ITEM- COMBUSTION ANALYZER KITTYPE- RESIDENTIALFUEL TYPE- BIO HEAT 5- FUEL OIL 2- NATURAL GAS- PROPANE- WOODCOMBUSTION EFFICIENCY- CALCULATEDOXYGEN CONCENTRATION- 0 TO 21.0 VOL%CARBON DIOXIDE CONCENTRATION- 0 TO CO2 MAX CALCULATEDPRESSURE/DRAFT- -16 TO +1