Another glycol question

hr · November 2006

a need for an anode in a closed loop, barrier tube system. Although the manufactures may prefer they stay in for warranty.

Glycol may go after the anode depending on the material. You really don't want to spring for Al glycol $$$ just for the anode rod.

I'm not sure about a magnesium anode and glycol?

I know steel or cast boilers don't use anode rods :)

hot rod

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Tombig_5 · November 2006

Remove Anode?

I have to temp heat a slab during construction. I'm installing an LP HW heater as nat gas service is months away. I'm running glycol for obvious reasons. Should I remove the anode rod? For that matter, should the anode be removed in permanently installed H2o systems using a water heater?

Tombig_5 · November 2006

Reuse Glycol

Since the 60 gals of mixed is going to be used for 3 months or so I was thinking of removing it and using it with a HX sidewalk/patio snowmelt coming up. If the (I assume) magnesium anode reacts, I don't want to install an inferior mix to a new system down the road. I will be using Cryotec 100 which is not aluminum compatable.

hot_rod · November 2006

keep glycol sealed

to help protect the o2 inhibitors. I think moving it around too much would lessen the protection. And always check the ph to keep it healthy and happy.

hot rod

Drew_2 · November 2006

Magnesium

I've attached a chart for pH and magnesium corrosion. You make the call.

Another glycol question

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