Part Number: 109215-10 (Circuit board) Part Number: 109-215-101 (Breaker) Part Number: 109-215-102 (Circuit breaker) Part Number: 109-215-104 (Circuit breaker, 15a) Part Number: 109215109 (Ne) Part Number: 10921511 (Hardware) Part Number: 1092-1511-002 (Conn) Part Number: 1092-1511-003 (Cross to alternate. drop in repl) Part Number: 1092151484 (Wrench cylinder head) Part Number: 10921518 (Valve) Part Number: 10921520 (Bracket,mounting) Part Number: 1092-15210 (Housing) Part Number: 1092-15229 (Holder w/8130) Part Number: 10921523 (Bracket, duct heater)