Description DS-B-10B – Burner Gasket 50319 202025 / 50319-202025 / 50319202025 Other Burner Gaskets: Daystar Models from 2010 and after and serial number 01F- lot after use DS-B-10C MPX Models use MPX-2-01 KBE5S, KBE5L and KBE5L with a high/low switch use KSL-R-06 EPX Model use EPX-2-10 VAL6 is a series of heaters. It is not your model name. We 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.