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FV42 85-03-01068
Sealant Types Approved for Use ................................................................................................................. 25
R-VALUE TABLES ................................................................................................................................................. 26
WILLOWBROOK/GRACE FRONT GUIDE OPTIONS ............................................................................................... 27
GAS SUPPLY REQUIREMENTS .............................................................................................................................. 29
Gas Supply Line Sizing ..................................................................................................................................... 29
Gas Pressure Requirements ............................................................................................................................ 30
Gas Input Rate Verification Requirements ..................................................................................................... 31
Natural Gas Applications Gas Input Rate Verification Procedures ............................................................. 31
LP Gas Applications Gas Input Rate Verification Procedures ..................................................................... 31
High-Altitude Derating .................................................................................................................................... 31
CONVERTING FIREPLACE FOR LP GAS ................................................................................................................. 32
Orifice Sizes Requirement ............................................................................................................................... 32
Procedure to Convert Fireplace for LP Gas ..................................................................................................... 32
Pilot Flame and Main Burner Relationship Verification .............................................................................. 36
Pilot Flame Length Adjustment ................................................................................................................... 36
LP Gas Pressure Requirements ....................................................................................................................... 37
LP Gas Proper Input Rates .......................................................................................................................... 37
Leak Testing Requirements ......................................................................................................................... 37
Attaching LP Gas Conversion Label ............................................................................................................. 38
Checking Burner Ignition Characteristics .................................................................................................... 38
ELECTRICAL SUPPLY REQUIREMENT ................................................................................................................... 39
Planning for AC 120VAC Connection .............................................................................................................. 39
Backup DC Power Inlet Port Installation ......................................................................................................... 40
FLUE VENTING INSTRUCTIONS............................................................................................................................ 41
General Venting Information .......................................................................................................................... 41
Component "Twist-Lock" Connection Procedure ....................................................................................... 41
Vent Cap Heat Shield .................................................................................................................................. 42
Exterior Vent Locations and Restrictions .............................................................................................. 43
Flue Venting Components Identification ........................................................................................................ 44
Master Flue Venting Requirements Chart ...................................................................................................... 45
Important Venting Configuration Notes ......................................................................................................... 46
Maximum Horizontal Run ........................................................................................................................... 46
Maximum Vent System Length ................................................................................................................... 46
Using 90° Elbows ......................................................................................................................................... 46
Using 90° Elbows When the Initial Starter Vertical Section Is Less Than 4’ ................................................ 46
Using 45° Elbows ......................................................................................................................................... 47
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