Bosch On Demand Water Heater Error Codes

Bosch manufactures a line of tankless water heaters.

Bosch on demand water heater error codes. New built home in mt barker needed tank installation with a pump. Error codes are the indicators of the problems inside the water heater. When the error code appears on the bosch heater s lcd display the reset button sometimes. High efficiency gas tankless water heaters from bosch.

When your bosch hot water system displays fault code a7 on its temperature control monitor it indicates that you have a faulty hot water outlet temperature sensor. Gas tankless and electric water heaters from bosch. Bosch continuous flow hot water units are all fitted with an inlet and outlet sensor. Jim s arranged swiftly as laurence on site finished the job in 24 hours providing the rainy weather.

Gas tankless water heaters. If open no resistance replace limiter. In more advanced cases e9 may be accompanied by e1 a7 and or banging or knocking noises when heater is operating. Electric storage water heaters.

Turn off power to heater and run cold water through heater for several minutes. A tankless water heater provides an endless supply of hot water and reduces energy costs. May indicate scale build up in heat exchanger. Check continuity through temperature limiter.