Question about Water Heaters
Most likely the humming is due to a defective or damaged check valve on your water METER and only translates the sound through your extrol expansion tank. The check valve on your meter should be replaced. The noise stops when you run water because the faster flow through the check valve opens it completely. Most likely you have a running toilet or dripping faucet that let's water seep through the check valve causing it to partially open and creating vibration in the bad gaskets on the check valve.
#1 have the check valve replaced
#2 find and repair the water leak
Posted on Dec 20, 2014
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Posted on Jan 02, 2017
SOURCE: pipes humming in house
From your description, I am guessing you are on a deep well with this answer. I think you have an issue with the well pump. To isolate it do this...........
Turn the main supply valve off to the house. Your well tank should have a hose bib on the well tee. Hook a hose up to that and run it outside. Open the valve to the hose until you heard the pressure click on which activates the pump. After the click close the valve and listen for the hum. If it still hums it is the Well and not the piping in your home.
Please rate this response after testing and Good Luck, Phil
Posted on Dec 30, 2008
I had a customer a few weeks ago that had the same problem. When the water heater was installed they crossed the supply lines. They had the inlet as the outlet. Esentially, the water heater was plumbed in backwards. Also there could be a miss piping somewhere in the house but it would probably be near impossible to find it right now without tearing up foundations. Also check that the faucet is not plumbed backwards as well. Especially if this is a single handle faucet that you are referring to.
Posted on Apr 06, 2009
This seems to be a case of blockage within the toilet. Check the
Flushholes under the inside-rim of the toilet. they might be partially blocked by debris or deposits. If so, a Wire-Clotheshanger will help.
If the Blockage is in the drain, a Handauger might be helpful to push
blocking objects through or retrieve.
Waterlevel in the Toilet-tank could be too low. It should be about 1"
below the top of the Drainvalve in the middle of the Tank.
Posted on Aug 23, 2009
I had the same problem. I had a steam boiler and the water level in the glass gauge was below the top of the coil of the tank. remember water finds its own level, so it settled at the glass gauge level, therefore air got in coil.
to resolve problem : turned on manual water feed to boiler to raise water level. as water level got higher, let out water in hosecock between boiler and amtrol. amtrol noticed hot water reduction, circulator clicked on, boiler kicked on, turned off hosecock, turned off manual feed. I effectively bleed water out of line by running water out of amtrol as water feed in boiler increased water level above coil.
took a while to figure this out, so if this is the problem, dont feel to bad. keep water level of steam boiler high.
Posted on May 12, 2010
SOURCE: My Amtrol Therm-x-trol tank has
Sounds like the internal diaphragm has ruptured. The tank should be replaced immediately. You should disconnect the electrical power to the water heater and close off the incoming water supply to the heater. Open a HW faucet to relieve the pressure and remove the tank. Be careful cause you are going to get wet. Replace with a new tank.
Posted on Oct 01, 2010
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