Bosch AquaStar 2400E / 2400EO / 250SX / 250SXO Heat Exchanger

The Bosch AquaStar 2400E / 2400EO / 250SX / 250SXO Heat Exchanger Part 8705406285 is the replacement heat exchanger for all Bosch AquaStar 2400E, 2400EO, 250SX and 250SXO tankless water heaters.

This part is also the replacement Heat Exchanger for the Bosch ProTankless 635ES and 635ESO tankless water heaters.

Bosch Wireless Remote Control TSTAT2

The Bosch Wireless Remote Control TSTAT2 for the Bosch AquaStar 2700ES / 2400ES / 2400E / 2400EO / 250SX / 250SXO allows you to program your Bosch tankless gas water heater to a comfortable and safe temperature from around your home from a distance of up to 98 ft.

The TSTAT2 remote is particularly useful if you own a jacuzzi or hot tub that requires a hotter water temperature than you normally desire for regular shower use.

Please note that the electrical control of the Bosch AquaStar 2700ES / 2400ES / 2400E / 2400EO / 250SX / 250SXO must be removed and opened in order to install the wireless receiver circuit board to enable the use of the TSTAT2 Wireless Remote Control.

The Newer Bosch models, 2700ES and Bosch 2400ES tankless water heaters have been redesigned to make the installation of the wireless receiver circuit board much easier. The circuit board is basically a plug and play unit.

The TSTAT2 controls the temperature of your water heater and does not have a reset button.   If the heater has an error then a code will be on the display of the heater and the user has to go to the heater to reset it from there and should document the error and then see if it returns after resetting.

The TSTAT2 Wireless Remote Control for Bosch 2700ES / 2400ES /2400E / 2400EO / 250SX / 250SXO features the following:

• LCD displays temperature, error codes and functions
• Temperature measured in °C or °F
• Low battery level indicator
• 98 feet user range
• Alkaline AA LR6 2x1.5V battery power 915 MHz
• Security lock function
• IP X6 Protection
• Priority function - temperature cannot be modified by other user interface when water is running

Don't forget to periodically change the two AA batteries in your Bosch wireless TSTAT2 thermostat as they will certainly corrode over time. The batteries in TSTAT2 thermostats that are kept in bathrooms will corrode faster than in other less humid environments, such as kitchens. Your batteries should be checked yearly for any signs of corrosion and replaced every five years in any case.

Bosch TSTAT2 Remote Control for Bosch 2700ES / 2400ES / 2400E / 2400EO

The Bosch TSTAT2 Remote Control for Bosch AquaStar 2700ES / 2400ES / 2400E / 2400EO / 250SX / 250SXO / 635ES Tankless Water heaters gives you the ability to remotely adjust the temperature of your Bosch Tankless Water Heater to a safe and comfortable level.

The TSTAT2 remote is particularly useful if you own a jacuzzi or hot tub that requires a hotter water temperature than you normally desire for regular shower use. Most people who own hot tubs want to fill them at a temperature that is higher than that normally used for comfortable showers. The TSTAT2 remote allows you to remotely raise the temperature when filling a hot tub and then drop the temperature back to a "normal" temperature -- usually between 105 and 112 degrees fahrenheit.

Please note that the electrical control of the Bosch AquaStar 2700ES / 2400ES / 2400E / 2400EO / 250SX / 250SXO / 635ES must be removed and opened in order to install the wireless receiver circuit board to enable the use of the TSTAT2 Wireless Remote Control.

The Bosch 2700ES and Bosch 2400ES tankless water heaters have been redesigned to make the installation of the wireless receiver circuit board much easier.

With the touch of a button, you can ensure an optimized heating output to suit everyone's needs!

Steve