Problem

Possible Cause

 

1.

Low heat is found in natural

 

 

gas models.

Low heat with the

 

 

knob in “HI”

2.

Ports are blocked.

position

 

 

3. LP tank has run out.

Low heat, natural

Gas pressure is significantly

affected by gas line and

gas

length of gas line from house

 

 

gas line.

 

The propane regulator

 

assembly incorporates an

 

excess flow device designed

Low heat,

to supply the grill with

sufficient gas flow. Rapid

LP gas

changes in pressure can

 

 

trigger the excess flow device,

 

providing a low flame and low

 

temperature.

 

 

 

 

1.

Out of gas.

 

2. Excess flow valve tripped.

Sudden drop in

 

 

gas flow or low

3.

Vapor lock at coupling

flame

 

nut/LP cylinder

 

 

connection.

Corrective Action

1.This model is set for 7 in. natural gas usage. Please check your natural gas supply system to have correct gas pressure.

Regulator is not needed for NG model.

Check the orifice if you installed NG nozzles.

2.Clear ports of any obstructions.

3.Refill the LP tank.

Check your gas line and make corrections by following the chart below.

From House to Grill

Distance

Tubing Size

 

 

Up to 25 ft.

3/8 in. diameter

 

 

 

26

-50 ft.

1/2 in. diameter

 

 

 

 

 

2/3 in. of run 3/4 in.

51

-100 ft.

1/3 in. of run 1/2 in.

 

 

 

Please follow these instructions:

1.Make sure all burners are “OFF”.

2.Open the tank valve and wait 5 minutes.

3.Light the burner one at a time following the lighting instructions listed on the door liner

1.Check for gas in LP cylinder.

2.Turn off knobs, wait 30 seconds and light grill. If flames are still low, turn off knobs and LP cylinder valve. Disconnect regulator. Reconnect regulator and leak test. Turn on LP cylinder valve, wait 30 seconds and then light grill.

3.Turn off knobs and LP cylinder valve. Disconnect coupling nut from cylinder. Reconnect and retry.

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Kenmore 148.1615421 manual Low heat is found in natural