Convert From Propane Gas To Natural Gas - Jenn-Air JGC3115GS Serie Instructions

1. Turn manual shut-off valve to the closed position.
A
A. To cooktop
B. Shut-off valve (closed position)
C. Gas supply line
2. Unplug cooktop or disconnect power.
To Convert Gas Pressure Regulator
A
A. Access cap
B. Rear of cooktop
C. Gas pressure regulator
D. Gas flow
3. Determine the type of regulator you have:
Style 1: The cap has a slot and "LP" printed on it.
Remove access cap by using a flat-blade screwdriver
or coin, turning the access cap counterclockwise.
The gas pressure regulator has 2 settings that are stamped
on either side of the cap. Turn the cap and reinstall into
regulator with the stamp "NAT" visible from the outside of
the regulator.
6

Convert from Propane Gas to Natural Gas

B
C
B
C
D
NAT
Style 2: The cap does not have a slot and requires a wrench
to be removed.
Remove the access cap by using a wrench, turning the
access cap counterclockwise.
Remove spring retainer from the cap by pushing against
the flat side of the spring retainer. Look at the spring retainer
to locate the "NAT" or "LP" position. Turn over the spring
retainer so the "NAT" is showing on the bottom. Snap the
spring retainer back into the cap. Reinstall the cap onto
the regulator.
E D
A. Access cap
B. Gasket
C. Gas pressure regulator
4. If the burner grates are installed, remove them.
Use the following charts to match the correct gas orifice
spud with the burner location and model being converted.
Natural Gas Orifice Spud Chart
Burner Stamp
Size
Rating (A)
775 BTU* 80 0.80 mm 1
1,300 BTU** 53 0.53 mm 1
15,000 BTU 170 1.70 mm 2
20,000 BTU 200 2.00 mm 1
* Simmer orifice for the dual-ring wok burner
** Simmer orifice for the dual stack burner
Burner Models
Model No. Front
JGC3115GS N/A
15,000
JGC3215GS
BTU
A
B
C
D. "NAT" position
E. "LP" position
Quantity
A
A. Size stamp
Rear Center Simmer
N/A 20,000 775
BTU BTU
15,000 N/A 1,300
BTU BTU