Description KSL-B-25B, NA-B-09A, 1JA-B-37B – Burner Control Circuit Board Cross Reference: KSL-B-25B / NA-B-09A / 1JA-B-37B / 50321-204005 / 50321 204005 / 50321204005 Other Circuit Boards: DAYSTAR Models made from 2005 SN N-01 till 2012 use a DS-B-17A DAYSTAR Models made before 2004 use a DS-B-17 KBE5S Models made from 2006 SN 01J- till 2012/2013 SN 01D – -WITH OVER VOLTAGE LIGHT use a KSL-B-25C KBE5S Models made from 2012/2013 SN 01C-01 till present use KSL-B-25E KBE5L 2-Step Models made from 2010/2011 SN 01F-04 till 2012/2013 SN 01D-03 use KSL-B-25D KBE5L 2-Step made from 2012/13 SN 01D-03 use KSL-B-25E VAL6 is a series of heaters. It is not the model name. We strongly suggest you refer to your manual that came with your machine for correct part number. If you still have questions, you can call our service or parts department at 800-846-5157.
