Installation manual
16
Regency Gemfi re™ Gas Fireplace
INSTALLATION
8” dia.
Flue pipe
5” dia. flue pipe
spring spacer
Termination Cap
AstroCap XL
TM
(Part #946-623/P)
Vent Guard - if required*
(Part #946-506/P)
Wall Thimble
(Mandatory in all
Horizontal Terminations)
Vinyl Siding
Standoff
VENTING ARRANGEMENTS 
HORIZONTAL TERMINATION (FLEX)
Regency
®
 Direct Vent System 
These venting systems, in combination with the Gem54, have been tested and listed as a direct vent system by AGA. The location of the termination 
cap must conform to the requirements in the Vent Terminal Locations diagram from the "Exterior Vent Termination Locations" section.
FPI Direct Vent (Flex) System Termination Kits include all the 
parts needed to install the Gem54 using a fl exible vent.
Notes: 
1)  Liner sections should be continuous without any joints 
or seams.
2)  Only Flex pipe purchased from FPI may be used for Flex 
installations.
3)  Horizontal vent must be supported every 3 feet (0.9m).
4)  A wall thimble is mandatory for all horizontal terminations 
due to high temperatures.
FPI Kit #  Length  Contains:
#946-615 4 Feet
 (1.2 m)
1) 8” (203mm) fl exible liner (Kit length)
2) 5”(127mm)  fl exible liner (Kit length)
3) spring spacers
4) thimble
5)  AstroCap termination cap
6) screws
7)  tube of Mill Pac
8) plated screws
9)  S.S. screws #8 x 1-1/2” (38mm) drill 
point
10)  vinyl siding standoff
#946-618 6 Feet
 (1.8 m)
#946-616 10 Feet
 (3 m )










