1. If installed, remove burner grates, burner caps, and burner bases.
2. Remove the existing orifices with a 9/32" (7 mm) nut driver.
3. Replace the orifices with the correct fuel type orifices. Gas orifices are
stamped with a size number. Refer to the orifice chart earlier for correct
NG and LP gas orifice sizes and proper placement.
IMPORTANT: Keep and store the orifices that have just been replaced in
case of re-installation with another gas.
4. Replace the burner bases, burner caps, and burner grates.
62
Igniter hole
Igniter
Orifice
Orifice Size
090
(090 - Denotes 0.90 mm)
Cap
Base
Orifice holder
Need help?
Do you have a question about the COS-GRC304KB and is the answer not in the manual?