Replacing B Vent With Direct Vent

Direct vent appliances use a sealed pane of glass to cover the fireplace opening relying on a co axial rigid vent pipe to both vent exhaust gases and draw combustion air for the burner assembly.

Replacing b vent with direct vent.

B vent could potentially be a source of cool air into the living area if a downdraft occurs. But while b vent gas fireplace effectively removes combustion gases. Of course the proper operation and placement of the logs if logs are present is assumed. A direct vent system pulls in.

The flames that emit from the gas burner are intended to burn unobstructed. One advantage to a b vent appliance however is that they are generally cheaper than direct vent units. The term vent free or ventless means that the heater can be operated without a vent or chimney. Packy ma should be no problem at all.

Some of the heat from the appliance is lost up the vent. When preparing to install a type b vent pipe keep in mind that the pipe itself must be wider than the flue and the pipe should extend into the flue by at least one foot. It takes fresh air from outside thru the space around the exhaust. In direct vent appliances you use special direct vent pipe recommended by the supplier.

The vent free fireplace can be used upstairs. The difference is that a power vent water heater pulls in combustion air from the space around the appliance then uses a fan to propel the exhaust through the vent. A type b vent pipe functions to remove potentially harmful gases and fumes that build up in a heating system by channeling them out of a room. Some work on the cement blocks should be all you need to do.

The pipe is much larger since it is a pipe insde a pipe. Watch the next episode https. Replacing power vent with direct vent water heater.