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Ask Machinc Your Own Question
Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 920
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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My Quantum hot water system is rattling when it is heating

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My Quantum hot water system is rattling when it is heating up. The system is five years old. Is this a problem?
There is an anode in some water heaters
That us to help keep the tank from corroding. g
Once it deterioritates enough that it no longer
helps protect the tank the tank itself
can eventually corrode and have a sudden leak.
They should last 15-20 years but water
Conditions can cause them to fail sooner.
There is a small connection on the bottom
where a hose can be connected to drain the heater.
This should be done annually but most people
never do it .The electricity or gas and cold water has to be off when this is done.
This is supposed to help prolong the life of the heater.
The rattling is possibly caused by rusty parts
inside the heater.
You can drain it and examine the water but that won't change
it may be time to replace it.


Quantum specifications call for the anode to be removed and inspected every fifth year of operation .
If it is corroded it should be replaced.
There are exact procedures for doing this.
The water and the electricity need to be turned
off during the process.
The parts from the corroded anode can be causing the
rattle . They can be removed by draining the gm heater.
which also requires turning off the water and electricity.

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