Regency P42-NG4 - Manual (Page 16)

Regency ® P42-4 Zero Clearance Direct Vent Gas Fireplace 16
INSTALLATION
RIGID PIPE VENTING ARRANGEMENTS - HORIZONTAL TERMINATIONS
REGENCY ® DIRECT VENT SYSTEM (FLEX) - Propane & Natural Gas
The diagram below shows examples of horizontal termination arrangements using two 90 o elbows.
If length "B" is increased, length "A" must be decreased by a corresponding amount.
Note: 1) A maximum of two 90 o elbows are permitted (two 45 o elbows equal one 90 o elbow).
2) A minimum of 6 ft.(1.8m) vertical from base of unit is required if two 90 o elbows are used.
3) Minimum distance between elbows is 2 ft. (0.6m).
• Maintain a 1-1/4" clearance to
combustibles for rigid pipe systems
and 1-1/2" for Regency
® Flex Vent.
• Horizontal vent must be supported
every 3 feet
• Firestops are required at each fl oor
level and whenever passing through
a wall.
All Rigid Pipe Systems
4" inner diameter
6-5/8" outer diameter
Regency ® Flex Vent
4" inner diameter
6-7/8" outer diameter
A vent guard may be required, check local codes.
Note: Regency ® Direct Vent System (Flex) is only
approved for horizontal terminations.
For All Horizontal Terminations