Burner Flame Checks - Bradford White DS140S Installation And Operating Instruction Manual

General Operation continued-

BURNER FLAME CHECKS

At the time of installation and at periodic intervals (not more than six (6)
months), a visual check of the pilot and main burner flames should be
conducted. The flames should be similar to those pictured below. The main
burner should light smoothly from the pilot. (See Figure 17).
Figure 17
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