Tankless Water Heaters / Electric / Gas / Bosch Aquastar / 2400E Water Heater Venting
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AquaStar 2400E Tankless Hot Water Heater
Venting Information and Venting Options



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EXHAUST AIR
The Bosch Aquastar 2400E exhaust must be vented to the outside with a sealed 3" stainless steel vent pipe (AL29-4C). The appliance's flue gases are under positive pressure and must travel through a stainless steel 3" pipe that is sealed gas tight. Stainless steel vent pipe is equipped with sealing gaskets for ease of installation, proper safety and durability. The heater shall not be vented in combination with any other appliance and the appliance must only be vented with a dedicated sealed vent system.

COMBUSTION AIR
Because the Bosch AquaStar 2400E has direct vent room-sealed combustion, it can obtain make-up (combustion) air from inside the home (ambient air) or from outside the home. It is recommended to pipe the combustion air from outside the home as this is generally cleaner air, allowing for less maintenance on the water heater and a longer life expectancy of the unit.


Horizontal Vent Termination
Horizontal Vent Termination for the 2400E
Vertical Vent Termination Vertical Vent Termination for the 2400E
If you will be terminating the vent pipe from the Bosch AquaStar Model 2400E horizontally out a sidewall, the AQ3 Vent Kit is required.
Please Note: Click here for our full line of 3-inch Stainless Steel Venting Components.
If you will be terminating the vent pipe from the Bosch AquaStar Model 2400E vertically up a chimney, the AQ3 Vent Kit is not required.
Please Note: Click here for our full line of 3-inch Stainless Steel Venting Components.


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