IAPMO/ANSI S1001.1-2013 (R2024) Design and Installation of Solar Water Heating Systems

1 Scope
1.1
This Standard specifies requirements for the design and installation of pre‐engineered solar water heating systems intended to be installed as stand‐alone systems or in conjunction with auxiliary water heaters, including component selection and sizing criteria.
1.2
This Standard does not cover
(a) existing water heating equipment;
(b) systems engineered for discrete or site‐specific applications;
(c) performance and durability testing of collectors or solar water heating system components; and
(d) design and installation of solar photovoltaic systems.
1.3
The requirements of this Standard are not intended to prevent the use of alternative materials or methods of construction, provided such alternatives meet the intent and requirements of this Standard.