24V, NAT/LP, IGNITION CONTROL FENWAL BOARD.;WAS JOHNSON # G770MGC-3, NOW FENWAL 35-63J111-415,;BLODGETT CHANGED TO FENWALL CIRCUIT BOARD W/O COVER,;SWITCHED TO COVERED BOARD END OF 2013;NAT PILOT W/ SPARK WIRE H594, M-150, # 511192;LP PILOT W/ SPARK WIRE H595, M-151, # 511193;SENSOR WIRE L310, W-483, # 381364;IGNITER F219, F-179C, # 441003 BEFORE 02-01-1986;IGNITER BRACKET A1651, F-179D, # 261808 BEFORE 02-01-1986;BLODGETT;OVEN SERIES: DFG 50~; DFG(100,200,300 ALL AFTER 2/1/86)~;; ZEPHAIRE G WITH SOLID STATE CONTROLS.