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[automan77]

I might not have enough wood to make it thru the winter this year. Is there a certain treatment I can use to keep my system from freezing up?

[RSI]

Glycol is what is normally used and is very expensive. You are probably better off just draining the water and filling the lines with RV antifreeze.

[automan77]

my stove holds 160 gallons plus the lines I wonder How much I would need.

[MNLady]

Half water, half antifreeze

[automan77]

wow I better search for some wood just in case.

[mlappin]

Hell having to buy some wood would still probably be cheaper

[MScott]

Glycol is what is normally used and is very expensive. You are probably better off just draining the water and filling the lines with RV antifreeze.

I was quoted around $1500 to replace all the water in my system with glycol. I decided there were better ways to avoid freezing.

[dukethebeagle]

just let it circulate no stop

[schoppy]

Propylene glycol 55 gal drum, 99% pure, mixed 30%  for $850.00. Anderson's outdoor wood furnace, www.freeheat4u.com but not sure how much shipping would be. 160 gal system and piping should be handled by a 55 gal drum.