
P-K SONIC
®
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: June 2, 2017
Released: June 2, 2017
HARSCO Industrial, Patterson-Kelley 2017
All Rights Reserved.
1004905978 P-K SONIC NURO Installation and
Owners Manual (Rev F Jun-2017).docx
Page 48
4.3 P-K SONIC SC1500GG & SC2000GG
Natural Gas Train and Propane Gas Train Locations (SC1500GG & SC2000GG)
The dual fuel SONIC SC1500GG & SC2000GG feature a two 1-
1/2” gas valves/cocks on the rear
surface as shown below:
1-
1/2” NPT-F
Propane Gas
1-
1/2” NPT-F
Natural Gas
If operating with Natural Gas, ensure the Propane Gas valve/cock is
CLOSED
. If operating with Propane Gas, ensure the Natural Gas valve/cock is
CLOSED
.
Failure to do so could result in equipment damage, injury, and/or death.