Installation – Desa VVDR24 User Manual
Page 10

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124183-01B
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Installation and Gas Connection
1. Place burner pan assembly in center of 
fireplace floor. Make sure front of pan 
faces forward.
2. Thread gas supply fitting to fireplace gas
supply pipe. Use thread sealant.
3. Install adapter fitting onto burner inlet fit-
ting using thread sealant on male threads 
of burner inlet fitting (see Figure 7). Adjust 
to most convenient position.
4. Install gas connector tube to gas supply
fitting. Carefully shape tube to attach to 
adapter fitting. Be careful not to cause 
kinks in tube.
INSTALLATION
Continued
Figure 7 - Connecting Gas to Appliance
Adapter 
Fitting
Gas 
Connector 
Tube
Burner Pan 
Assembly 
(Facing Front 
of Fireplace)
OPTIONAL	GA9050A-1	ON/OFF	SAFETY	
VALVE/PILOT KIT ASSEMBLY
For additional convenience and safety, or for 
propane/LP conversion, an optional ON/OFF 
safety valve/pilot kit is available. See Acces-
sories, page 24.
WARNING: You must use a
ON/OFF safety valve/pilot kit for
propane/LP conversion.
Natural Gas Installation
1. Thread gas control valve onto burner inlet 
fitting (see Figure 8). Use thread sealant 
on male threads of burner inlet fitting. Hold 
burner inlet fitting with a wrench to prevent 
overtightening connection to the burner. 
Make sure control rod is facing the front 
(see Figure 8).
2. Attach pilot gas line to pilot outlet of gas
control valve and tighten. Connect ther-
mocouple to rear of gas control valve. 
See Figure 9. Do not overtighten. If us-
ing propane/LP gas, see Changing Pilot 
Orifice, page 12.
3. Install inlet fitting into inlet opening of gas
control valve (see Figure 10). Use thread 
sealant on male pipe threads.
4. Place burner pan assembly in center of
fireplace floor. Make sure front of pan 
faces forward.
5. Thread gas supply fitting to fireplace gas
supply pipe. Adjust to most convenient 
position.
Burner Inlet 
Fitting
Gas Control 
Valve
Burner Pan 
Assembly
Figure 8 - Installing Gas Control Valve
Control Rod
Figure 9 - Gas Control Valve with
Thermocouple and Pilot
Figure 10 - Installing Inlet Fitting and
Gas Connector Tube
Thermocouple 
and Line
Pilot and 
Line
Gas Control 
Valve
Gas Control 
Valve
Gas Inlet 
Fitting
Gas 
Connector 
Tube
Inlet 
Opening
