If you’ve listened to the podcast or read my blog, you’ve heard me talk about the Alde hydronic heater we have in our Roadtrek RV.

While it doesn’t need much maintenance, you do need to top off the glycol, or anti freeze, levels from time to time by checking a reservoir located inside a closet on the coach.

I’ve received several requests for me to do a show and tell video on the process so, when I found my levels pretty much bone dry the other day, I handed Jennifer the camera and we shot this…

The antifreeze we used in our Alde is called Cryo-Tek and it’s available from Amazon.

You can also order it at Home Depots across North America.

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