Wiring Diagram; Specifications; Replacement Parts; Service Hints - Desa EFS33NR Owner's Operation And Installation Manual

WIRING DIAGRAM

Note : For proper operation of optional accessories, the wires from
the switch to the control must be connected exactly as shown.

SPECIFICATIONS

MODELS EFS33NR & VSGF33NR
Btu (Variable)
Type Gas
Ignition
Pressure Manifold
Inlet Gas Pressure (in. of water)
Maximum
Minimum*
Shipping Weight
* For input adjustment
MODELS EFS33PR & VSGF33PR
Btu (Variable)
Type Gas
Ignition
Pressure Manifold
Inlet Gas Pressure (in. of water)
Maximum
Minimum*
Shipping Weight
* For input adjustment
For more information, visit www.desatech.com
For more information, visit www.desatech.com
107172
Thermopile
20,000/33,000
Natural Gas Only
Piezo
3.5" W.C.
10.5"
5"
122 lbs.
20,000/33,000
Propane/LP Only
Piezo
7.9" W.C.
13"
11"
122 lbs.

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your
warranty coverage for parts replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If they can't supply
original replacement part(s), call DESA International's Technical
Service Department at 1-866-672-6040. When calling DESA Inter-
national, have ready
• your name and address
• model and serial numbers of your fireplace
• how fireplace was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the part to the factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they can't supply original
replacement part(s), call DESA International at 1-866-672-6040 for
referral information. When calling DESA International, have ready
• model number of your fireplace
• the replacement part number

SERVICE HINTS

When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low for propane/LP unit
You may feel your gas pressure is too low. If so, contact your local
gas supplier.

TECHNICAL SERVICE

You may have further questions about installation, operation, or
troubleshooting.
If so, contact DESA International's Technical Service Department
at 1-866-672-6040.
You can also visit DESA International's technical services web site
at www.desatech.com.
WIRING DIAGRAM
SPECIFICATIONS
REPLACEMENT PARTS
SERVICE HINTS
TECHNICAL SERVICE
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