If thats the case chances are the anode has gone bad and needs to be replaced.
Marine hot water heater smell.
To be sure unscrew the anode from the hot water heater with a ratchet and inspect it.
To remove smell from water tank or when hot water heater smells like sulfur consider sanitizing the tank using hydrogen peroxide.
The first way to check is if only the hot water on your boat is foul smelling.
In most cases the smell of sulfur will be caused by high magnesium content water that comes into contact with the original anode already present within the water heater.
Unfortunately it also voided the warranty on the water heater and shortened its life.
Why does my water heater smell.
Some water heaters don t have an anode fitted as standard but for less than 20 you can add one.
Verify this by running the water until there s a steady stream coming from the hot water faucet.
Smell gone never had the problem again for the next several years.
Each water heater is equipped with a magnesium anode rod in order to temporarily limit corrosion within the tank.
No anode no problem.
Posted by tlc june 14 2018 faq water heaters wondering why your hot water smells like rotten eggs.
Checking your hot water heaters anode rod.
If the water heater is working fine and only a few years old i d recommend checking the anode rod s condition and replacing it.
Rectifying this reaction within your water heater.
The most common odor problem from water heaters is a rotten egg smell that comes out of your faucets and fixtures when running water.
A water quality specialist suggested that he remove the sacrificial anode.
Carefully check for leaks and don t turn on the electricity to the water heater until it s full of water.
If the electrical contacts on the thermostat mounted outside the water heater are overheating the plastic parts around the switch may overheat and burn.
Burning rubber or plastic if you smell burning rubber or burning plastic turn off the power source at the breaker first before trying to pinpoint the smell.
Water heater smells like.
Enough science talk how to know if this is the root cause.
I have a sear ray 330 and i believe it is and attwood ehm series.
Foul smell from hot water heater.
But to answer your question yes a tankless water heater won t have issues with smelly hot water.
If the specialist had known more he could have offered a more elegant solution.
My hot water has a foul smell to it.
The homeowner suddenly found he had rotten egg odor from his hot water.
If you get a sewage smell with cold water or only some faucets it could be a problem with piping or a sewer vent.
The hot water heater is a perfect breeding ground for bacteria hot stagnant water that sits for weeks at a time with little or no use.