TABLE OF CONTENTS
Product Specifications ...................................................................................................................... 2
Safety Information ............................................................................................................................ 3
Package Contents ............................................................................................................................ 6
Product Features .............................................................................................................................. 7
Preparing for Installation............................................................................................................8 -10
Installation ............................................................................................................................... 11 - 21
Unpacking....................................................................................................................................... 16
Assembly Instructions..............................................................................................................22 - 27
Operation .................................................................................................................................28 - 30
Care and Maintenance ............................................................................................................31 - 32
Troubleshooting .......................................................................................................................33 - 35
Replacement Parts ......................................................................................................................... 36
Warranty ......................................................................................................................................... 37
PRODUCT SPECIFICATIONS
ITEM
Input Rating
Minimum Input Rating
Gas Type
Ignition
Manifold Pressure
Inlet Gas Pressure *For purposes of input adjustment
Maximum
Minimum*
SERVICE HINTS
When Gas Pressure Is Too Low:
• Pilot will not stay lit
• Burners will have delayed ignition
• Heaters will not produce specified heat
VFL3-SO18DT
VFL3-EO18DT
30,000 BTU/Hr
15,000 BTU/Hr
24,000 BTU/Hr
Natural
Propane
Electronic Push
Electronic Push
Button
Button
5 in. W.C.
10 in. W.C.
14 in. W.C.
14 in. W.C.
6 in. W.C.
11 in. W.C.
• 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 natural or propane/LP gas supplier.
VFL2-SO24DT
VFL2-EO24DT
VFL2-WW24DT
VFL2-RW24DT
15,000 BTU/Hr
Natural
Electronic Push
Button
5 in. W.C.
14 in. W.C.
6 in. W.C.
2
VFL3-SO24DT
VFL3-WW24DT
VFL3-RW24DT
30,000 BTU/Hr
24,000 BTU/Hr
Propane
Electronic Push But-
ton
10 in. W.C.
14 in. W.C.
11 in. W.C.