AquaStar AQ3ES is a water heater that provides endless hot water for your showers, baths, and other household needs. It is a high-efficiency water heater that can save you money on your energy bills. The AquaStar AQ3ES is also a very reliable water heater that is built to last. Here are some of the features and benefits of the AquaStar AQ3ES:
- Endless hot water: The AquaStar AQ3ES has a large capacity tank that can provide endless hot water for your showers, baths, and other household needs.
- High-efficiency: The AquaStar AQ3ES is a high-efficiency water heater that can save you money on your energy bills.
AquaStar AQ3ES is a water heater that provides endless hot water for your showers, baths, and other household needs. It is a high-efficiency water heater that can save you money on your energy bills. The AquaStar AQ3ES is also a very reliable water heater that is built to last. Here are some of the features and benefits of the AquaStar AQ3ES:
- Endless hot water: The AquaStar AQ3ES has a large capacity tank that can provide endless hot water for your showers, baths, and other household needs.
- High-efficiency: The AquaStar AQ3ES is a high-efficiency water heater that can save you money on your energy bills.
Model 250SX
AQ3 Vent Kit & Additional Parts
April 1, 2006
(For Horizontal Venting)
IMPORTANT
In order for this water heater
to perform properly, correct
venting is necessary.
See 250SX Installation Manual.
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Room-Sealed; Twin Pipe System (Recommended)
Exhaust Venting:
This heater requires Category III AL29-4C, 3" or 4"
diameter stainless steel vent pipe (3" provided in
Vent Kit).
AQ3 Vent Kit Items
Twin Pipe
Horizontal
Intake/Combustion Air:
The combustion air pipe system may be
constructed of either 3" PVC, aluminum or gal-
vanized pipe (aluminum provided in Vent Kit).
All parts shown in diagram
are included in AQ3 Vent Kit.
The AQ3 Vent Kit, for Bosch AquaStar Model 250SX, is designed to be used in the following room-sealed or
unsealed installations. Please note that some installations may require additional venting parts. See back page
for a list of additional venting parts.
The exhaust vent pipe and the combus-
tion air pipe each have a maximum
length of 26 feet (8m) with one elbow.
For each additional elbow after the first
elbow, you must reduce 2.5 feet
from the total length. A maximum of 3
elbows on each pipe is allowed.
A condensate drain kit
must be used in all
installations.
A condensate drain kit
is included with the
AquaStar 250SX.
4ZVAL03
Adjustable Adapter 3"
2SVSWTCEC03
Wall Thimble 3"
2SVSTB03
Exhaust/Intake Vent Hoods
w/10" Sleeve 3" (2)
2SVEEWCF0390
90 Degree Elbow 3"
1TLXXXX0310
Flex Pipe – Inlet Air
3" x 10'
7HS44XX
Gear Clamps 3" (2)
Dimensions listed in inches
4.25 to 7
10.00
10.00
11.50 to 15
7.91
7.91
5.00
5.00
5.00
5.00
12.01
12.01
Note: Refer to AquaStar 250SX Installation Manual for complete exhaust venting & combustion air requirements.
Exhaust Venting:
This heater requires Category III AL29-4C, 3" or 4"
diameter stainless steel vent pipe (3" provided in
Vent Kit).
Single Pipe
Horizontal
Intake/Combustion Air:
Ambient (room) air can be used provided it meets the
combustion air requirements as specified by the
National Fuel Gas Code. See AquaStar 250SX
Installation Manual for details.
Unsealed; Single Pipe System
Additional Venting Items
2SVEDTK24
Condensate Drain Kit
Items not drawn to scale.
24" Tube
Hose Clamp
Cable Tie
Hose Clamp
Condensate
tube/trap
The exhaust vent pipe has a maxi-
mum length of 26 feet (8m) with
one elbow. For each additional
elbow after the first elbow, you
must reduce 2.5 feet from the total
length. A maximum of 3 elbows is
allowed.
A condensate drain
kit must be used in
all installations.
A condensate drain
kit is included with
every AquaStar
250SX.
A condensate drain kit
must be used in all
installations.
A condensate drain kit
is included with the
AquaStar 250SX.
2SVEPWCF0301
Pipe 3" x 12"
2SVEEWCF0345
45 Degree Elbow 3"
7.36
5.38
11.50
Not all additional venting items shown. See back page for complete list.
ZVP/0406
"6x"3epiP5.30FCWPEVS2
"21x"3epiP1030FCWPEVS2
"81x"3epiP5.1030FCWPEVS2
'2x"3epiP2030FCWPEVS2
'3x"3epiP3030
FCWPEVS2
'4x"3epiP4030FCWPEVS2
4ZVAL03 retpadaelbatsujda"3
wobleº54x"35430FCWEEVS2
wobleº09x"30930FCWEEVS2
2SVSTB03 3" exhaust/intake vent hood w/10" sleeve
elbmi
htllaw"330CECTWSVS2
pacniar"330FCRSVS2
rallocmrots"330FSLSVS2
2SVSADJSF03 3" steep roof flashing 7/12-12/12
2SVSADJF03 3" adjustable roof flashing 0/12-6/12
troppuspotserif"330FSSFSVS2
tikniardetasn
ednoC42KTDEVS2
pmalcraeg"3XX44SH7
llor'03xxelf"30330XXXXLT1
llor'02xxelf"30230XXXXLT1
llor'01xxelf"30130X
XXXLT1
Part # Description
Additional Venting Parts
For Bosch AquaStar 250SX
These venting parts are available through Bosch Water Heating and
Z-Flex retailers, Internet vendors, and distributors nationwide.
-
1
-
2
-
3
-
4
AquaStar AQ3ES is a water heater that provides endless hot water for your showers, baths, and other household needs. It is a high-efficiency water heater that can save you money on your energy bills. The AquaStar AQ3ES is also a very reliable water heater that is built to last. Here are some of the features and benefits of the AquaStar AQ3ES:
- Endless hot water: The AquaStar AQ3ES has a large capacity tank that can provide endless hot water for your showers, baths, and other household needs.
- High-efficiency: The AquaStar AQ3ES is a high-efficiency water heater that can save you money on your energy bills.
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