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Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions
Installing the water heater.
Before proceeding, make certain you understand the procedures and cautions covered in the Joining
Pipes and Fittings Section.
HORIZONTAL VENT INSTALLATION—Once the
vent terminal location has been determined, make a hole
through the exterior wall to accommodate the vent pipe.
Vent pipe must exit exterior wall horizontally only.
(See illustration.)
Insert a small length of vent pipe through the wall and
connect the coupling as shown in illustration. Place the
1
⁄2″ mesh metal screen inside the vent terminal and connect
it as shown to the vent pipe on the exterior of the building.
Seal any opening around the vent pipe or fittings with
mortar or silicone caulk as shown in illustration.
Complete the rest of the vent pipe installation to the
water heater’s vent connector fitting on the blower outlet.
If necessary, support horizontal run as previously
mentioned. Use silicone sealant at the point the vent
connector joins the blower assembly.
VERTICAL VENT INSTALLATION—Once the vent
terminal location has been determined, make a hole
through the roof and interior ceiling to accommodate the
vent pipe. Complete the vent pipe installation to the water
heater’s vent connector fitting on the blower outlet.
Support vertical or horizontal runs as previously
mentioned. Use silicone sealant at the point the vent
connector joins the blower assembly. Install adequate
flashing where the vent pipe passes through the roof.
Determine the vent terminal height and cut vent pipe
accordingly. Refer to illustration in “Vertical Vent Terminal
Location” section for proper vent terminal height. Connect
vent elbow onto vertical pipe through roof. Connect short
piece of vent pipe (approximately 3″ long) to elbow, then
insert
1
⁄2″ mesh metal screen into terminal elbow and join it
to the short piece of vent pipe.
JOINING PIPES AND FITTINGS—All pipe, fittings,
solvent cement, primers and procedures must conform to
American National Standards Institute and American
Society for Testing and Materials (ANSI/ASTM) standards.
CEMENTING JOINTS—All joints in the vent piping
must be properly sealed and we recommend using the
following material: PVC materials should use ASTM D-2564
grade cement; CPVC materials should use ASTM F-493
grade cement; ABS materials should use ASTM D-2235
grade cement.
All joints in the vent piping must be properly sealed using
the following material and procedure:
Cleaner-Primer and Medium Body Solvent
Cement
Cut pipe end square, remove jagged edges and burrs.
Chamfer end of pipe, then clean fitting socket and pipe
joint area of all dirt, grease or moisture.
After checking pipe and socket for proper fit, wipe
socket and pipe with cleaner-primer. Apply a liberal
coat of primer to inside surface of socket and outside
of pipe. Do not allow primer to dry before applying
cement.
Apply a thin coat of cement evenly in the socket.
Quickly apply a heavy coat of cement to the pipe end
and insert pipe into fitting with a slight twisting
motion until it bottoms out.
NOTE: Cement must be fluid; if not, recoat.
Hold the pipe fitting for 30 seconds to prevent the
tapered socket from pushing the pipe out of the fitting.
Wipe all excess cement from the joint with a rag.
Allow 15 minutes before handling. Cure time will vary
according to fit, temperature and humidity.
NOTE: Stir the solvent cement frequently while
using. Use a natural bristle brush or the dauber
supplied with the can. The proper brush size is 1″.
CAUTION: FOR PROPER INSTALLATION:
• DO NOT use solvent cement that has become
curdled, lumpy or thickened.
• DO NOT thin solvent cement. Observe shelf
precautions printed on the containers.
• For applications below 32°F use only low
temperature-type solvent cement.
• Appropriate solvent and cleaner must be used
for the type of vent pipe used (PVC, CPVC or
ABS).
WARNING: DANGER OF FIRE OR BODILY
INJURY – Solvent cements and primers are highly
flammable. Provide adequate ventilation and do not
assemble near heat source or open flame. Do not
smoke. Avoid skin or eye contact. Observe all
cautions and warnings on material containers.
Typical Horizontal Vent Installation
Mortar or
silicone
caulk
Vent pipe
From water
heater
Pipe coupling
Outside of
building wall
Vent terminal
with 1/2″ mesh
protective screen
inside
2′ x 2′ sheet metal
shield on brick or
masonry walls
Vent Installation
14
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