Noritz EZTR40 Guida utente
EZTR40 START-UP GUIDE
VENT KIT FOR TANKLESS WATER HEATER
1-866-766-7489
WWW.NORITZ.COM
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SCAN FOR
INSTALLATION VIDEO
2 VENT KIT
PRE-INSTALLATION
PLANNING INSTALLATION
Compare all parts with the Package Contents list. If any part appears missing or damaged, do not install this kit. Contact
Customer Service immediately at 1-866-766-7489.
TOOLS REQUIRED
Marker Tape
Measure
Flathead
Screwdriver
2 Inch PVC Cutter
Box Cutter
PACKAGE CONTENTS
M
B
R
Bag 1 Bag 2
K
A
N
D
H
F
I
E
Part Description Quantity Part Description Quantity
A Flex feeder 1 J 1
B Base junction support 1 K
4” Diffuser Gasket
1
C
Diffuser
1 L
O-ring lubricant
1
D
Diffuser gasket
1 M
45° elbow
1
E 1 N Screws 2
F
Cutting guide
1 O Aluminum tape 1
G
Coupler retainer
1 P
Flex pipe
1
H
Coupler O-ring
1 Q
Base junction adapter set
1
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G
3” Top flex support
R Flex sleeve 1
Q
L
I
Rain cap adapter
1
J
C
4” Top flex support
Bag 3
P
O
3
INSTALLATION
1Remove the B-vent (from the ceiling
12
2
Measure the vent length from the
bottom of the B-Vent to the roof
termination.
1
down and the tank.
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Determine the size of your venting.
Is it 3” or 4”?
3
4
INSTALLATION (CONTINUED)
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4Install the base junction support based on the 3” or 4” venting structure.
3” B-vent Termination 4” B-vent Termination
M
B
Install the base junction
support onto the B-vent.
If no B-vent is protruding,
install the base junction
adapter.
Place the base junction
adapter gasket.
Screw the base junction
adapter into place.
If no B-vent is protruding,
install the base junction
adapter.
C
B
Install the base junction
support onto the B-vent.
If B-vent is protruding,
install the base junction
adapter.
C
1
2
3
M
B
Screw the base junction
adapter into place.
Install the base junction
support onto the B-vent.
C
4A 4B
4A1
4B1
4B2
OR
4B3
4C
4C1
4C2
4D
Place the base junction
adapter gasket.
C
Screw the base junction
adapter into place.
Install the base junction
support onto the B-vent.
4D1
4D2
4D3
C
B
C
5
INSTALLATION (CONTINUED)
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5
□the B-vent to the rain cap 2 . Mark and tighten 3 .
B
12
A
Q
B
3
Q
Do not cut the
flex vent yet
6 VENT KIT
INSTALLATION (CONTINUED)
6Remove the rain cap.
WARNING
Use extreme caution when working on rooftops.
□Climb up to the roof, remove the rain cap and
place it in parts bag #2, ensuring it will not fall off.
Clean any debris from the inside of the rain cap and
B-vent.
Bag 2
7
Bag 2
Q
8press into B-vent.
Q
H
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I
For 3” B-vent termination For 4” B-vent termination
OR
Q
7 VENT KIT
INSTALLATION (CONTINUED)
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9
PLEASE PAUSE FOR A MOMENT
Please verify if the installation of a rain cap of different appearance will conflict with Home
If OK, please proceed with step 9.
Cut the flexpipe according to the mark. Rotate & insert rain cap adapter until
flex support is covered.
J
*After completion of step 9, skip steps 10 - 12 and
proceed with step 13.
Mark
1 to 3 ribs
If NOT please skip step 9 and go to step 10.
JUniversal Rain Cap
This is the default, universal rain cap that can be used to replace the former rain cap at the
installation site. It enables you to easily cut the flex pipe and install without having to take into
consideration the varying rain caps and their different fittings and sizes.
Brand Name Rain Cap
Sometimes you may run into scenarios when Home Owners Associations have rules preventing
rain caps that vary in apperance. If this is the case, you will have to use the included measuring
tool to ensure the right cut to match the existing rain cap’s specification.
If this is the case, skip step 9 and proceed to step 10.
Owners Associations rules to prevent future issues.
8
INSTALLATION (CONTINUED)
11 Attach the diffuser gasket for 3”
F
M
Q
Good
Too Short Too Long
13 Install the water heater according to
the EZTR40 Installation Manual.
H
L
Ceiling
(Max. 5 feet)
(Min. 2 feet)
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12 Re-install the rain cap.
M
10
E
rain cap.
D
For 4”
Rain Cap Install 4” diffuser
gasket over the
diffuser. Insure
both gaskets are
completely touching.
G
Q
D
D
FG
D
F
4” installation
M
10 VENT KIT
INSTALLATION (CONTINUED)
14
Attach the 45° elbow to the
connector pipe until fully seated.
3"
15
length (longer length better than
short). Flex vent cannot be
lengthened after this point!
16
required.
17
Tighten base junction support to
B
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R
P
10
INSTALLATION (CONTINUED)
18
Attach O-ring and coupler retainer.
Ensure there is no space between
the O-ring and coupler.
L
K
L
QQ
K
L
19
Remove elbow assembly from the
top of the heater and attach to the
LM
P
K
20
Re-connect the elbow assembly to
the heater.
P
3"
21
Test the system for carbon
monoxide leaks.
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