To Next PageTo Next PageWhat to do if flame goes out on Bosch WR11 Water Heater?
If the flame on your Bosch Water Heater goes out during operation, it could be that the flue gas safety device or the temperature limiter has tripped. To resolve this, ventilate the room, wait 10 minutes, and then restart the appliance. If the problem continues, it is recommended to call an approved technician.
Why is Bosch Water Heater water not hot enough and the flame is weak?
If your Bosch Water Heater isn't producing hot enough water and the flame is weak, the gas supply dynamic pressure might be too low. Inspect the gas cylinder governor and replace it if it's incompatible or damaged. Also, check if the gas cylinder (butane) is freezing during operation and, if needed, move it to a warmer location.
What to do if the flame goes out on my Bosch WR11?
If the flame goes out while your Bosch Water Heater is running, it could be that the temperature limiter has tripped. Wait 10 minutes and then restart the appliance. If the issue continues, contact an approved technician. Alternatively, the flue gas safety device may have tripped. Ventilate the room, wait 10 minutes, and then restart the appliance. If the problem persists, call an approved technician.
How to adjust the temperature on a Bosch WR11?
If your Bosch Water Heater isn't providing hot enough water, make sure to check the position of the water temperature control and adjust it to achieve your desired hot water temperature.
How to fix reduced water flow rate in Bosch WR11?
If you're experiencing a reduced water flow rate with your Bosch Water Heater, several factors could be the cause. It might be due to an inadequate inlet flow rate, so check and adjust it. There could be dirt in the water service cock or mixer unit, requiring a check and clean. The automatic water valve might be clogged, in which case you should clean the filter. Lastly, the heat exchanger could be clogged with scale, so clean and descale it as necessary.
How to make Bosch WR11 Water Heater water hotter?
If the water from your Bosch Water Heater is not hot enough, check the output selector position and adjust it according to your needs.
Why is the water flow rate reduced in my Bosch Water Heater?
If your Bosch Water Heater has a reduced water flow rate, it could be due to several reasons. The inlet flow rate might be inadequate, so check and adjust it. There might be dirt in the water service cock or mixer unit, requiring a check and clean. The automatic water valve could be clogged, necessitating a filter cleaning. Lastly, the heat exchanger might be clogged with scale, so clean and descale it as necessary.
What to do if my Bosch Water Heater is not hot enough and there is no flame?
If your Bosch Water Heater isn't heating the water and there's no flame, the gas supply dynamic pressure may be too low. Check the gas cylinder governor and replace it if it's incompatible or damaged. Also, check if the gas cylinder (butane) is freezing when the appliance is running; if so, move it to a warmer location.
Why is the pilot flame yellow on my Bosch WR11?
If the pilot flame of your Bosch Water Heater has a yellow flame and remains alight, and it takes several attempts to turn it on, the pilot burner may be blocked. Clean the pilot burner.
General| Fuel Type | Natural Gas or Propane |
|---|---|
| Gas Connection | 1/2" NPT |
| Water Connection | 1/2" NPT |
| Ignition | Electronic |
| Activation Flow Rate | 0.6 GPM |
| Power Supply | 120 VAC |
| Type | Tankless |
Provides detailed measurements (A, B, C, D, E, F, G, H) for WR8/11 models.
Illustrates the internal components of the water heater with numbered parts.
Details technical data for WR8 and WR11 models including output, pressure, and consumption.
Highlights legal requirements for gas appliance installation by competent persons.
Specifies ventilation, temperature, and corrosion prevention for installation site.
Details on connecting water pipes, including advice on non-return valves and gas inlet precautions.
Essential requirements for gas-tight flue pipe connection and material specifications.
Steps for initial startup including leak checks and flue gas safety device verification.
Explains the piezo ignition system and main burner operation for hot water supply.
How to adjust water flow rate and temperature using the control knob.
Recommends professional servicing, overhaul checks, and use of genuine spare parts.
Procedure to drain the appliance to prevent damage from freezing.
Details on the safety device's function, reset, and troubleshooting.
Table of common issues like pilot flame, low hot water, and flow rate with solutions.
