In other words, the square inch area of the chimney must not be more than seven times greater than the flue piping. A 3-in. water heater flue is just a bit more than 7-sq.in., so the chimney must not ...

A gas water heater is a combustion appliance that burns gas-it must vent the exhaust fumes to the outdoors through a flue (a round chimney pipe). So first look for a flue.

Installing a water heater vent incorrectly can be extremely dangerous for your family. Learn the wrong way and right way to do it here.

Combustion causes water vapor, which is supposed to flow through the flue connected to a gas-fired water heater. But if the flue is too long or large and it’s not getting hot enough to cause ...

Rooftop flue water heaters should only be installed outdoors or in properly ventilated areas to prevent toxic gas from building up, the Yilan County Fire Department said, after a man in Taipei died of ...