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MooseRiverMan · 08-03-2009, 03:59 PM

I am getting mixed comments on the use of non toxic anti freeze in a forced hot water heating system.

I have had it in my existing system for many years (20+) and while it does affect the valves etc somewhat I thought it was worth the comfort of knowing the pipes wouldn't freeze when the power went out. Now I'm planning to put in a new boiler with an indirect hot water tank (the old boiler being a tankless hot water system) and need to figure out whether to continue with the antifreeze.

Any thoughts??

08-03-2009, 03:59 PM	#1
MooseRiverMan Member Join Date: Apr 2004 Posts: 29 Thanks: 0 Thanked 0 Times in 0 Posts	Anti Freeze in Forced Hot Water System I am getting mixed comments on the use of non toxic anti freeze in a forced hot water heating system. I have had it in my existing system for many years (20+) and while it does affect the valves etc somewhat I thought it was worth the comfort of knowing the pipes wouldn't freeze when the power went out. Now I'm planning to put in a new boiler with an indirect hot water tank (the old boiler being a tankless hot water system) and need to figure out whether to continue with the antifreeze. Any thoughts??