Assertion: water heater's combustion chamber | /r/HasProperty | sealed
Facets:
Source sentences:
text: Direct venting: Direct-vent water heaters contain a sealed combustion chamber and use a horizontal flue pipe that connects to a wall leading outside.
text: Direct-vent water heaters contain a sealed combustion chamber and use a horizontal flue pipe that connects to a wall leading outside.
text: For the most part, this means that the combustion chamber is now sealed.
text: For the most part, this means that the combustion chamber is now sealed.