Tankless Water Heaters > Gas Tankless Water Heaters

Bosch AquaStar 125FX - Natural Gas Tankless Water Heater

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SKU# 125FX-NG

Color: White

Dimensions: 29.75" x 18.25" x 8.75"

List Price: $1,261.44

Our Price: $899.00

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Customer Review

Bosch AquaStar 125FX Gas Tankless Water Heater - Bosch Natural Gas Water Heater

Bosch AquaStar 125FX Natural Gas Tankless Water Heater has a compact design that makes it fit to be used almost anywhere. It is one of the best Bosch Tankless Water Heaters with CSA approval and comes with a general warranty of 12 years on the heat exchanger. Made of high quality copper and plastic replaceable or recyclable parts, this energy efficient model also saves up to 50% energy costs. The heat exchanger of this unit is made of solid copper and burners are made of stainless steel. The ASHRAE 90.1 compliant water heater is very safe to use and can be the last unit you ever buy!

Bosch Tankless Water Heater 125FX NG Features :

High quality water parts
Stainless steel and aluminum made unit
Heat exchanger made of solid copper
Stainless steel made burners
Has a safety thermocouple and overheat shutoff protection
CSA certified
ASHRAE 90.1 compliant
12 years warranty on the heat exchanger

Bosch Tankless Water Heater 125FX NG - Technical Specifications
Gas Type	Natural Gas
Power Input	28000 - 130000 Btu
Maximum Output	104000
Minimum Flow to Activate	0.5 gallons per minute (gpm)
Flow Rates	90° F rise @ 2.3 gpm 77° F rise @ 2.7 gpm 65° F rise @ 3.3 gpm 55° F rise @ 3.8 gpm 45° F rise @ 4.6 gpm
Energy Factor	0.78
Thermal Efficiency	80%
Therms/Gallons Per Year	193
Annual Energy Cost (2004)	$175
Color	White
Dimensions	29.75" H x 18.25" W x 8.75" D
Shipping Weight	51 lbs.
Modulating Gas Valve	Yes
Ignition	Electronic (120V plug included)
Accessories	Vent Terminator (FXHOOD included)
Heat Exchanger Warranty	12 Years
Parts Warranty	2 Years

Bosch Tankless Water Heater 125FX NG - Installation Specifications
Gas Connection	1/2" Male NPT
Water Connections	1/2" Male NPT
Natural Gas Pressure	Min. - 7" WC / Max. - 14" WC
Water Pressure	Min. - 30 PSI / Max. - 150 PSI
Electrical Supply	120 volts / 1.2 amps(plug in)
Vent Size	4" (single-wall sealed stainless or galvanized)
Vent Termination	Horizontal w/ FXHOOD

Bosch Tankless Water Heater 125FX NG Resources :

Bosch Tankless Water Heater 125FX NG Specifications
Bosch Tankless Water Heater 125FX NG Instructions

Estimated Installation Costs*

$500 - $1200

*These costs are general installation estimates taken from recommended plumbers across the US. Installation costs will vary depending on the home’s current electrical, plumbing and ventilating conditions.

After your purchase, we will contact you with with an installation recommendation.