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Bosch AquaStar 250SX Tankless Hot Water Heater
Fueled by Natural Gas or Propane - Power-Vented - Electronic Ignition
The Bosch 250SX model number has changed to Bosch 2400E.
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250SX Gas Water Heater
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Bosch AquaStar 250SX Tankless Hot Water Heaters
is designed for a wide variety of residential, commercial and on-demand water heating applications.
The AquaStar 250SX Gas Tankless Water Heater is very efficient and sized for those houses
where space is a premium as well as a large supply of hot water needed.
The high performance 250SX sets a standard for tankless water heating
by delivering over 5.3 gallons of hot water continuously at 87% efficiency — enough to
shower with even while filling the tub or washing machine. Yes, you can even run two showers at one time!
The Bosch Aquastar 250 SX is a sealed combustion tankless water heater which means that you can pull
combustion air from outside or inside. Venting
either to an outside wall or up through the roof. The 250SX also can pull
air from inside if you can not get to outside air. Yes, this is a very flexible tankless water heater.
Bosch's most powerful offering. Certainly the engineers at Bosch have outdone themselves — the beauty of
this unit is in its simplicity. The Bosch Aquastar 250SX requires no special tools to install or maintain. And its compact
size and sealed combustion enables installation in small spaces. A built-in power vent makes both
vertical and horizontal venting
possible while the electronic ignition maximizes energy efficiency. This unit yields
enough power to supply two showers simultaneously and features an adjustable temperature control for
improved comfort.
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Bosch AquaStar 250 SX Tankless Water Heaters will provide hot
water for 2 major uses at one time.
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- Temperature Increase / Gallons per Minute Relationship:
90° F rise / 3.1 gpm
80° F rise / 3.5 gpm
70° F rise / 4.0 gpm
60° F rise / 4.7 gpm
55° F rise / 5.3 gpm
50° F rise / 5.7 gpm
45° F rise / 6.35 gpm (Max Flow)
- Direct Vent Room Sealed Combustion (outside air)
or pull combustion air from inside spaces
- BTU Input: 175,000
- Energy Factor .85
- Average Efficiency 87% (recovery efficiency)
- Ignition Electronic
- Built-In Back Flow Preventer to keep cold out
- Built-In LCD Temperature adjustment
- Voltage 120 VAC 50/60 Hz standard plug
- Exhaust Vent Size 3" (Stainless Steel Seal Pipe only)
- Combustion Air Pipe Size 3"
- Activation: .8 gpm
- Warranty: 12 years on the Heat Exchanger - 2 years on parts - Limited Warranty
- Dimensions: H 23½" x W 15¾" x D 8½"
- Weight 47 lbs. (21 kg)
Please Note:
For Massachusetts Residents' considering purchasing and installing the 250SX -
please read this document:
Sidewall Venting Information for Commonwealth of Massachusetts.
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Free Shipping on Bosch Aquastar 250SX
Zvent Stainless Steel Venting
250SX Tech & Specs
250SX Venting Options
250SX Warranty
How to Recirculate Domestic Hot Water
Need Outdoor Installation?
Click here for the 250SXO Gas Water Heater
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Bosch 250SX Temperature Remote Controller
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Sale!
Bosch AquaStar Reconditioned 250SX for $869.50
And Other Specials!
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