TM 10-4510-206-144-14.WATER HEATER MAINTENANCE PROCEDURES (CONT’D)b.Burner Head Assembly (Cont’d)32.Bend spark plug electrodes (19) until spark gap is 5/32 inch(4mm) and electrodes are located 1/8 inch (3mm) outward and 1/2inch (13 mm) upward from hole in burner nozzle.4-72
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