K2 Installation Manual
160
107672-03 - 5/18
Table A3: Approximate Starting Number of Throttle Turns for Natural Gas
Appendix A - (continued)
Model No.
Approximate Derate per 1000 ft.
2001-6000 ft. 6001-7800 ft. 7801-10,100 ft.
K2WT-080B 0.9% 4.0% 4.0%
K2WT-100B 1.9% 2.6% 2.7%
K2WT-120B 1.2% 1.8% 2.4%
K2WT-150B 2.6% 2.9% 3.1%
K2WT-180B Not Permitted
K2WT-180M 0.1% 1.9% 3.0%
NOTE: THESE DERATES ARE AT MINIMUM VENT LENGTH Max. Vent Length 135 eq. Feet (3
inch Intake/Vent Pipe)
Table A2: K2WT Altitudes Derates for Natural Gas
Model
# Counter-clockwise Turns
(From Fully Closed)
080 9-3/4
100 9-3/4
120 12-1/4
150 10
180 15