MY BIOLER WHICH A CAMRAY 3 40/50 HAS A RIELLO 40 BURNER WHICH IS TYPE 424T55 WITH A OUTPUT OF40,000/50,000 BTU WHICH IS 11.7 TO 14.6 KW AFTER CHANGING A IN LINE FUEL FILTER THE BOILER HAS BECOME VERY SMOKEY WITH BLACK SMOKE WHICH IS VERY SOOTY SMOKE BEING EXAUSTED OUT OF THE FLUE AND INSIDE THE BOILER
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