Install Instructions

Cleaning heat exchanger fl ue side, 155 (continued)
Figure 106 Accessing the burner or heat exchanger (see Legend on page 124 )
Do NOT attempt to remove the burner from
the heat exchanger cover plate without first
removing the heat exchanger cover plate from
heat exchanger. Damage to refractory will result.
This damage is diffi cult to detect without the
removal of the cover plate.
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Part number 550-100-191/0917
125
®
gas-fired water boiler — 70/110/155 Boiler Manual