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vI33NRB
• Rating: 22,000/33,000 Btu/Hr
• Gas Type: Natural Gas
• Ignition: Piezo
• Pressure Manifold: 3.5" w.c.
• Inlet Gas Pressure (inches of water):
Max. - 10.5" w.c., Minimum* - 5" w.c.
* For input adjustment
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 Heating, LLC at 1-866-672-6040.
When calling DESA Heating, LLC, have
ready:
• your name
• your address
• model and serial numbers of your heater
• how heater was malfunctioning
• purchase date
TEchNicAl SERVicE
You may have further questions about installa-
tion, operation, or troubleshooting. If so, con-
tact DESA Heating, LLC at 1-866-672-6040.
When calling please have your model and
serial numbers of your heater ready.
You can also visit DESA Heating, LLC's web
site at www.desatech.com.
113195-01J
SpEciFicATiONS
REplAcEMENT pARTS
www.desatech.com
VI33PRB
• Rating: 22,000/33,000 Btu/Hr
• Gas Type: Propane/LP Gas
• Ignition: Piezo
• Pressure Manifold: 8.0" w.c.
• Inlet Gas Pressure (inches of water):
Max. - 14" w.c., Minimum* - 11" w.c.
* For input adjustment
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 Heating, LLC at 1-866-672-6040 for
referral information. A list of authorized dealers
can be found by visiting www.desatech.com.
When calling DESA Heating, LLC, have
ready:
• model and serial numbers of your heater
• 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
You may feel your gas pressure is low. If so,
contact your local natural or propane/LP gas
supplier.
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