Learn how to access, remove and clean the burners.
Learn how to measure and adjust the combustion air pressure differential.
Learn how to program the electronic temperature control.
Learn how to measure and adjust the draft.
Learn how to remove and clean the combustion air fan.
Learn how to access, inspect and clean the heat exchanger.
Learn how to measure inlet gas pressure.
Learn how to set up the manifold gas pressure.
Learn how to measure and adjust the temperature rise for water heaters.
Learn how to access and replace the combustion air filter.
