Dual Flue Minimum Termination Distances - Baxi LUNA DUO-TEC 1.70 User Manual

Dual Flue Minimum Termination Distances

3 15/16"
100 mm
(*) accessories supplied by the boiler's manufacturer
4.1.3 Approved venting materials from other manufacturers
We recommend that the Condensing boiler be vented with the manufacturer's polypropylene venting material. This can be with
either coaxial venting or with the two pipe rigid vent system. Use only materials listed below for vent pipe, intake air pipe and
fittings. Failure to comply could result in personal injury, death or property damage and could void the boiler warranty. Installations
must comply with local code requirements and with U.S.ANSI Z223.1
WARNING
DO NOT USE CELLULAR CORE PIPE
ONLY 3" / 80 mm PIPES ARE PERMITTED (LUNA DUO-TEC 1.70)
ONLY 4" / 100 mm PIPES ARE PERMITTED (LUNA DUO-TEC 1.110)
When using venting material other than the boiler manufacturer's venting, note the correct installation procedure.
WARNING
All venting must be properly supported. The boilers are not intended to support any type of vent system whatsoever.
All piping, glue, solvents, cleaners, fittings and components must conform to ASTM and ANSI standards.
Note: In Canada ULC S636 and in the USA UL 1738 schedule 40 CPVC are the only approved vent system to be used
as an alternative to Baxi polypropylene venting for the exhaust pipe; other than the approved systems listed above in
the Approved Polypropylene Manufacturer's table. In Canada ULC S636 and in the USA UL 1738 schedule 40 PVC may
be used for the vent intake.
WARNING
ABS/PVC venting is not approved for use as a an exhaust vent material. Failure to comply could result in personal
injury, death or property damage and could void the boiler warranty.
Do not use any DWV plumbing pipes to vent this boiler.
Use of cellular core PVC (ASTM F891), cellular core CPVC, or Radel® (polyphenolsulfone) in venting systems shall be
prohibited.
Covering non-metallic vent pipe and fittings with thermal insulation shall be prohibited.
All vent pipe and combustion air pipe and fittings must comply with the following:
Materials used in the U.S. must comply with the following relevant standards: ANSI/ASTM D1785, ANSI/ASTMD2661, ANSI/
ASTM F441.
NOTICE
Adhere to the venting manufacturer's equivalent lengths for fittings. The equivalent lengths mentioned in this
installation manual are for Baxi's polypropylene venting systems only.
2 3/8"
60 mm
21
4 3/4"
120 mm
7 7/8"
2 3/8"
200 mm
260 mm
7703477.01 (1-03/18)