11 miles to the airport. The drive shakes out as much water (and antifreeze) from the tanks as possible. I park the coach on level ground in unheated storage for the winter. It takes less than one gallon to fill my system. I guess you could dump another gallon down the drains and pump it out through the macerator if it really bothers you.
I found some RV anti-freeze for 2.50 per gallon about 2 months ago. I did not really need it but I bought 2 gallons any way. I now see it at TSC for 3.99. I bought a bunch a few years back and I am using that stock so I have not kept up on the price of the stuff this year.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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