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507371-02

Issue 1706

Page 2 of 5

2. Remove the access panel. Move the automatic gas

valve switch to OFF. See Figure 1.

3.

Disconnect the gas supply from the gas valve.

Disconnect the wiring harness at the gas valve.

4. Remove the screw that secures the burner box front

cover and remove front cover. See Figure 2 or Figure

3.

5. Remove the four manifold securing screws. Remove

the manifold/gas valve assembly. Replace the main

burner  orifices  with  the  provided  orifices.  Torque  to

approximately 35 in-lbs. See Figure 2 or Figure 3 .

NOTE: 

LP/Propane orifices will be labeled (LP .034).

Burners

Sensor

Ignitor

Burner

Box Top

Cover

Burner Box

Front Cover

Screw

Manifold

Orifice

Figure 2. 

BG

802 Burner Box

 IMPORTANT

DO NOT

 use pipe dope or any pipe sealant on gas orifice 

threads.

6. Gas Valve Conversion

a.

Remove both high fire and low fire springs from

the gas valve. See Figure 4.

b.

Replace both high fire and low fire springs with the

provided LP springs color-coded white.

c.

Install the high fire adjustment screw and adjust

approximately 12 turns.

d.

Install  the  low  fire  adjustment  screw  and  adjust

approximately 8 turns.

e. Install both regulator screw covers.

Gas

Orifices

Sensor

Screw

Gas Valve

Ignitor

Gas

Valve

Regulator

Vent

Hose

Manifold

Securing

Screw

Figure 3. 

BG

952

 

Burner Box

High Low

Regulator

Cover Screw

Plastic Regulator

Adjustment Screw

Regulator Spring

Figure 4. 

7. BG802 

units with Nox inserts being converted

 

from 

natural to LP/Propane.

a.

Remove the burner box assembly from the

 

vestibule panel.

b.

Remove the screws which secures each of the

 

NOx inserts to the clamshell. Remove the NOx

 

inserts and reinstall the screws. See Figure 5.

c.

Re-install burner box assembly.

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