12 | Installation instructions
4.3.1 Vent material
All combustion air and vent pipe materials and fittings must comply with
PVC schedule 40
CPVC schedule 40
Table 5 Approved vent material
For specific questions concerning vent material, specifications,
usage or installation, please contact the vent manufacturer directly.
Do not use cellular foam core pipe.
All vent connections must be glued, except for the exhaust accessory
(chapter 4.3.4) which is screwed into place on the top of the
appliance. Slide the vent pipe into the exhaust accessory. The exhaust
pipe must be properly supported and must be pitched a minimum of a ¼
inch per foot back to the appliance. This allows the condensate to drain
An optional concentric vent/air intake termination can be used for the
installation of a vertical or horizontal venting system. (see fig. 8).
The concentric vent/air intake body can be ordered from your local
wholesaler. (Part# 196016).
The appliance can also be installed with separate air intake and exhaust
piping (see fig. 11, fig. 18 and fig. 19, page 19).
3- In. Rain Cap
4- In. Diameter SDR-26 Pipe
3- In. Y
2- ½ In. Diameter SDR-26 Pipe
3- In. Condensate drain Tee
1.5- In. Condensate drain bushing
Table 6 Concentric vent part breakdown
6 720 644 887 (2013/02)
ANSI/ASTM D1785 CSA or ULC
Kit part no. and
24 In. long
37-1/8 in. long 1
Fig. 8 Concentric vent kit example
Roof boot/flashing (field supplied)
Drain tee (196278)
Concentric vent kit (196016)
[LA] Maintain 12 in. (18 in. for Canada) minimum clearance above
highest anticipated snow level maximum of 24 in. above roof
C 1210 ES/ESC