GAS CONVERSIONS. Jenn-Air 720-0709B Sam's Club, FREESTANDING OUTDOOR GRILLS, 720-0709B Costco, 730-0709B, 720-0709B, FREESTANDING OUTDOOR GRILL

Below you will find brief information for Outdoor Grill 720-0709B (LP), 730-0709B (NG). This guide provides detailed instructions for installing, using, and maintaining your JENN-AIR freestanding outdoor grill. It covers safety precautions, gas connections, gas conversions, cooking tips, and troubleshooting. You'll learn about the different components, how to operate the grill, cleaning procedures, and how to address potential issues.

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GAS CONVERSIONS

6. Use an adjustable wrench to remove the LP regulator from the manifold.

Tools and Parts for Gas Conversion

Gather the required tools and parts before starting installation.

Read and follow the instructions provided with any tools listed here.

Tools needed

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Phillips screwdriver

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Pipe wrench

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Adjustable wrench

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6 mm socket and wrench or

6 mm nut driver

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Thin flat-blade screwdriver

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Pliers

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Pipe thread sealant certified for LP gas

Parts supplied

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Natural gas orifices

Parts needed

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Natural gas conversion kit Part Number 710-0003. See

“Assistance” section to order. The conversion kit includes:

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Natural gas regulator 4" W.C. (marked “Natural Gas

Regulator”)

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10 ft (3.0 m) Natural gas hose with quick connector

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5.9" (150 mm) Natural gas regulator hose

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6 mm nut driver

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6 mm wrench

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Allen key

IMPORTANT: Gas conversions must be done by a qualified installer. Before proceeding with conversion, shut off the gas supply to the appliance prior to disconnecting the electrical power.

7. Use an adjustable wrench to install the Natural gas regulator hose to the manifold and secure. Attach the Natural gas regulator to the side panel inside the grill cart with the two screws that are preassembled on the regulator.

WARNING

Explosion Hazard

Use a new CSA International approved “outdoor” gas supply line.

Securely tighten all gas connections.

Failure to do so can result in death, explosion, or fire.

Conversion from LP Gas to Natural Gas

I nstallation of the regulator

1. Turn off the main gas supply valve.

2. Unplug grill or disconnect power.

3. Disconnect 20 lb LP gas fuel tank (if present).

4. Turn off all burner control valves.

5. Remove the 20 lb LP gas fuel tank (if present) from the grill cart.

Make Gas Connection

1. A combination of pipe fittings must be used to connect the grill to the existing gas line.

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The 10 ft (3.0 m) PVC flexible gas supply hose designcertified by CSA must be used.

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Pipe-joint compounds suitable for use with Natural gas must be used. Do not use Teflon ®† tape.

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There must be a certified manual shutoff valve in the gas supply line near the grill for easy access.

2. Connect the brass connector on one end of the 10 ft (3.0 m)

PVC flexible gas supply hose to the Natural gas pressure regulator.

†®TEFLON is a registered trademark of E.I. Du Pont De Nemours and Company.

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3. Connect the quick connector on the other end of the

10 ft (3.0 m) PVC flexible gas supply hose to the rigid Natural gas supply pipe.

A C

3. Use a 6 mm socket and wrench or 6 mm nut driver to remove the brass orifice from the end of gas valve. The main burner orifice is located behind the LP orifice, so no additional orifice needs to be installed.

A. Manifold

B. Left side panel

C. Natural gas pressure regulator/hose assembly

D. 10 ft (3.0 m) PVC gas hose

Change Grill Burner Valve Orifices

1. Remove the grates and flame tamers.

2. Remove 1 screw and clip that hold the burner in place. Set the screw and clip aside. Remove the burner from the grill by lifting the burner out.

A. Main burner orifice

IMPORTANT: Check that the orifice is properly installed inside of the burner opening.

4. Reinsert the burner and reattach using the screw and the clip previously removed. Repeat the procedure for each main burner.

5. Position the igniters so they are ¼" (6.0 mm) away from each burner.

Change the Rotisserie/Infrared Burner Orifice

1. Using a Phillips screwdriver, unscrew the 2 screws and remove the rotisserie/infrared burner wind baffle.

Wind Baffle

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2. Remove the access cover at the back of the grill by removing the 6 screws at the back of firebox.

5. Take out the orifice support, and then use a 6 mm socket and wrench or 6 mm nut driver to remove the LP orifice at the end of the supply pipe. Replace with Natural gas orifice.

A. Access cover

3. Using a Phillips screwdriver, remove the screw holding the spider guard to the burner.

Orifice

IMPORTANT: Check that the orifice is properly installed inside of the supply pipe.

6. Reinstall the spider guard, access cover, and wind baffle.

Change the Sear Burner Orifices

1. Remove the 2 screws securing the igniter and remove the igniter from the side burner.

4. Use 24 mm wrench to remove the orifice nut.

A. Orifice nut

2. Remove the searing side burner screws. Set the screws and cover aside.

3. Lift the searing side burner out of the grill.

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4. Use 6 mm socket wrench or 6 mm nut driver to remove the orifice. Replace with the Natural gas orifice.

Adjust High Flame Setting Screw

When converting from LP to Natural gas, you will need to adjust the high flame setting screw for ideal burner flame height.

1. Remove each control knob for the main burners and side burner by loosening the setscrew with the Allen key.

2. Use a flat-blade screwdriver to turn the high flame setscrew counterclockwise approximate 90°.

A. Orifice

IMPORTANT: Check that the orifice is properly installed inside of the valve.

5. Reinstall the searing side burner. Make sure that the igniter is out of the way to allow proper positioning of burner. Use

Phillips screwdriver to attach the mounting screws.

6. Use Phillips screwdriver to reattach the igniter and searing side burner plate.

7. Reinstall searing side burner cover. Use Phillips screwdriver to attach mounting screws.

8. Open the manual shutoff valve in the gas supply line. The valve is open when the handle is parallel to the gas pipe.

3. Check that burner operates at the new high flame setting. It may be necessary to adjust the screw setting slightly more to get the ideal burner flame height.

A. Closed valve

B. Open valve

9. Test all connections using an approved noncorrosive leakdetection solution. Bubbles will show a leak. Correct any leak found.

Record Conversion

1. The appliance nameplate is located inside the grill cabinet on the left-hand cabinet side. With a permanent marker, check the box next to “Natural gas” and mark through “LP -

Propane.”

In the last page of the Use and Care Guide, write “Converted to

Natural Gas.” Also record the conversion date and the technician/ company that performed the conversion.

NOTE: Place LP gas parts in plastic parts bag for future use and keep with pack containing literature.

16 Key features

Installation instructions
Use and care guide
Gas conversion instructions
Safety information
Troubleshooting
Replacement parts information

Frequently asked questions

Follow the instructions in the "Make Gas Connection" section. Ensure all connections are tight and leak-tested using a noncorrosive leak-detection solution.

The model/serial number rating plate is located on the inside of the left cabinet door.

Shut off gas to the appliance. 2. Extinguish any open flame. 3. Open lid. 4. If odor continues, keep away from the appliance and immediately call your gas supplier or your fire department.

No, storage of an outdoor cooking gas appliance indoors is permissible only if the cylinder is disconnected and removed from the outdoor cooking gas appliance.