TECHNICAL

SERVICE

SPECIFICATIONS

SERVICE

HINTS

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

 

18" Model

24" Model

30" Model

Btu (Variable)

16,000/30,000

20,000/39,000

20,000/39,0000

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Piezo

Manifold Pressure

3.5" W.C.

3.5" W.C.

3.5" W.C.

Inlet Gas

 

 

 

Pressure (in. of water)

 

 

 

Maximum

10.5"

10.5"

10.5"

Minimum*

5"

 

 

Shipping Weight

28 lbs.

30 lbs.

32 lbs.

* For the purpose of input adjustment

When gas pressure is too low

pilot will not stay lit

burners will have delayed ignition

heater will not produce specified heat

When gas quality is bad

pilot will not stay lit

burners will produce flames and soot

heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local natural gas supplier.

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Desa Tech CGD3018N, CGD3924N, CGD3930N installation manual Technical Service, Service Hints, Model