How much Glyco do I need in my Radiant floor?
We had a leak in our radiant floor heating system (pressure relief valve) that we had fixed, but we lost most of the original fluid that was in the system. It has an auto fill valve on it so it refilled with tap water as the fluid leaked out.
Now we find that we spots in the floor that freeze (by the doors or garage) when it gets 30-to 40- below and they don't open back up until it warms up to above 32 degrees.
Our house is 2700 sq feet and I am not sure how much glycol I will need to keep it from freezing to 50-. I know it's a 50 to 50 mix.
Any way to estimate how much glycol I would need to make it a 50-50 mix? I don't have anything that says what the volume of water our system uses.
What is the average cost of glycol?
Can I do it myself or do I need to hire someone to do it?
Can anyone help?
Thanks
Oh and I live in Alaska
Thanks
Ron C