Hot Water Heater Exhaust Smell

Vapors generated by a water heater are released through exhaust pipes.

Hot water heater exhaust smell. Fumes and hot water heater. For this to work efficiently the air pressure has to be optimized. We still occasionally smell exhaust into the laundry room where the water heater is installed and once in awhile we get a co alarm. Since odor diminished once the gas was off for a couple of days particularly if you meant the water heater backdrafting was not intentionally done i would be looking at an exhaust ducting problem rusted through separated not high enough on roof so exhaust is being pulled back into the house partly blocked something like that.

Otherwise some of the vapors will remain in the heater and your home may end up smelling like burning plastic. 1 the power vent turns on when the hot water heater turns on and immediately turns off when the hot water heater turns off. The most common odor problem from water heaters is a rotten egg smell that comes out of your faucets and fixtures when running water. This will require an electrician as wiring will likely need to be replaced.

You can readily associate this smell with your water heater and think that something s not right. The vent has been routed around and above the gas pack with two 45 degree bends. 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. Edward429451 co carbon monoxide is oderless but you would be able to smell the aldehydes in the flue gasses so that could be it.

2 i ve done all youtube google tests for backdrafting. Does your water heater smell like burning plastic. Depending on the vent configuration and height alot of times when the burner first fires up it will backdraft a little until the vent warms up and starts drawing correctly. It s okay to smell some combustible fumes when you turn it on and once your tankless water heater runs through its cycle.

This problem can also happen if you have well water and are not treating the water with chlorine in the well. Gas water heater exhaust smell our gas water heater vent comes through the roof under the gas pack heater a c unit. If your hot water heater smells like a wire is burning or any other electrical type of smell this could signal issues with your wiring most likely one due to arcing a type of discharge that happens when two loose wires make intermittent contact. The vent connector at a water heater needs to pitch upwards towards the vent and should ideally not have any quick turns especially right at the draft hood if you find these types of clues there might be a problem with the water heater drafting properly to test for proper water heater draft i do the following.

This issue usually happens when warm water is left too long in the tank and bacteria builds up in the water.