Here’s the solution thanks to a another tab owner: Sometimes even though the yellow valves look shut they actually get stuck. All I did was to open the yellow valves by having them stand straight up … (View Post)
Thank you for your responses. I have a tab 400 Boondock 2021. It is supposed to heat in the bathroom. I had to controls set correctly the glycol is circulating. It worked great in freezing weather pr… (View Post)