domestic gas burning water heaters. revision of the mandatory standard si 1296 to be replaced by the following standards si 1296 part 1 domestic gas burning water heaters storage heaters. this draft standard revision adopts both the european standard en 89 october 1999 and its amendments a1 oct. 1999 a2 aug. 2000 a3 oct. 2006 and a4 nov. 2006 as well as the american-canadian standard ansi z 21.10.2-2004 csa 4.1-2004 and its amendments 1a-2006 1b- 2006 3-2004 and 3a-2007 with a few changes that appear in the standards hebrew section. si 1296 part 2 domestic gas burning water heaters instantaneous heaters for the production of hot water fitted with atmospheric burners. this draft standard revision adopts the european standard en 26 january 1997 and its amendments a1 oct. 2000 a2 jun. 2004 and a3 oct. 2006 with a few changes that appear in the standards hebrew section. si 1296 part 3 domestic gas burning water heaters central heating boilers - type b11 and b11bs boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kw. this draft standard revision adopts the european standard en 297 may 1994 and its amendments a2 may 1996 a3 oct. 1996 a5 jun. 1998 and a6 mar. 2003 with a few changes that appear in the standards hebrew section. si 1296 part 4 domestic gas burning water heaters central heating boilers - type c boilers of nominal heat input not exceeding 70 kw. this draft standard revision adopts the european standard en 483 october 1999 and its amendment a4 dec. 2007 with a few changes that appear in the standards hebrew section. si 1296 part 5 domestic gas burning water heaters central heating boilers - specific requirements for the hot water operation of combination boilers of nominal heat input not exceeding 70 kw. this draft standard revision adopts the european standard en 625 september 1995 with a few changes that appear in the standards hebrew section. si 1296 part 6 domestic gas burning water heaters central heating boilers - specific requirements for condensing boilers of nominal heat input not exceeding 70 kw. this draft standard revision adopts the european standard en 677 june 1998 with a few changes that appear in the standards hebrew section. both the old standard as well as the six new revised parts shall apply for a period of 2 years after publication in israels official gazette. during this time appliances may be tested according to the old or the new revised standards.