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AO Smith residential water heater. 6 year versus 10 year
STEAM DOCTOR
Member Posts: 2,098
Good morning. Is there a difference between the sixth year and the 10-year water heaters? Guys in the supply houses don't seem to know. Some say the 10-year has an extra anode rod. Thanks. The insulation on the 10 year is thicker.
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Comments
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The only difference is they put an aluminum anode in the 6-year (part# 100109594) and magnesium in the 10-year (part# 100108660)
Insulation and everything else is the same.
The extra anode rod is only when you buy an extension warranty separately for your 6-year to turn it into a 10-year.
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Hi, For what it's worth, my approach has been to add a second rod to a five or six year tank. It gets the client a long-lived tank at a lower price. I only use magnesium when the water might be ingested.😋
Yours, Larry0 -
Larry Weingarten said:Hi, For what it's worth, my approach has been to add a second rod to a five or six year tank. It gets the client a long-lived tank at a lower price. I only use magnesium when the water might be ingested.😋 Yours, LarryBryant 245-8 2-pipe steam in a 1930s 6-unit 1-story apt building in the NM mountains. 26 radiators heating up 3800sqf.0
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I prefer installing a powered anode on 6 year warrantee heaters. The tank can last up to 25 years with proper routine maintenance.0
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Hi @guzzinerd , A second anode provides somewhat better protection (particularly in gas fired heaters) and also reduces the frequency of servicing. Most people are not too good at doing the service work. Also, I've been able to get over fifty years from tanks with regular maintenance.
Yours, Larry0 -
I think the powered anode and checking that the power supply is on every once in a while is more the level of maintenance i'm likely to do.0
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