www.desatech.com
116035-01J 45
REPLACEMENT PARTS
SPECIFICATIONS
• Rating: 15,000/21,000 Btu/hr
• Gas Type: Natural Gas Only
• Ignition: Millivolt
• Manifold Pressure: below 2000 ft. eleva-
tion - 3.5" w.c. (0.87 kPa), above 2000 ft.
elevation - 3.8" (0.94 kPa)
• Orifice Size (Main Burner): #44 DMS
(0.086")
• Minimum Inlet Supply Pressure: 5.5" w.c.
(1.1 kPa)
• Firebox Dimensions* (HxWxD):
35 ¾"x 36 ¼" x 14 ¾" (90.8 x 92 x 37.5 cm)
• Rating: 13,000/20,000 Btu/hr
• Gas Type: Propane/LP Gas Only
• Ignition: Millivolt
• Manifold Pressure: 10.0" w.c. (2.5 kPa)
• Orifice Size (Main Burner): #55 DMS
(0.052")
• Minimum Inlet Supply Pressure: 11.0" w.c.
(2.7 kPa)
• Firebox Dimensions* (HxWxD):
35 ¾"x 36 ¼" x 14 ¾" (90.8 x 92 x 37.5 cm)
• Rating: 21,000 Btu/hr
• Gas Type: Natural Gas Only
• Ignition: Electronic
• Manifold Pressure: below 2000 ft. eleva-
tion - 3.5" w.c. (0.87 kPa), above 2000 ft.
elevation - 3.8" (0.94 kPa)
• Orifice Size (Main Burner): #44 DMS
(0.086")
• Minimum Inlet Supply Pressure: 5.5" w.c.
(1.1 kPa)
• Firebox Dimensions* (HxWxD):
35 ¾"x 36 ¼" x 14 ¾" (90.8 x 92 x 37.5 cm)
• Rating: 20,000 Btu/hr
• Gas Type: Propane/LP Gas Only
• Ignition: Electronic
• Manifold Pressure: 10.0" w.c. (2.5 kPa)
• Orifice Size (Main Burner): #55 DMS
(0.052")
• Minimum Inlet Supply Pressure: 11.0" w.c.
(2.7 kPa)
• Firebox Dimensions* (HxWxD):
35 ¾"x 36 ¼" x 14 ¾" (90.8 x 92 x 37.5 cm)
* Flanges and Standoffs Not Included in Measurement
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
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
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
• replace will not produce specied 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 gas supplier.
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 .
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