- si 69 - household and similar electrical appliances - storage water heaters - general and performance requirements 44 pages in hebrew - si 900 part 2.21 - household and similar electrical appliances - safety particular requirements for storage water heaters 14 pages in hebrew and 30 pages in english . revision of the mandatory standards si 69 and si 579 part 2 dealing with the electrical storage water heaters. these standards will be replaced together with the following standards si69 - household and similar electrical appliances - storage water heaters - general and performance requirements.this draft standard revision in a national standard andincludes the following changes from the previous edition expends the standards scope to 400 liters electrical storage water heaters moves all safety requirements to israel standard si 900 part 2.21 expends the types of permitted steels removes the permit to use copper water heaters amends the safety requirements against shredding moves the thermostat requirements to israel standard si 900 part 2.21 removes the requirements for the re-heat test. si 900 part 2.21 - household and similar electrical appliances - safety particular requirements for storage water heaters.this standard adopts the international standard iec 60335-2-21 - edition 6.0 2012-11 with the following major national deviations that appear in the standards hebrew section changes the references to the international standard iec 60335-1 and applies instead israels mandatory standard si 900 part 1 general national remark changes the normative references paragraph 2 adds new marking and instructions requirements paragraph 7 adds new construction requirements paragraph 22 adds new components requirements paragraph 24 adds new requirements to paragraph 25 dealing with supply connection and external flexible cords paragraph 25.2.201 adds new requirements to paragraph 27 dealing with the provision for earthing addsto paragraph 32 dealing with radiation toxicity and similar hazards a requirement that the product shall comply also with the requirements of israel standard si 5452 add and amends figures 101 and 102 changes annexes a and aa and add a new national annex .