100304509_2000545232_Rev. 01
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33
TEE TERMINATION (SIDEWALL & ROOF)
A Tee fitting as the exhaust termination and a 90° fitting
as the air intake termination are permitted on the water
heater models listed in Table 4.
WATER HEATER
MODEL
MAX. EQUIV.
VENT LENGTH
VENT
DIAM.
40gal, 40k BTU/hr
50’
2”
50gal, 45k BTU/hr
50’
2”
Table 4.
When a Tee termination is used, two additional
vent screens must be purchased and installed (see
Figure 37 and Figure 38). On installations of venting
less than 20’ , a restrictive vent screen must be used. On
installations over 20’ a debris vent screen must be used
(see Figure 41).
12” MIN.*
APPLY SEALANT
TO BOTH SIDES
OF WALL
VENT SCREEN
- INSTALL IN
TERMINATIONS
*OR 12” ABOVE ANTICIPATED
SNOW LEVEL
TEE FITTING
EXHAUST
TERMINATION
90° ELBOW
AIR INTAKE
TERMINATION
VENT SCREEN
- INSTALL IN
TERMINATION
8” MIN.
Figure 37.
24” MAX.
APPLY
SEALANT
TO BOTH
SIDES OF
WALL
VENT SCREEN
(INSTALL IN
TERMINATION)
*OR 12” ABOVE ANTICIPATED
SNOW LEVEL
TEE FITTING
EXHAUST
TERMINATION
90° ELBOW
AIR INTAKE
TERMINATION
VENT SCREEN
(INSTALL IN
TERMINATION)
12” MIN.*
VENT SCREEN
(INSTALL IN
TERMINATION)
WALL MOUNTED
SUPPORT BRACKET
8” MIN.
Figure 38.
A
B
1”
EXHAUST
VENT
TERMINAL
INTAKE
VENT
TERMINAL
1”
“A” & “B”:12” ABOVE
ANTICIPATED SNOW
LEVEL OR 12” MIN.
ABOVE ROOF.
VENT SCREEN
- INSTALL IN
TERMINATIONS
8” MIN.
Figure 39.
