INSTALLATION
FLUEING ARRANGEMENTS - HORIZONTAL TERMINATIONS
SIMPSON DURA-VENT DIRECT FLUE GS SYSTEM and
REGENCY® CO AXIAL FLUE SYSTEM (FLEX)
(LPG & NG)
The diagram below shows examples of horizontal termination arrangements using two 90o elbows (two 45o elbows equal one 90o elbow).
Note: 1) A maximum of two 90o elbows are permitted.
2)A minimum of 6 ft. (1.8m) vertical from base of unit is required if two 90o elbows are used.
3)Minimum distance between elbows is 2 ft. (0.6m).
4)Determine the permitted range of horizontal termination arrangements by using chart in section "Simpson
If length "B" is increased, length "A" must be decreased by a corresponding amount.
Simpson
A fl ue guard should be used whenever the termination is lower than the specifi ed minimum or as per local codes.
•Maintain clearances to combustibles as listed in section "Clearances."
•Horizontal flue must be supported every 3 feet (0.9 meters).
•Firestops are required at each floor level and whenever passing through a wall.
14 | Regency® |