19
Venting
INSTALLATION INSTRUCTIONS
Venting for Direct-Vent Water Heater (cont.)
Exhaust Vent
Pipe
Air Intake
Pipe
Wall plate
Inspection
Access Panel
(Optional)
Air Intake
Pipe
Wall Plate
Inspection
Access Panel
(Optional)
Ceiling
Upward Slope
to Termination
Exhaust Vent
Pipe
Termination
Te e
Ceiling
Upward Slope
to Termination
12”-24”
(31cm-61cm)
Min 36” (91cm)
Max 20’ (6.1m)
6”-12”
(15cm - 31 cm)
36”
(91cm)
36”
(91cm)
Air intake
Exhaust
Termination Tee
AREA WHERE AIR INTAKE
IS NOT PERMITTED
12”-24”
(31cm-61cm)
Joint Connections
for 3” and 4” diameters
• Each female-end of every InnoFlue® vent length or
component features a factory installed gasket. Before
assembly, make sure gaskets are in place correctly.
• Measure the depth of the female socket. Mark* the
male-end of each component just shy of the depth of
the female socket from its end.
• Place a thin layer of Centrocerin, a water based
lubricant onto the male end of component 2 for ease of
assembly.
• Slip a Connector Ring over the male end of
component 2 so that it can grip the gasket bead of
component 1.
• Push and twist male end until properly seated in
component 1, aligning the mark with the top of the
female end.
• Clip the Connector Ring onto the gasket bead to
secure the two components to each other. Rotate the
“hook” to the side or bottom of the joint to facilitate
visual checks.
NOTICE:
To meet requirements of ULC-S636 & UL-1738, only
InnoFlue® Vent Systems of 2", 3", 4" and 5" diameters must
utilize Connector Rings.
Exhaust Vent Installation
Instructions
After the water heaters are mounted securely and
have 20.5” (52 cm) center to center distance, start
assembling the common venting system. Sparingly
apply Centrocerin to the gasket or male end of vent
pipe for ease of assembly.
Install a 3" PVC to PP adapter on the top of the water
heaters.
Install a Non-Return Valve (NRV) with siphon to the
PVC to PP adapter.
1
2
Component 1 Component 2
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