Clean tankless water heater inline filter
Why it matters
Tankless heaters have an inline sediment filter that clogs independently from a full descale. Blockage triggers flow-sensor faults and loss of hot water.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another clean tankless water heater inline filter.
How to do it
- 1
Turn off the tankless water heater at the breaker.
- 2
Locate the inlet filter housing on the cold-water line.
- 3
Use a wrench to unscrew the filter bowl housing.
- 4
Remove the sediment screen and rinse under running water.
- 5
Gently brush away trapped sediment with a soft brush.
- 6
Reinstall the screen and bowl, then turn heater back on.