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Tag Archives: rel_glycol

SunMaxx Solar Launches New Solar Grade Glycol XT

FOR IMMEDIATE RELEASE – March 2, 2012 – Binghamton, NY – SunMaxx Solar, a leading, vertically integrated manufacturer of solar thermal systems and components, is pleased to announce that the solar industry leader has launched a custom Glycol XT. SunMaxx Solar’s custom solar-formula Glycol XT is a 50/50 mixture of 1,3-Propanediol and water. With a long list of advantages, including a lower price, this heat transfer fluid has a higher thermal conductivity than standard propylene glycol, while maintaining the original’s very low toxicity. SunMaxx Glycol XT also has a greater temperature range than standard propylene glycol. It can go just […]

Keeping propylene glycol from freezing in my solar thermal system.

A: How do I prevent my glycol from freezing during those rare deep freeze nights? Q: Your glycol, although rated for very low temperatures may be un-pumpable at a temperature higher than you expect. This can cause you system to overheat when the sun comes out in the morning. To prevent this you can activate the antifreeze function in your SmartMaxx controller. This function will turn the pump on as soon as your sensor 1 reaches a pre determined temperature, say -5 degrees. This will run only for a few minutes and then turn off, thus keeping your glycol above […]

Do I need to use glycol if I live in an area where I only have a few days of freezing per year?

Question: Do I need to use glycol if I live in an area where I only have a few days of freezing per year? Answer: If you live in an area that doesn’t get below freezing often (less than 5 days per year) it is possible to get away with using water instead of glycol. In order to make sure that the water doesn’t freeze you need to have your controller (ie. SmartMaxx DHW-Plus) run with freeze protection. The freeze protection setting monitors the collector temp and when it goes below a specified temp (40 F) the pump will kick […]

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