BOSCH 7736503051 Powerstar Electric Tankless Water Heater 45-557710 AE125

( Brand: Bosch ), ( Manufacturer Part Number: 7736503051 ), ( Model: 45-557710 ), ( Tank Lining Material: Metal ), ( Power Source: Corded Electric ), ( Color: Beige ), ( Water Connection: 3/4 In Npt ), ( Type: Tankless Water Heater/boiler ), ( Unit Type: Gal ), ( Water Connection Location: Bottom ), ( Heating System: Instantaneous ), ( Voltage: 240 V ), ( Amperage: 120 A ), ( Features: Electric ), ( Minimum Flow Activation: Less Than 1 Gpm ), ( Jacket Diameter: Heater ), ( Btu/h Heating Rating: 92128 ), ( Water Temperature Range: 95 F To 131 F ), ( Mounting Location: Indoor, Wall ), ( Water Heater Profile: Compact ), ( Power: 2501-3000 W )

Review BOSCH Powerstar Electric Tankless Hot Water Heater

The Bosch Powerstar AE 125 Electric Tankless Water Heater, model number 7736503051, is a high-performance, compact water heating solution designed for residential applications. This innovative tankless water heater is engineered for energy efficiency and reliability, delivering an endless supply of hot water on demand.

At its core, the Powerstar AE 125 is equipped with Bosch's advanced condensing technology, which extracts more heat from the same amount of fuel than traditional tank-type water heaters. This results in significant energy savings, as the unit only heats water when it's needed, rather than maintaining a constant temperature in a storage tank. The unit's energy factor (EF) rating is an impressive 0.95, making it one of the most energy-efficient electric water heaters on the market.

The Powerstar AE 125 is capable of delivering a maximum flow rate of 125 amps at 60 degrees Fahrenheit rise, providing ample hot water for multiple applications simultaneously. It is also equipped with a patented Bosch SilentFlow injector, which delivers water silently and gently, reducing water hammer noise and providing a more comfortable shower experience.

This electric tankless water heater is compact and lightweight, with dimensions of 14.4 inches (W) x 18.9 inches (H) x 3 inches (D) and a weight of just 22.5 pounds. Its small footprint makes it an excellent choice for installation in tight spaces, such as a utility closet or beneath a sink. The unit is also easy to install, with a simple plug-and-play design and no complex venting requirements.

The Powerstar AE 125 is built with durability in mind, featuring a corrosion-resistant copper heat exchanger and a stainless steel secondary heat exchanger. The unit's electronic components are also protected by a solid-state, ground-fault circuit interrupter (GFCI), which provides an extra layer of safety against electrical malfunctions.

* User-friendly digital display, which shows temperature settings and diagnostic codes

* Built-in freeze protection, which automatically activates when the ambient temperature drops below 40 degrees Fahrenheit

* Easy-to-use, rotary temperature dial, which allows for quick and precise temperature adjustments

* Compatibility with Bosch's optional remote control (accessory not included)

* A 12-year limited warranty on the heat exchanger and a 5-year limited warranty on parts and labor

In summary, the Bosch Powerstar AE 125 Electric Tankless Water Heater is a high-performance, energy-efficient, and compact solution for residential hot water needs. With its advanced condensing technology, silent operation, and user-friendly design, it is a smart investment for homeowners seeking a reliable and cost-effective water heating solution.

The Bosch AE125 Powerstar Electric Tankless Water Heater is a popular choice for those seeking an energy-efficient and space-saving water heating solution. Here are some pros and cons that might help you make an informed decision:

1. Energy Efficiency: Bosch's Powerstar technology provides up to 9.5 Energy Star efficiency rating, meaning it can save up to 50% on water heating energy costs.

2. Compact Design: With its small size and wall-mounted installation, the AE125 is ideal for homes with limited space.

3. Endless Hot Water: As a tankless model, it provides an endless supply of hot water, making it a great option for larger households or families with multiple bathrooms.

4. Temperature Control: The Bosch AE125 offers precise temperature control, allowing users to adjust the temperature to their preference.

5. Durability: Bosch is known for its high-quality and durable products, and the AE125 is no exception. It comes with a 10-year warranty on both the heat exchanger and parts.

1. Initial Cost: Electric tankless water heaters, in general, can be more expensive to purchase and install compared to their tanked counterparts.

2. Limited Flow Rate: With a flow rate of 4.5 gallons per minute, the Bosch AE125 might not be suitable for households with extremely high hot water demand.

3. Compatibility: It's essential to ensure that the AE125 is compatible with your electrical system as it requires a dedicated 240-volt circuit.

4. Potential Installation Challenges: Although the compact design is an advantage, it may result in more complex installation processes, depending on the existing plumbing and electrical setup.

In conclusion, the Bosch AE125 Powerstar Electric Tankless Water Heater offers numerous benefits, including energy efficiency, compact design, endless hot water, temperature control, and durability. However, it also comes with some disadvantages, such as a higher initial cost, limited flow rate, compatibility issues, and potential installation challenges.

If you have a smaller household with limited space and are looking for an energy-efficient and long-lasting water heating solution, the Bosch AE125 might be an excellent choice. However, if you have a larger household with high hot water demand or limited budget, you might want to consider other options, such as a tanked water heater or a gas-powered tankless water heater.

Ultimately, the decision depends on your specific needs and circumstances. It's essential to weigh the pros and cons carefully and consult with a professional plumber to ensure a successful installation.

Details:

The compact unit wall mounts in doors with a water connection of 3/4 inch NPT, offering temperature range 95 F to 131. With an instantaneous heating system, this tankless water heater has a power range of 2501-3000 W and voltage 240 V. This model, with the brand Bosch known for quality and reliability, is designed efficient hot water heating a btu /h rating of 92128. The Bosch PowerStar AE125 Electric Tankless Hot Water Heater is a corded electric water heater featuring metal tank lining in beige color.

part #: 7736503051 prices

• $924.95-$1699.95

specifications wateheat:

• brand: Bosch
• mpn: 7736503051
• model: 45-557710
• tank lining material: Metal
• power source: Corded Electric
• color: Beige
• water connection: 3/4 In Npt
• type: Tankless Water Heater/boiler
• unit type: Gal
• water connection location: Bottom
• heating system: Instantaneous
• voltage: 240 V
• amperage: 120 A
• features: Electric
• minimum flow activation: Less Than 1 Gpm
• jacket diameter: Heater
• btu/h heating rating: 92128
• water temperature range: 95 F To 131 F
• mounting location: Indoor, Wall
• water heater profile: Compact
• power: 2501-3000 W

seller wateheat:

• rating: 0.0%
• city: Jacksonville, North Carolina
• # reviews: 0

returns wateheat:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted
• method: Money back

payments wateheat:

• other
• credit card: Discover
• wallet: Paypal

general wateheat:

• condition: Used
• Heating, Cooling Air > Water Heaters > Tankless Water Heaters

offer wateheat:

• quantity: 1
• options: Ship-to-home
• sold: 0
• started: August 27, 2025
• availability: In Stock
• best offers: True

shipping wateheat:

• transit: 7-13 Days
• cost: $24.32
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated

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