20
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY -
OPTIONAL 4” VENT PIPING
4” PVC, ABS or CPVC Schedule 40 vent piping:
• A wire screen to fit a 4” PCV, ABS or CPVC Schedule 40 - 45
o
vent cap is supplied with the water heater.
• A 4” PVC, ABS or CPVC Schedule 40
- 45
o
vent cap (must be
supplied locally).
• A 3” PVC, ABS or CPVC Schedule 40 pipe, minimum length
of 3” (must be supplied locally), to make vent connection at
the blower outlet.
• A 4” to 3” PVC, ABS or CPVC Schedule 40 reducer (must be
supplied locally).
• A 4” PVC, ABS or CPVC Schedule 40 - 90
o
street ell; used to
connect the vent pipe to the reducer when the vent pipe is to
be turned horizontally off the blower (supplied locally).
• 4” PVC, ABS or CPVC Schedule 40 pipe (must be supplied
locally).
FIGURE 31.
• The water heater requires its own (separate) venting
system.
• 4” and 3” PVC, ABS or CPVC Schedule 40 piping and fittings
are acceptable materials for the vent system on all 75 gallon
70,000 and 75,000 BTU/HR models.
• It cannot be connected to existing vent piping or chimney.
• It must terminate horizontally to the outdoors.
ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS ONLY
3” PVC, ABS or CPVC Schedule 40 vent piping:
• A 3” PVC Schedule 40 - 45
o
vent cap with wire screen is
supplied with the water heater.
• A 3” PVC, ABS or CPVC Schedule 40 - 90
o
street ell; used to
connect the vent pipe to the water heater when the vent pipe
is to be turned horizontally directly off the blower (supplied
locally).
• 3” PVC, ABS or CPVC Schedule 40 pipe (must be supplied
locally).
FIGURE 32.
• The water heater requires its own (separate) venting
system.
• 3” PVC, ABS or CPVC Schedule 40 piping and fittings are
acceptable materials for the vent system on all 40 and 50
gallon 40,000 BTU/HR models.
• It cannot be connected to existing vent piping or chimney.
• It must terminate horizontally to the outdoors.
ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS - OPTIONAL
2” VENT PIPING
2” PVC, ABS or CPVC Schedule 40 vent piping:
• A wire screen to fit a 2” PCV, ABS or CPVC Schedule 40 - 45
o
vent cap is supplied with the water heater.
• A 2” PVC, ABS or CPVC Schedule 40 - 45
o
vent cap (elbow)
(must be supplied locally).
• A 3” PVC, ABS or CPVC Schedule 40 pipe, minimum length
of 3” (must be supplied locally), to make vent connection at
the blower outlet.
• A 3” to 2” PVC, ABS or CPVC Schedule 40 reducer (must be
supplied locally).
• A 2” PVC, ABS or CPVC Schedule 40 - 90
o
street ell; used to
connect the vent pipe to the reducer when the vent pipe is to
be turned horizontally off the blower (supplied locally).
• 2” PVC, ABS or CPVC Schedule 40 pipe (must be supplied
locally).
FIGURE 33.
