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slice38's avatar
slice38
Explorer
Dec 23, 2013

How to Properly Winterize Suburban Water Heater

Ok, I've drained my water heater totally and put in a new anode rod. To properly protect the tank, should I put a mixture of antifreeze back into the tank or is it okay to just leave it empty over th...
Jim_At_Bethany's avatar
Jim_At_Bethany
Explorer
Dec 25, 2013
One of the posts says that RV antifreeze does not expand. RV antifreeze rated for -50F will burst copper pipes at -50F and will burst pvc pipes at -10F. It starts to freeze at +12F and will expand as it freezes. It should never be diluted. RV Antifreese rated at -100F can be diluted 1/1 and provide the same protection as -50F Rv antifreeze.

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