APPENDIX C
MODGAS-X Field Technical Guide
26
MAXITROL
®
Stepper Valve Types
Figure 14: 2-Wire 0-20 Volt Reverse Acting MAXITROL
Selectra Stepper Valve
Figure 15: 4-Wire 0-10 Volt Direct-Acting MAXITROL
EXA STAR Stepper Valve
Revised 1/31/14
