Noritz N-042-NG - Maintenance

To avoid burns, wait until the equipment cools down before draining the water. The appliance remains hot after it is turned off.

Check for laundry, newspaper, timber, oil, spray cans and other combustible materials.
Check for abnormal sounds during operation.
Check for abnormalities in external appearance, change in color or flaws.
Check for water leaks from the equipment and piping.
Check for dust and soot in the exhaust vent or exhaust vent terminal.
Check for dust in the air inlet.

Wipe the outside surface with a wet cloth, then dry the surface. Use a neutral detergent to clean any stains.

Close the water supply valve.
Open all hot water fixtures
Loosen the Drainage Outlet.
Remove the Drainage Outlet from the band.
Clean the filter with a brush under running water.
Replace and screw the Drainage Outlet closed.(Take care not to lose the packing.)
Close all hot water fixtures.
Open the water supply valve and check that water is not leaking from the Drainage Outlet.