www.fmiproducts.com
125502-01D
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REPLACEMENT PARTS
Note: Use only original replacement parts.
This will protect your warranty coverage for
parts replaced under warranty.
Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), call FMI PRODUCTS, LLC at
1-866-328-4537.
When calling, 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.
SPECIFICATIONS
VD1824PR
• Rating: 25,000/36,000 Btu/hr
• Gas Type: Propane/LP
• Ignition: Piezo
• Manifold Pressure: 8.0" w.c.
• Inlet Supply Pressure (inches of water):
Maximum - 14" w.c., Minimum - 11" w.c.
VD1824NR
• Rating: 25,000/36,000 Btu/hr
• Gas Type: Natural
• Ignition: Piezo
• Manifold Pressure: 3.5" w.c.
• Inlet Supply Pressure (inches of water):
Maximum - 10.5" w.c., Minimum - 5" w.c.
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 sup
-
ply 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
installation, operation or troubleshooting.
If so, contact FMI PRODUCTS, LLC at
1-866-328-4537. When calling please have
your model and serial numbers of your heater
ready.
You can also visit our web site at
www.fmiproducts.com.
WIRING DIAGRAM
Thermopile
