Monday, June 9, 2014

Replacing an Aquastar 240FX with Bosch Therm 830ES


The Aquastar model 240FX was a unit that was distributed by Controlled Energy Corporation (CEC) many years ago.  The 240FX was manufactured by Takagi and was capable of 2 major applications at one time. The Aquastar 240FX was a 165K BTU unit, took 4" single wall sealed galvanized or 4" single wall stainless steel venting.  The 240FX took it's combustion air from the area where it was installed.  The 240FX could sit right on the ground as the water and gas connections came out the left side of the unit.  Wall mounting was also an option.  The 240FX was suppose to be vented out the sidewall of the home for a maximum of 15' using the FXHood as the termination.  The Aquastar 240FX has been obsolete for some time and now most of the parts are no longer made also.

The closest replacement for the Aquastar 240FX is now the Bosch Therm 830ES.  The Bosch 830ES is a 175K BTU unit and is good for 2 major applications at one time.  The 3/4" water and gas connection are on the bottom of the unit vs the left side of the Aquastar 240FX.  The venting on the 830ES must be either 3" or 4" stainless steel single wall venting (AL29-4C) venting up through the roof or out the sidewall.  There is a vertical vent kit, ES VVT vertical vent kit avalable and also a sidewall vent kit, AQ3ES sidewall vent kit for venting out the side of the home.  The intake air for the 830ES is taken from the outside also using 3" PVC and should be taken from the same wall or roof the exhaust is going out through.  Please refer to the link above for more information on the Bosch Therm 830ES or call us at 866-289-4652 with questions.
  BOSCH THERM 830ES

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