Check the wiring connection on the fan and control board.
Bosch tankless water heater problems.
This is unlike conventional tanks that work 24 7 even when there is no demand an.
The primary fan spins slowly when the water heater is working.
The tankless water heaters of bosch use on demand technology which makes them a lot smarter and more energy efficient.
Problems with water flow.
This is the place for troubleshooting and service information on every product we offer.
How to troubleshoot a bosch tankless water heater no hot water.
Does the venting system meet the code and manufacturer requirements.
Connect the supply line to the blue inlet on the water heater.
Inspect the water supply.
Troubleshooting tech support for bosch gas and electric water heaters symptoms solutions for bosch north america contact customer service fhp commercial products bst 2 0.
The voltage must be 120 vac and the element correctly grounded.
Inspect the plumbing for restrictions.
Ensure that the gas pressure is as required because the low pressure leads to fan rotation problems.