How does a Bosch tankless water heater work?

This 9.5 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger. The unit runs at 98% thermal efficiency, so stand-by loss is minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces.

What should I do if my tankless water heater shut itself off?

So to avoid damage to the heat exchanger (and to avoid scalding you with super hot water), your tankless unit will shut itself off, leaving you with cold water in the middle of your shower. If this is a persistent problem ask a plumber if you should upgrade your unit. Most older water heaters have a minimum flow rate of 1/2 to 3/4 gpm.

Why does my tankless water heater get cold?

First off, this is a common tankless problem called a “cold water sandwich”. This problem happens because the heat exchanger (the part that actually heats the water) takes a while to warm up. Before it fully warms up and starts heating the water, you get a short run of cold water.

Why do I get No hot water from my hot water heater?

If you get no hot water when only one hot water appliance is running and you have a gas tankless unit, make sure that: You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) The gas valve feeding your tankless unit is turned ON, not OFF. You’re scheduling regular maintenance.

How does a Bosch tankless hot water heater work?

Bosch tankless water heaters work “on-demand” to produce hot water when needed, for as long as needed. There is no storage tank, so you never have to worry about running out of hot water or waiting for the tank to recover, even during peak use. A tank style hot water heater keeps water hot 24 hours a day, whether it is needed or not.

So to avoid damage to the heat exchanger (and to avoid scalding you with super hot water), your tankless unit will shut itself off, leaving you with cold water in the middle of your shower. If this is a persistent problem ask a plumber if you should upgrade your unit. Most older water heaters have a minimum flow rate of 1/2 to 3/4 gpm.

Why does my tankless water heater turn cold?

Icy cold water splashes your noggin and down your back. Then, just as suddenly, the water may turn hot again. What gives? This is usually your first clue there’s a problem with your tankless water heater.

If you get no hot water when only one hot water appliance is running and you have a gas tankless unit, make sure that: You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) The gas valve feeding your tankless unit is turned ON, not OFF. You’re scheduling regular maintenance.

Bosch make models called hydropower that use the movement of water through the pipe to generate enough electricity to ignite the gas. I had one on my off grid house in Tasmania, worked a treat.

Is there an error code on my Bosch water heater?

Bosch is a well-known brand of tankless water heaters that are commonly used by many homeowners. If there is a fault with your Bosch tankless water heater, a certain error code will be displayed on the unit’s display. This error code gives owners a window into what is going on inside the unit.

What does CA mean on a Bosch water heater?

Contact a trained technician if necessary. Bosch error code CA indicates that the water flow is over 10 GPM. If your Bosch displays error code CA, unplug the unit from the power supply and inspect the water valve’s wiring and the PCB. Ensure the water pressure flow is below 10 GPM, and the water pressure is below 150 PSI.

Do you still need a tankless water heater?

You probably still want to keep your tankless heater, just put in series with the tank in case the water in the tank is not hot enough on a cloudy day. Thanks very much for the link.

How can I troubleshoot my Bosch tankless water heater?

If the tankless water heater develops a problem, troubleshoot it before calling for service. Disconnect the power supply to the water heater before removing the cover. Inspect the water supply. Connect the supply line to the blue inlet on the water heater.

Bosch is a well-known brand of tankless water heaters that are commonly used by many homeowners. If there is a fault with your Bosch tankless water heater, a certain error code will be displayed on the unit’s display. This error code gives owners a window into what is going on inside the unit.

What to do if your tankless water heater has a problem?

If the tankless water heater develops a problem, troubleshoot it before calling for service. Disconnect the power supply to the water heater before removing the cover. Inspect the water supply.

Contact a trained technician if necessary. Bosch error code CA indicates that the water flow is over 10 GPM. If your Bosch displays error code CA, unplug the unit from the power supply and inspect the water valve’s wiring and the PCB. Ensure the water pressure flow is below 10 GPM, and the water pressure is below 150 PSI.