Click to enlargeAquastar 125FX Tankless Water Heater



Tankless water heaters produce hot water instantly.

The 125FX with its battery-sparked ignition system saves even more energy since there is no standing pilot light. Additionally, it has a power vent built-in, allowing for horizontal venting.

With an AquaStar tankless hot water heater by Bosch,- you'll never run out of hot water again. And you'll enjoy instant savings of up to 50% on your heating bill. Once your AquaStar tankless water heater is installed, you will never have to buy another hot water heater again. If they ever do need repair, AquaStar tankless water heaters are designed so that all parts are replaceable.

Runs one major appliance (sink, shower, washer, etc.) at a time

-3.3 gallons per minute (GPM)

-Easy dial-in thermostatic control

-Dimensions: (H)29.75" x (W)18.25" x (D)8.75"

-Weight: 52 lbs

-4" exhaust vent diameter

-Pressure relief valve included

-Power vent built-in, can be horizontally vented with FXhood

Not approved for use in mobile homes, boats, or RVs

Download manuals here

Warranty: 15 years on heat exchanger if installed by a licensed professional (10 years otherwise), 2 years on all other parts. If installed in other than single-family dwelling, then heat exchanger warranty is 2 years.






Tankless Aquastar 125FX Tankless Water Heater 3.3 GPM 125FXRetail Price: $899.00Sale Price: $879.00Fuel: 

Click to enlargeFX Hood Horizontal Vent TerminatorThe 125FX has a power vent built-in, but requires this vent terminator kit for horizontal venting through a wall.

FXHoodRetail Price: $138.00Sale Price: $135.00

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