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?. furnace puff is not allowed for positive pressure fire, easy to burn out the burner.

?. vigorous shaking of the burner should stop.

?. are not available on the ground level at the bottom of the boiler water, corrosion in case of wet base. 2. boiler 2-3 week, checks should be carried out. Water gauge, valves, pipe flange interface there are leaks should be repaired.