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Raypak 750 User Manual

Page 65

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CLEANING BOILER HEATING SURFACES:

The following service procedures must be performed ONLY by a qualified service agency. Boiler owner should
not attempt these procedures.

1.

If you find soot in top of vent elbow (some sediment in bottom of vent is normal) - remove vent attachment to the ADB
and clean flue exhaust baffle inside the boiler. Also check burner, replace if damaged.

2.

If you find rust deposits in vent elbow - check for high water flowrate or low inlet water temperatures. Clean boiler as
above.

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