Error code a2 problem with the flue gas limiter.
Bosch electric tankless water heater problems.
Problems with water flow.
When the error code appears on the bosch heater s lcd display the reset button sometimes leads to an error removal but if it doesn t work the instructions below might help troubleshoot the problem.
Bosch heatronic 4000.
Zone sensor series r1.
Tronic 3000 electric tankless point of use.
Pipe joints should not be sealed with plumber s glue.
Gas tankless water heaters.
Zone sensor series r1.
This same technology leads to a higher efficiency than you ll find with many other brands.
Bosch tankless water heaters rarely suffer from problems due to the long durability of the patented heat burner.
Bosch heatronic 4000.
Inspect the water supply.
Therm c 1210 esc.
Inspect the plumbing for restrictions.
Commercial controls sensors.
If you do experience any problems the issue should be easy to fix thanks to the advanced diagnostic system.
Commercial controls sensors.
Gas tankless water heaters.
Tronic 3000 electric tankless point of use.
Therm c 1210 esc.