SPECIFICATIONS
Model VF18NBTB
• Input Rating: 24,000/36,000 Btu/Hr
• Fuel: Natural Gas
• Ignition: Electronic
• Manifold Pressure: 3.5" W.C.
• Inlet Gas Pressure (in. of water):
Max. - 10.5" W.C, Min. - 5.0 W.C *
• Shipping Weight: 32 lbs.
Model VF18PBTB
• Input Rating: 24,000/36,000 Btu/Hr
• Fuel: Propane/LP Gas
• Ignition: Electronic
• Manifold Pressure: 10" W.C.
• Inlet Gas Pressure (in. of water):
Max.- 14" W.C, Min. - 11" W.C *
• Shipping Weight: 32 lbs.
Model VF24NBTB
• Input Rating: 25,000/39,000 Btu/Hr
• Fuel: Natural Gas
• Ignition: Electronic
• Manifold Pressure: 3.5" W.C.
• Inlet Gas Pressure (in. of water):
Max. - 10.5" W.C, Min. - 5.0 W.C *
• Shipping Weight: 34 lbs.
Model VF24PBTB
• Input Rating: 25,000/39,000 Btu/Hr
• Fuel: Propane/LP Gas
• Ignition: Electronic
• Manifold Pressure: 10" W.C.
• Inlet Gas Pressure (in. of water):
Max.- 14" W.C, Min. - 11" W.C *
• Shipping Weight: 34 lbs.
* For purpose of input adjustment
WIRING DIAGRAM
126857-01A
Thermopile
www.SuperiorFireplaces.US.com
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• (for propane/LP units) propane/LP gas
supply may be low
You may feel your gas pressure is too low. If
so, contact your local propane/LP or natural
gas supplier.
TECHNICAL SERVICE
You may have further questions about instal-
lation, operation, or troubleshooting. If so,
contact INNOVATIVE HEARTH PRODUCTS
at 1-800-655-2008. When calling please
have your model and serial numbers of your
heater ready.
You can also visit our web site at
www.IHP.US.com.
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 INNOVATIVE HEARTH PRODUCTS at
1-800-655-2008.
When calling, have ready:
• your name
• your address
• model and serial numbers of your appli-
ance
• how appliance 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.
25