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 not supply original replacement
part(s), call DESA's Technical Service Depart-
ment at 1-866-672-6040.
When calling DESA, have ready
• your name
• your address
• model and serial numbers of your stove
and burner system
• how burner system 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 not supply original replacement
part(s), call DESA at 1-866-672-6040 for
referral information.
When calling DESA, have ready
• model number of your stove and burner
system
• the replacement part number
tecHnicaL service
You may have further questions about instal-
lation, operation, or troubleshooting. If so,
contact DESA's Technical Service Department
at 1-866-672-6040. When calling, please
have your model and serial numbers of your
heater ready.
You can also visit DESA's technical service
web site at www.desatech.com.
service Hints
When Gas Pressure is Too Low:
• pilot will not stay lit
• burners will have delayed ignition
• burner system will not produce specified
heat
• propane/LP gas supply might be low (pro-
pane/LP units only)
You may feel your gas pressure is too low. If
so, contact your local natural or propane/LP
gas supplier.
32
prior to disconnection when
servicing controls. Wiring errors
can cause improper and dan-
gerous operation. Verify proper
operation after servicing.
110/115
V.A.C.
Figure 53 - Blower Wiring Diagram for
Thermostat-Controlled Models
SBVBND
• Rating: 30,000 Btu/hr
• Gas Type: Natural Gas
• Manifold Pressure: 3.5" W.C.
• Minimum Inlet Supply Pressure: 5.0" W.C.
• Thermal Efficiency: 70%
• Dimensions, (HxWxD):
27" x 21
SBVBPD
• Rating: 28,000 Btu/hr
• Gas Type: Propane/LP Gas
• Manifold Pressure: 10.0" W.C.
• Minimum Inlet Supply Pressure: 11.0" W.C.
• Thermal Efficiency: 70%
• Dimensions, (HxWxD):
27" x 21
www.desatech.com
WirinG diaGram
CAUTION: Label all wires
Variable
Fan Switch
1
Off
2
On
Black
White
Green
sPeciFications
/
" x 18" (68.6 x 54.6 x 45.7 cm)
1
2
/
" x 18" (68.6 x 54.6 x 45.7 cm)
1
2
Fan Switch
(N.O.)
Black
Blue
Blower
Motor
112127-01C