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3
General venting
Install vent and combustion air piping
The Armor water heater must be vented and
DANGER
supplied with combustion and ventilation air
as described in this section. Ensure the vent
and air piping and the combustion air supply
comply with these instructions regarding
vent system, air system, and combustion air
quality. See also Section 1 of this manual.
Inspect finished vent and air piping
thoroughly to ensure all are airtight and
comply with the instructions provided and
with all requirements of applicable codes.
Failure to provide a properly installed vent
and air system will cause severe personal
injury or death.
Vent piping materials
Use only the materials listed in Table 3A
WARNING
below for vent pipe, and fittings. Failure to
comply could result in severe personal
injury, death, or substantial property
damage.
Installation must comply with local
NOTICE
requirements and with the National Fuel Gas
Code, ANSI Z223.1 for U.S. installations or
CSA B149.1 for Canadian installations.
For closet and alcove installations, CPVC
WARNING
material MUST BE used in a closet/alcove
structure. Failure to follow this warning
could result in fire, personal injury, or death.
All vent pipes must be glued, properly
NOTICE
supported, and the exhaust must be
pitched a minimum of a 1/4 inch per foot
back to the water heater (to allow drainage
of condensate).
Table 3A Vent Pipe, and Fittings
All vent pipe materials and fittings must comply with the following:
Item
Vent pipe and fittings
Pipe cement/primer
NOTICE: DO NOT USE CELLULAR (FOAM) CORE PIPE
(continued)
Material
PVC schedule 40
PVC-DWV
CPVC schedule 40
PVC
CPVC
This appliance requires a special venting
WARNING
system.
appliance must be made with the starter
CPVC pipe section provided with the
appliance. The field provided vent fittings
must be cemented to the CPVC pipe
section using an "All Purpose Cement"
suitable for PVC and CPVC pipe. Use only
the vent materials, primer, and cement
specified in this manual to make the vent
connections.
warning could result in fire, personal
injury, or death.
Requirements for installation in
Canada
1.
Installations must be made with a vent pipe system
certified to ULC-S636.
IPEX is an approved vent manufacturer in Canada
supplying vent material listed to ULC-S636.
2.
The first three (3) feet of plastic vent pipe from the
appliance flue outlet must be readily accessible for visual
inspection.
3.
The components of the certified vent system must not be
interchanged with other vent systems or unlisted
pipe/fittings. For concentric vent installations, the inner
vent tube must be replaced with field supplied certified
vent material to comply with this requirement.
4.
The 3" Concentric Vent Kit available from Lochinvar (see
Section 4 – Sidewall Termination – Optional Concentric
Vent) and the 3" Concentric Vent Kit available from IPEX
are both approved for use on the Armor water heater.
Both kits are listed to the ULC-S636 standard for use in
Canada.
Standards for installation in:
United States
CPVC and PVC venting must be
ANSI/ASTM D1785
ULC-S636 Certified.
ANSI/ASTM D2665
approved manufacturer in Canada
supplying vent material listed to
ANSI/ASTM F441
ULC-S636.
ANSI/ASTM D2564
ANSI/ASTM F493
Installation & Operation Manual
The vent connection to the
Failure to follow this
Canada
IPEX is an
IPEX System 636
Cements & Primers
15
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