BS ISO 21826-1:2022 - Page 2

Iron ores. Determination of total iron content using the EDTA photometric titration method. Microwave digestion method | Status: Current

1 Scope This document specifies requirements for a water efficiency labelling programme for plumbing products and water using appliances along with guidance for their implementation. This document applies to the following products:

1. a) showers;
2. b) tap (faucet) equipment;
3. c) flow regulators (flow controllers);
4. d) water closet (toilet) equipment;
5. e) urinal equipment;
6. f) dishwashers;
7. g) clothes washing machines;
8. h) the dryer function of combination washer/dryers, where they use water to dry a load.