|SA21-1||Structure for 1 collector|
|SA21-2||Structure for 2 collectors|
|SA21-3||Structure for 3 collectors|
|SA21||Additional structure A 19 per panel|
Vertical structures for flat south facing roof with adjustment (A21) are universal support structures for a forced circulation system of 1 - 3 collectors which can be added to. The support structure is made from aluminium profiles and inox accessories. They are easy to mount and durable due to their technologically advanced materials and design.