$271.01 Original price was: $271.01.$135.00Current price is: $135.00. EN 50440. Efficiency of domestic electrical storage water-heaters BSI Group , 08/31/2005 Pages: 26 BS 05/30138385 DC quantity Add to cart Category: BS Description Standard By:BSI Group , 08/31/2005 Published:08/31/2005 Pages:26 Related products BS 267:1928 $264.16 Original price was: $264.16.$132.00Current price is: $132.00. Add to cart BS 168:1923 $264.16 Original price was: $264.16.$132.00Current price is: $132.00. Add to cart BS 74:1917 $264.16 Original price was: $264.16.$132.00Current price is: $132.00. Add to cart BS 326:1928 $264.16 Original price was: $264.16.$132.00Current price is: $132.00. Add to cart BS 266:1928 $264.16 Original price was: $264.16.$132.00Current price is: $132.00. Add to cart