Installation

Specific Conversion Procedures

How to Convert Gas Valve from Regulated to Unregulated

NOTE: Conversion from regulated to unregulated is only needed when regulated tumblers were ordered, but regulated tumblers were needed.

Johnson GM7000 gas valve:

1.Disconnect electrical power from tumbler. Close gas shut-off valve to tumbler. Refer to Figure 7.

2.Follow instructions in Conversion Kit, Part No. 431485 (Johnson Part No. GM-70 CBP).

NOTE: This kit does not contain any burner orifices.

3.Change burner orifice size as required by the appropriate table according to How to Change Burner Orifice Size.

4.Commission tumbler for use.

1

10

9

 

 

2

 

8

 

 

7

 

3

 

6

4

5

 

 

 

TMB2135N

1

Gas Shut-Off Valve Assembly (closed position)

6

Required Burner Orifice Pressure

2

Gas Valve

7

Manometer

3

Burner Orifice

8

Hose - Connect Over Loosened Slotted

4

Regulator Adjusting Housing and Gasket

 

Pressure Tap Screw in Bottom of Gas Valve

 

(Regulated version shown)

9

Spud Holder

5

Gas Valve Bracket

10

Outlet Pressure Tap

Figure 7

22

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