Gemini™
auxiliary panel (service power shutoff switch inside)
pressure tap
high gas pressure switch
secondary shutoff
propane connection (1 1/4") and shutoff
pilot gas supply
natural gas connection (2") and shutoff
natural gas regulator
propane low pressure switch
pressure tap
secondary shutoff
high gas pressure switch
main gas valve
propane connection (1") and shutoff
mechanical link to air control
main gas valve
water connection
low pressure switches (visible from side)
propane gas valve
propane regulator
natural gas gas valve
auxiliary panel (service power shutoff switch inside)
propane gas valve
natural gas low pressure switch
water connection
natural gas gas valve
natural gas regulator
pilot gas supply
natural gas connection (1 1/4") and shutoff
Figure 5-1 Twin-Fuel Gas Train
(Top photo shows 1500/1700/1900 series; bottom shows 700/900/1200 series)
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