Drainback vs closed loop solar system

[@nemonemo6285]

Thank you for the great video. Lots of free info for DIY people.

[@solarwaterheatermachinery]

they are great video

[@pdeblois1880]

Finally someone who knows what he's talking about.
Good info!

[@martinhatton2041]

Thankyou for explaining in English! 😊 great instructional video.what controls would i use for switching pump please?

[@alexander1311]

perfect video !!!🤙

[@guiltfreehotwater4354]

Where did u go?

[@henrybartlett1986]

Very useful.

[@petertip2593]

Nice Video.