Installation manual
www.desatech.com
118531-01C28
OPERATION
FOR YOUR SAFETY 
 WARNING: If you do not fol-
low these  instructions  exactly, 
     
-
 
-
-
  WHAT TO DO IF YOU SMELL GAS
    
 
       
LIGHTING 
INSTRUCTIONS
1.  STOP!  Read  the  safety  information 
above.
2.  Open lower louver panel.
3.  Turn off all electric power to replace.
4.  Push in gas control knob slightly and turn 
clockwise   to OFF.
5.  Wait  ve  (5)  minutes  to  clear  out  any 
gas. Then smell for gas, including near 
the oor. If you smell gas, STOP! Follow 
“B” in the safety information above. If you 
don't smell gas, go to the next step.
6.  The pilot is located by the main burner and 
should not require accessing for lighting.
7.  Turn gas control knob counterclockwise 
 to PILOT (see Figure 45).
8.  Push in gas control knob all the way and 
hold. Immediately light pilot by repeatedly 
pressing piezo spark ignitor until a ame 
appears. Continue to hold for about one 
(1)  minute  after  pilot  is  lit.  Release  gas 
control  knob  and  it  will  pop  back.  Pilot 
should  remain  lit.  If  it  goes  out,  repeat 
steps 5 through 8.
• If gas control knob does not pop up when 
released, stop and immediately call your 
service technician or gas supplier.
• If pilot will not stay lit after several tries, 
turn gas control knob to OFF and call your 
service technician or gas supplier.
9.  Turn on all electric power to replace.
10. Turn gas control knob counterclockwise 
 to ON.
11. This valve is equipped with a HI/LO fea-
ture. Set replace input as desired.
12. Close lower louver panel.
13. To leave pilot lit and shut off burners only, 
turn control knob clockwise   to the 
PILOT position  or set selector switch in 
the OFF position.
Figure 48 - Control Valve
P
I
L
O
T
O
F
F
P
I
L
O
T
O
N
TPTH T P T H
HI
LO
IN
OUT
Gas Control 
Knob
Variable 
Control Knob
Piezo 
Ignitor
TO TURN OFF GAS 
TO APPLIANCE
1.  Open lower louver panel.
2.  Set selector switch in the OFF position to 
prevent draining battery.
3.  Turn off all electrical power to appliance 
if service is to be performed.
4.  Push in gas control knob slightly and turn 
clockwise   to OFF.
5.  Close lower louver panel.










