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Plumbing / Re: Salvaging glycol antifreeze
« on: November 03, 2013, 01:57:29 PM »
Sure I can save it since I am already a pack rat. I'd prefer reusing it via concentration rather than dedicating storage space to a solution too weak for use.
I bought some test strips yesterday and expect to get a reading in the next several days. I will also plan to talk to the manufacturer about boiling it down.
I bought some test strips yesterday and expect to get a reading in the next several days. I will also plan to talk to the manufacturer about boiling it down.
2
Plumbing / Re: Salvaging glycol antifreeze
« on: November 02, 2013, 08:48:58 AM »
I will need to take some of the diluted mix out of the system to have room to add antifreeze. I was hoping to avoid having to throw that away.
Is there a place that recycles such product?
Thanks,
Joe
Is there a place that recycles such product?
Thanks,
Joe
3
Plumbing / Salvaging glycol antifreeze
« on: November 02, 2013, 02:50:37 AM »
Last winter I had my system filled with the proper mixture of water and Plumb Guard antifreeze but then had some mishaps with leaks and over temperature pop offs. I added an unknown quantity of water just to keep the system functional so what is in the system now may be only 25% glycol instead of 50%. I have a 5 gallon bucket below the currently leaking expansion tank with probably 4 gallons of the mix that looks perfectly fine.
What is the best way to determine the current concentration?
Does anyone know if it is possible to increase the concentration of glycol now in the system by boiling off some of the water? (I understand that some solar systems use what is called a "boil back" approach to deal with stagnation. The systems are designed with an expansion tank sized to allow the water in the collectors to boil and push the liquid water into the tank. The glycol stays in the liquid water and is thus not subject to the breakdown caused by stagnation in a collector.)
Any other suggestions to avoid throwing away what is in the system and replacing it with known glycol /water mix?
Thanks in advance for any ideas!
Joe
What is the best way to determine the current concentration?
Does anyone know if it is possible to increase the concentration of glycol now in the system by boiling off some of the water? (I understand that some solar systems use what is called a "boil back" approach to deal with stagnation. The systems are designed with an expansion tank sized to allow the water in the collectors to boil and push the liquid water into the tank. The glycol stays in the liquid water and is thus not subject to the breakdown caused by stagnation in a collector.)
Any other suggestions to avoid throwing away what is in the system and replacing it with known glycol /water mix?
Thanks in advance for any ideas!
Joe
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