Basi.y, the difference between the two is that the power vent water heater removes combustion gases from the atmosphere via a powered venting fan, while a direct vent water heater vents these gases into the outdoor atmosphere using a chimney or exhaust pipe.. For every cubic foot of air that is drawn into the base of an atmospheric vent water heater for combustion, and then flows out the vent above the roof, another cubic foot of outside air is pulled into the room by the negative air pressure..Re Water Heater with power vent problem Author Dunbar KY No. You cannot use a regular vented gas water heater in place of a power vent water heater with PVC exhaust system. The gas valve thermostat is not designed on the regular models to accept any changes..And finally, power vented water heaters cost at least percent more than a natural draft water heater. You can find power vented water heaters wherever water heaters are sold almost every major water heater manufacturer makes them..I need to replace my water heater. As the cost of a direct vent water heater is about that of a power vent, I was wondering if anyone knows if you can put a power vent on a direct vent water heater?.Can you add a power vent to an existing gas water heater? Update Would What’s something cheap I can put under my desk or bed to make them taller?.First, the HVAC contractor says he can install a new retrofit power vent blower unit on my existing water heater, thus converting it to a direct vent unit. Second, the Plumbing Contractor says he woudn’t mess around with a retrofit unit, but rather just get an whole new power vent water heater..I can feel the heat of the backdraft, and it will fog a mirror, but I put not , but CO detectors right on top of the water heater and neither said “boo”. One of them has a digital ppm readout and showed “”..Can you vent a gAs fire Water heater out a perimeter wall You can use a wall termination power venter if that appliance is approved for use with one..Water heaters with power venting come with an electric blower fan often very quiet installed on top of the water heater and can have either vertical or horizontal vent ducts. Since the vent does not rely on the buoyancy of air it can be run horizontally to the outside of the house..
Rheem EcoSense High Efficiency Power Direct Vent Tall Natural Gas Water Heater saves you money on energy bills while being eco friendly..For starters, tankless water heaters can save you hundreds of dollars a year in energy costs. According to the U.S. Department of Energy, you can drasti.y reduce your energy consumption when you upgrade to a tankless water heater .