Registration Number 011-7S2831 R

Certificate / Registration Holder:
Ritter Energie- und Umwelttechnik
GmbH & Co. KG
Kuchenäcker 2
72135 Dettenhausen

Phone: +49 7157 53591200-1200
Fax: +49 7157 53591209-1209
Ritter Energie- und Umwelttechnik
Product: Solar collectors
Type / Model:

XL 15/26, XL 15/39 XL 19/33

Testing Basis: Solar KEYMARK Scheme Rules (as of 2022-06)
DIN EN ISO 9806:2018-04
DIN EN 12975-1:2011-01
Mark of Conformity: Quality mark KEYMARK / DIN-Geprüft
Registration Number: 011-7S2831 R
Valid until: 2028-06-30
Technical Data:

See data sheet, part of the test report of 2018-06-20, 2023-01-19


- The freeze resistance test according to DIN EN ISO 9806, clause 14 was
not necessary. According to the manufacturer's declaration, the
certified solar collectors may be used in frost exposed areas only in
combination with appopriate frost protection mixtures or with
appropriate frost protection controller.

Document: Info(PDF)