Comes as a 3-way (AC/DC/Gas). Remove an option jumper for 2-way operation. The New MICRO P-246 Plus is fully compatible with both the old and new gas valve systems used in Dometic refrigerators. It replaces the earlier MICRO P-24 2-way, MICRO P-24 3-way and the MICRO P-26. ® Works in the following models: RM 2602, RM 2603, RM 2802, RM 2803, RM 3501, RM 3601, RM 3604, RM 3801, RM 3804, RM 4801, RM 4804, RM 4804.002, RM 4804.004, RM 4804.005, RM 4804.005, RM 4804.006 and RM 7030 (prod #921890201 and 921890301)