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Exalt

Venturi Replacement Kit

5

Table 1:  Combustion Settings

NG 110, 155 

NG 199

Propane

H

igh F

ire CO

2

 Range

9.0 to 10.5%

8.5 to 10.5%

10.4 to 11.0%

O

2

 Range

4.85 to 2.15 %

5.75 to 2.15 %

5.1 to 4.2 %

CO Max

150 ppm

200 ppm

Lo

w F

ire

CO

2

 Range

9.0 to 10.0 %

8.5 to 10.0 %

10.4 to 11.0 %

Lower than or equal to High Fire CO

2

 level

O

2

 Range

4.85 to 3.0 %

5.75 to 3.0 %

5.1 to 4.2 %

Higher than or equal to High Fire CO

2

 level

CO Max

10 ppm

Fig. 6:  Throttle Screw Location

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