www.desatech.com
124452-01A
25
SPECIFICATIONS
TECHNICAL SERVICE
You may have further questions about installa-
tion, operation or troubleshooting. If so, contact
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
.
Models VYS18PC
• Rating (Variable): 16,000/23,000 Btu/Hr
• Gas Type: Propane/LP
• Ignition: Piezo
• Manifold Pressure: 8.0" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 14" W.C., Minimum 11"* W.C.
• Shipping Weight: 27 lbs.
Models VYS18NC
• Rating (Variable): 17,000/24,000 Btu/Hr
• Gas Type: Natural
• Ignition: Piezo
• Manifold Pressure: 3.0" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 10.5" W.C., Minimum 5"* W.C.
• Shipping Weight: 27 lbs.
*For the purpose of input adjustment.
Models VYS24PC
• Rating (Variable): 16,000/26,000 Btu/Hr
• Gas Type: Propane/LP
• Ignition: Piezo
• Manifold Pressure: 8.0" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 14" W.C., Minimum 11"* W.C.
• Shipping Weight: 27 lbs.
Models VYS24NC
• Rating (Variable): 17,000/26,000 Btu/Hr
• Gas Type: Natural
• Ignition: Piezo
• Manifold Pressure: 3.0" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 10.5" W.C., Minimum 5"* W.C.
• Shipping Weight: 27 lbs.
*For the purpose of input adjustment.
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 too low. If
so, contact your local natural or propane/LP
gas supplier.
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 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
• 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), contact your nearest
Parts Central
(see page 28) or call DESA Heating, LLC at
1-866-672-6040 for referral information. A list
of authorized dealers can be found by visiting
www.deaint.com.
When calling DESA Heating, LLC, have
ready
• model number of your heater
• the replacement part number
