Desa GVC65PA User Manual

30

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1. Shut off gas supply to

heater.

2. Remove lower front

access panel on heater.

3. Disconnect burner tube

from orifice holder (see
Figure 20).

4. Remove orifice holder

from burner (see Figure
20).

5. Use socket or open-end

wrench to remove the old
orifice from the orifice
holder.

6. Clean and replace orifice,

or replace with new
orifice.

7. Turn on gas to heater and

check for gas leaks. Apply
a mixture of liquid soap
and water to all joints.
Bubbles forming show a
leak. Correct all leaks at
once.

8. Replace lower front

access panel.

Burner
Tube

Orifice
Holder

Orifice

Burner

Black Blue 

Fan Switch

(Off/On/Auto)

Red 

Fan

Switch

(N.O.)

Black 

Red

White

Green

White

On

110/115 V.A.C.

Blower

Motor

Black 

Off

Auto