Propane Gas Train (Sc-3000 & Sc-4000) - Harsco Industrial SC-1500 Owner's Manual

6.2.6 Propane Gas Train (SC-3000 & SC-4000)
Mark Description
1 External (Upstream) Gas Cock
2 Gas Piping & Supports
3 Flexible Gas Hose
4 Low Gas Pressure Switch
P-K SONIC
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Mark Description
5 Internal (Downstream) Gas Cock
6 High Gas Pressure Switch
7 Main Gas Shutoff/Control Valve
TM
Gas Fired Boiler