Enviro EG 33 Manual Do Utilizador

manufacturer’s instructions and all applicable codes and requirements of the authority having jurisdiction.  If the 
information in these instructions is not followed exactly, a fire, explosion or CO poisoning may result.  The qualified 
service agency is responsible for the proper installation of this kit.  The installation is not proper or complete until the 
operation of the converted appliance is checked as specified in the owner’s conversion kit. 
 
Please read and follow these instructions. Also please read the instruction guide lines provided by S.I.T on how to remove and 
install the HI-LOW regulator. 
 
STEP 1. Carefully inspect all parts supplied with this conversion kit.  
 
STEP 2. Shut the gas off the main gas line to the appliance. 
 
STEP 3. Open the door by undoing the three screws on the bottom of the door, pull door towards you then lift up and out. 

Remove the logs and the burner tray from the unit, this will expose the main burner orifices and the pilot assembly 

 
STEP 4. Change the regulator on the front of the gas valve. (Follow the instructions provided by S.I.T) 
 
STEP 5. To change the pilot orifice: First, remove the two (2) T-20 Torx screws that hold the pilot assembly to the burner tray.  

Lift the pilot assembly from the burner tray.  Using a 10 mm wrench, disconnect the pilot line from the pilot assembly 
and remove the pilot injector. Install the new pilot injector. 

(BE CAREFUL WHEN TIGHTENING THE PILOT FITTING, YOU COULD BREAK THE CERAMIC IGNITER ELECTRODE).  
 
STEP 6. Re-install the pilot assembly in the reverse order of STEP 5. 
 
STEP 7. Remove the two (2) main burner orifices using a ½” deep socket  
 
STEP 8. Install the two (2) new orifices supplied making sure that the orifices are in the correct location. Be sure to put a bead 

of pipe thread sealant or approved Teflon tape on the orifices before installing them into the burner assembly. 

 
STEP 9. Reinstall the burner tray, log set and door. 
 
STEP 10. Turn the gas line to the unit back on. Do a leak check using a soap and water solution or an approved manner on 

the gas supply line and the pilot tubing.  

 
STEP 11. Re-light the appliance to insure proper operation and proper flame appearance. Be sure to adjust the venturi setting 

to achieve an efficient flame in the fireplace. 

 
STEP 12. MAKE SURE that the sticker provided by S.I.T is installed to signify that this valve has been converted to a different 

type of fuel. Also make sure that the rating plate has a conversion label provided, to show that this unit has been 
converted to a different fuel type. 

 
A VISUAL CHECK OF THE REGULATOR KNOB IS NECESSARY TO DETERMINE WHETHER OR NOT THE REGULATOR 
IS THE CORRECT PART.  A 50% TURN DOWN REGULATOR WILL HAVE ONLY ONE CORNER ON THE KNOB. 

 
 

 

1 50% turn down HI-LOW Regulator w 3 T-20 Torx screws 
1 pilot injector 
2 Main orifices 
1 Pilot assembly mounting gasket 

 
 
 

NATURAL GAS 

PROPANE 

Pilot Orifice. 

.51 mm 

.35 mm 

Burner Orifice. 

Front #48 

Front #56 

 

Rear #50 

Rear #57 

Venturi Settings 

Front 1/16” 

Front 1/4” 

 

Rear  1/16” 

Rear  1/4“

 

 

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