> On Feb 17, 2017, at 10:42 AM, Josh Muckley via CnC-List > <cnc-list@cnc-list.com> wrote: > > The water heater has a ~6 gallon capacity. If you attempt to freeze protect > it then you would need to flush out the water with glycol and probably end up > using 3 or 4 gallons in the process. Glycol isn't cheap and considering that > you can eliminate the risk of freezing simply by draining, glycol in the > water heater is a waste of money.
What Josh says makes perfect sense, but now I am really confused. When I winterized the boat, I pumped all the water out of the tanks, then poured antifreeze into the tanks and pumped until pink came out the cold and hot lines at each faucet. But it did not take anything like 3-4 gallons. What am I missing? Dave Aries 1990 C&C 34+ New London, CT
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