Specifications; Replacement Parts; Service Hints; Technical Service - Firewerks VFRMV18NB Owner's Operation And Installation Manual

VFRMV18NB
• Rating (Variable): 20,000/30,000 Btu/Hr
• Gas Type: Natural Gas Only
• Ignition: Piezo
• Manifold Pressure: 3.5" - 1.6" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 10.5" W.C., Minimum* 5.0" W.C.
VFRMV18PB
• Rating (Variable): 23,000/30,000 Btu/Hr
• Gas Type: Propane/LP Only
• Ignition: Piezo
• Manifold Pressure: 10" - 6.3" W.C.
• Inlet Gas Pressure (in. of water):
Maximum 14" W.C., Minimum* 11" W.C.
* For purpose of input adjustment
Manufactured by: DESA, 1769 E. Lawrence St., Russellville, AL 35653
Note: This appliance has been designed-certified by ANS Z21.11.2b-2004 Unvented Room Heaters
and ANS Z21.60-2003.
Decorative Gas Appliances for Installation in Solid Fuel Burning Fireplaces by OMNI Test Laboratories.

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 Technical Service Department at
1-866-672-6040.
When calling DESA, 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), call DESA
at 1-866-672-6040 for referral information.
When calling DESA, have ready
• model and serial numbers of your heater
• the replacement part number
26

SPECIFICATIONS

VFRMV24NB
• Rating (Variable): 24,000/36,000 Btu/Hr
• Gas Type: Natural Gas Only
• Ignition: Piezo
• Manifold Pressure: 3.5" - 1.6" W.C.
• Inlet Gas Pressure (in. of water):
VFRMV24PB
• Rating (Variable): 26,000/34,000 Btu/Hr
• Gas Type: Propane/LP Only
• Ignition: Piezo
• Manifold Pressure: 10" - 6.3" W.C.
• Inlet Gas Pressure (in. of water):
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, con-
tact your local propane/LP or natural gas supplier.
Purchase these heater accessories from your local
dealer. If they can not supply these accessories, call
DESA at 1-866-672-6040 for referral information.
You can also write to the address listed on the back
page of this manual.
EQUIPMENT SHUTOFF VALVE
GA5010
For all models. Equipment shutoff valve with 1/8"
NPT tap. Fits 1/2" NPT pipe.
www.desatech.com
Maximum 10.5" W.C., Minimum* 5.0" W.C.
Maximum 14" W.C., Minimum* 11" W.C.

SERVICE HINTS

ACCESSORIES

116412-01C