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Part number 550-100-029/0810
GAS-FIRED WATER BOILER SERIES 1 & 2 —
Control supplement & Service guide
&IGURE Burner access and assembly (you must use the Maintenance Kit listed on page 33)
&IGURE Gradually tighten the nuts, repeating the sequence shown below until the torque reaches 50 inch-pounds (+/-
10 inch-pounds)
Boiler maintenance procedure (continued)
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