Bosch Appliances 125FX LP Features, Unpacking the Aquastar Heater, Principle of Operation

Models: 125FX NG 125FX LP

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Principle of Operation:

When a hot water faucet is opened, the flow of water through the heater causes the gas valve to open. At the same time a microswitch is activated which sends a spark to the pilot. The flame sensor confirms that the pilot has been lighted and allows the first two burners to ignite. The flame sensor confirms correct activation and all burners ignite. The pilot goes out. The power exhaust system runs as long as the burners are on. The heat exchanger coils absorb the heat generated by the burners and transfer heat to the water. When the hot water faucet is shut off, the gas valve automatically closes and the burners turn off, followed immediately by the exhaust system. Your hot water faucet is an ignition key to turn on the water heater, giving you control over your hot water energy use. Every time you turn off your hot water faucet, the energy consumption for hot water returns to zero.

FEATURES

-Electronic Pilot Ignition

-On/Off switch to activate system

-Power Venting with safety shutoff

-High Quality Materials for Long Working Life.

-Copper heating coils for endless supply of hot water.

-Burner output proportional to hot water flow demand for maximum energy efficiency.

-Safety flame sensor at pilot burner.

-Automatic overheating protection shut-off sensor.

-Stainless steel burners with stabilized blue flame.

-Built-in corrosion resistant power venter.

-Compact space saver: mounts on a wall with two hooks.

-Easily removable one-piece cover.

-Easy one person installation.

-Adjustable water flow restrictor to ensure that water flow demand will not exceed the heating capacity of the heater.

BOSCH is constantly improving our products, therefore specifications are subject to change without prior notice.

AquaStar 125FX LP and 125FX NG Specifications

 

AQ125FXNG

AQ125FXLPG

 

 

 

max.

130 000 Btu/hr

125 000 Btu/hr

Gas input

 

 

 

 

min.

28 000 Btu/hr

28 000 Btu/hr

 

 

 

Water Connection 1/2” Thread fitting NPT

H x W x D 29 3/4” x 18 1/4” x 8 3/4"

 

Vent 4” (Category III Gas Appliance)

 

Gas Connection 1/2” NPT thread

 

Min. Water Pressure 18 Psi

 

Max. Water Pressure 150 Psi

 

Shipping Weight 50.6 LB

 

Net Weight 44 LB

 

2.0 GPM at 90° rise

 

4.0 GPM at 45° rise

 

Min. Water Flow 1/2 gal/min

 

120V/60Hz 1.2 Amps

 

LP GAS Supply Pressure

min. 11” W.C.

(before Aquastar regulator)

max.14” W.C.*

Required LP GAS pressure at inlet

 

tap while Aquastar is operating:

10.5” W.C.

LP GAS Burner Manifold pressure while

Aquastar is operating at maximum input: 9.9” W.C.

Natural Gas Supply Pressure

 

(before Aquastar regulator)

min.: 7” W.C.

 

max.: 14”W.C.*

Required Natural Gas Pressure at

 

inlet tap while Aquastar is operating:

5.7”W.C.

Natural Gas Burner Manifold pressure while Aquastar is operating at maximum input: 5.38” W.C.

*Inlet gas pressure before Aquastar regulator must not exceed this value. Pressure may need to be adjusted for high altitudes, see page 10.

UNPACKING THE AQUASTAR HEATER

This heater is packed securely. The box includes two water connection fittings, a control knob, a gas pressure regulator, a pressure relief valve, an incandescent particle tray, two hooks for hanging the heater, this manual, a warranty statement and a warranty registration card. Do not lose this manual as there is a charge for replacement. Please complete and return the enclosed warranty registration card. The FXHOOD horizontal vent terminator is supplied separately from the 125FX water heaters. There is a set of installation instructions in the FXHOOD box.

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Bosch Appliances 125FX LP, 125FX NG specifications Features, Unpacking the Aquastar Heater, Principle of Operation

125FX NG, 125FX LP specifications

Bosch Appliances has been a leader in the home appliance industry for decades, known for their innovation, efficiency, and reliability. Among their notable offerings are the Bosch 125FX LP and 125FX NG, two versatile models designed for modern kitchens that cater to the needs of both home cooks and professional chefs.

One of the standout features of the Bosch 125FX models is their dual-fuel capability. With options for liquid propane (LP) and natural gas (NG), these appliances provide flexibility in fuel choice, maximizing efficiency and performance. Users can select the type of gas that best suits their culinary style and kitchen setup, ensuring optimal cooking results.

Both models boast a powerful burner system that includes multiple high-performance burners. Featuring a high-output burner designed for rapid heating, these appliances allow for quick boiling and searing, making them ideal for time-sensitive cooking. Additionally, a simmer burner is included which provides low heat for delicate sauces and simmering dishes, striking a balance between power and control.

The Bosch 125FX series incorporates advanced cooking technologies that elevate the user experience. One significant technology is the precise temperature control, which ensures that cooking temperatures remain consistent, reducing the risk of overcooking or burning meals. The built-in oven features a convection cooking option, allowing for even heat distribution, resulting in perfectly baked goods and roasted dishes.

Another notable characteristic of these appliances is their sleek and modern design. Bosch has a reputation for creating aesthetically pleasing products that fit seamlessly into contemporary kitchen environments. Premium materials, rounded edges, and clean lines give the 125FX models a sophisticated look that appeals to style-conscious consumers.

User-friendly features are also prominent in both the LP and NG models. Intuitive knobs and controls allow for easy adjustments, while the large oven capacity provides ample space for multiple dishes, perfect for families or entertaining guests. Additionally, Bosch's commitment to energy efficiency means these appliances not only save on energy bills but also decrease the environmental footprint of your home.

In summary, the Bosch 125FX LP and 125FX NG are premier appliance choices for anyone looking to enhance their kitchen. With powerful cooking capabilities, innovative technologies, and a stylish design, they encapsulate Bosch's commitment to quality and performance in home appliances.