Frequently Asked Questions

Do you have a question about SunMaxx or solar thermal systems? Just take a look at the list below…each question has been submitted by one of our solar thermal dealers, installers or clients, and answered by our team of professionally trained technicians and engineers.

Can’t find your solar thermal questions on the list below? No problem, just use the link below and submit your solar thermal question for our team to answer and post on the site.

How do I get into the adjustment submenu on my SmartMaxx-DHWPlus controller?

How do I get into the adjustment submenu on my SmartMaxx-DHWPlus controller? Press the “+” button to move through the main menu (Display Channels) until you reach the last item in the main menu. Then press the “+” for about 3 seconds straight until you access the submenu (Adjustment Channels). The...

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How Do I Get My SmartMaxxDHWPlus Controller from German to English?

How do I get my SmartMaxxDHWPlus controller from German to English? With the controller plugged in, push the “+” button until you reach the end of the main menu. You will see the time displayed under the German “ZEIT.” Then push the “+” button for about 3 seconds straight until the...

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Can I Mount Solar Thermal Collectors On A Flat Roof Without Roof Penetrations?

Can I Mount Solar Thermal Collectors On A Flat Roof Without Roof Penetrations? Yes you can. Collectors can be attached to our ballast system, which uses the weight of standard patio blocks to hold the collectors in place. Wind load calculations must be done by an engineer to conform to local...

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What is the best option for piping my Solar Hot Water System?

What is the best option for piping my solar hot water system?

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Can I use PEX in a Solar Hot Water System?

Can I use PEX in a Solar Hot Water System? NO!!! PEX will fail in a Solar Hot Water System. Only FlowMaxx line set and standard L-Copper tubing is rated for the high thermal loads of Solar Hot Water Systems.

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