Manuals / Bosch Appliances / Household Appliance / Water Heater

Bosch Appliances 125B LP, 125B NG HOT Water Temperature Fluctuates / Unit Deactivated

Models: 125B NG 125B LP

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HOT WATER TEMPERATURE FLUCTUATES / UNIT DEACTIVATED

1. Unbalanced pressure in waterlines

The added restriction caused by the Aquastar in the hot water system can result in uneven pressures between the cold and the hot. In such cases when mixing cold water at the tap, the lower hot water pressure may be overpowered by the higher cold water pressure in the building, which may cause the Aquastar burners to shut down (deactivate).

Do not add any flow restrictor to the shower head. Position the gas control slide to the single flame ( ) setting to reduce the burner output and/or turn the temperature adjustment knob counterclockwise to lower the maximum water temperature.

Note: turning the knob counterclockwise will increase the activation flow rate.

2. Temperature balance valves

If the inlet water temperature to the water heater is very warm the heater can produce temperatures that may be found to be too hot. A temperature balance shower valve can automatically mix in cold water to reduce such hot water temperature, in the event of any temperature instability with the use of a temperature balance shower valve, refer to shower valve manufactures instructions for internal adjustment setting. Adjustments should be made to the hottest setting in the shower valve. Additionally the temperature control of the heater can be adjusted to produce a more comfortable hot water temperature. See SETTING THE WATER TEMPERATURE section.

3.Cold water is mixing with the hot water between the AquaStar and the outlet

See #6 under “Burners do Not Ignite When Hot Water Is Turned On”.

4.Inlet water pressure is erratic due to inadequate supply water pressure or saturated pressure tank on well system

For installation on a private well system with the use of a pressure tank, the lowest pressure range setting recommended is 30-50 psi (2.07-3.45 bar).

5. Gas pressure is too low

See page 2 and 10 for correct specifications.

6 720 607 030

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Bosch Appliances 125B LP, 125B NG HOT Water Temperature Fluctuates / Unit Deactivated, Unbalanced pressure in waterlines
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125B NG, 125B LP specifications

Bosch Appliances has long been a trusted name in kitchen technology, and their 125B LP and 125B NG models are no exception. These gas appliances combine advanced features with top-notch engineering, ensuring excellent performance and reliability in the kitchen. Designed for both professionals and home cooks, the 125B series caters to diverse culinary needs.

One of the main features of the Bosch 125B model is its dual fuel capability. The LP (liquefied petroleum) and NG (natural gas) options make it flexible for various installations and preferences. This versatility ensures that users can easily find the right setup for their kitchens, whether they're using propane or natural gas.

The burners in the 125B series are designed with precision in mind. Each model features high-efficiency burners that deliver a maximum output of 15,000 BTUs. This level of power enables rapid heating for boiling, frying, or searing, while the low-simmer setting allows for gentle cooking tasks such as sauces and delicate soups. The continuous cast iron grates offer both durability and stability, allowing for easy movement of pots and pans across the cooking surface.

An additional technological highlight of the Bosch 125B series is the flame failure safety device. This essential safety feature automatically cuts off the gas supply if the flame goes out, providing peace of mind for users. The inclusion of electronic ignition also enhances convenience, making it easy to start the burners with just a turn of the knob.

The sleek design of the Bosch 125B appliances blends seamlessly into any kitchen decor. With a professional stainless steel finish, they add an element of sophistication while being easy to clean and maintain. The intuitive control knobs are ergonomically designed, ensuring smooth and precise adjustments to the flame.

In terms of installation, both the 125B LP and NG models are designed for straightforward setup, making them suitable for renovation projects or new builds. Bosch Appliances also offers a range of accessories to further enhance the functionality and aesthetic of the kitchen setup.

Overall, the Bosch 125B LP and 125B NG appliances represent a perfect combination of efficiency, safety, and style. With their robust features and advanced technology, they promise to elevate the cooking experience for anyone who values quality and performance in the kitchen. Whether you're a novice home cook or a seasoned chef, these models are sure to meet and exceed your culinary expectations.