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Never trust anything that comes to you new because usually they are made in china and are not consistent, but next time make sure clean air is being supplied if impeller gets dirt build it becomes imbalanced and will draw high amps and create that vibration noise. Also vibration noise can be caused by improper combustion set up.
Check and see if the cold water has been plumbed to the 'c' on the heater, the hot to the 'h', and the relief valve somewhere else, usually on the side. Maybe the plumber cheated somewhere to make installation easy.
Like a buzzing noise? Check valve where water lines connect at back will make a buzzing noise, if you only hear it when running hot water and not when running cold. Remove and replace it after shutting water off, and draining tank down. Be sure to shut off any hydro to electric element prior to draining.You can buy a replacement check valve, or just put a short 1/2" pipe nipple in there instead and reconnect your line, and refill it. noise should be gone .
Hi,
Is the noise when the water is running or when the burner is running???
If it is just the water then the noise often is the flow checks inside the tubes going to and from the heater...
If it is the burner, then the noise could be the gas going through the gas valve...a bit of moisture or dirt can sometimes cause noises...usulally will correct its self after a bit of time...no worry...
poping crackling sounds and such are common with mineral builsup in the bottom of the heater....
Flush the heater and get the dirt out....
sizzling noises sometimes happen from condensation dripping onto the burner....gain not a problem...
sometimes the gas properties will cause the gas to make noises when going through the gas orifice into the burner... usually this is air or a LP air mixture known as "citigas" that will burn like natural gas but really isn't and it will make noises such as your are describing...again no problem...
Ultimately the noise you hear is not a problem but can be irritaing if the heater is where you can hear it easily...
Feel free to comment back if you have any more questions...
You should be able to hear if fan is running. If it is running & not making squeaking or grinding noises, most likely the flue (pipe that exhausts fumes outside) is plugged. Bird nest, beehive or some other restriction.
E2 means hot water over shot, make sure to check boiler hot water system to make sure zone valve or control is staying closed when the call for boiler hot water to the water heater is isolated. Sometimes a zone valve will fail open or not close properly causing hot boiler water to constantly feed the water heater.
Stop wondering, replace the thing and your troubles will be over. Your troubles are inside the tank and not worth even giving it another thought. Go for it!
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