Dinosaur Electronics MICRO P-1338 Replacement Dometic Board (REV 5) - RM 3500, RM 3600 , RM 3800 , RM 663, RM 763 , RM 1303Dinosaur Electronics MICRO P 1338 Replacement Dometic Board Replaces These Boards: 001 003 , 2007718 , 4980557 00 , 87500351 19 , 87500351 44 , 87500351 99 *CLICK HERE FOR REFERANCE CHART* Size: 3. 14" x 9. 24" or 3. 14" x 6. 78" Works with the OLD style gas valve or NEW style gas valve. 3 way operation AC DC Gas operation Fuse and circuit breaker Protected Breakaway feature Use in Dometic Models: RM 3500, RM 3600 & RM 3800 Use the break away feature