Bosch AQ4 Powervent
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Power vent option illustrating the side wall vent option that
allows horizontal venting and elimination of the chimney. Use Powervent AQ4 for
Bosch models 1600H and 1600P.
Does not work for Bosch AquaStar models 38B, 125B, 125HX, 125X, 125BS, 125FX, 1600PS, 2400ES or 2700ES.
The AQ4 can not be used as a substitute for the AQ1.
Click on the heater you have or are buying to purchase the AQ4 Powervent.
The Bosch AquaStar Power Vent Kit is designed to allow horizontal venting and
direct termination on an outside wall. A gas pressure sensor switch turns on the vent
fan as soon as the AquaStars burners activate. The blower fan exhausts flue gases to
the outside. The fan accepts 4 inch vent pipe. (see the Installation Manual for more info -
you can download it below)
If outside tempertures falls below 32°F you should use the Back Draft Flapper
- this is included with the AQ4.
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