Assertion: tankless water heater | /r/CapableOf | flush the unit
Facets:
value: to keep it
type: PURPOSE
Source sentences:
text: To keep your tankless water heater running well, it’s important to do two types of regular maintenance: checking the in-line screen filter for debris and flushing the unit to keep it free of scale and lime, particularly in homes with hard water and without a whole home water softener system.