SunMaxx Solar LLC
Page 38 of 39
* Backup water heater shall have adequate capacity, listed and labeled by an accredited
listing organization.
The recommended option is AO Smith GVR-50 gas water heater or AO Smith ECS-50
electric water heater. Consumer are free to choose any other 50 gallon gas or electric
water heaters with R-value equal to or greater than 16, and with volume within 10% of
50 gallons.
ANNEX 2
Notice Label
Hot warning label
Freeze protection label
Freeze Protection Information
The freeze protection method of this system is thermal mass and manual draining. Drain the
system as instructed in the owner’s manual when temperatures of 14
o
F or below are expected.