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Old 01-28-2012, 10:03 PM   #16
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Hot Water doesn't last as long as it used to.


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The imperative still build up just like a tank WH. The heat exchanger on a tankless is small. I'm sure you know this. In areas where water hardness is great and no water softner is used the hardness will clog and I mean completely plug this little heat exchanger.

We use a mixture of distiled water and vinager.

The Sonic here will replace there tankless every year to two years because they won't pay someone to flush it.
Wouldn't the homeowner notice a decrease in water pressure/flow rate?

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Old 01-28-2012, 10:16 PM   #17
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Hot Water doesn't last as long as it used to.


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Wouldn't the homeowner notice a decrease in water pressure/flow rate?
Yes they could and usually by then it's to late. We install Rheem and haven't noticed it as much as the rinnai.

I like Rheem because we can us Sch 40 3" as the flue. Heck alot cheaper that rinnai's metal flue.
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Old 01-28-2012, 10:58 PM   #18
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Hot Water doesn't last as long as it used to.


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Yes they could and usually by then it's to late. We install Rheem and haven't noticed it as much as the rinnai.

I like Rheem because we can us Sch 40 3" as the flue. Heck alot cheaper that rinnai's metal flue.
Isn't that extra cost just passed along to the homeowner?
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Old 01-28-2012, 11:00 PM   #19
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Hot Water doesn't last as long as it used to.


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Isn't that extra cost just passed along to the homeowner?
Of course it is....at twice the cost. Overhead isn't negotiable, it's part of the process.
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Old 01-29-2012, 11:08 AM   #20
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Hot Water doesn't last as long as it used to.


Hi everyone, thanks for all of the responces. Right now its only my wife and I living here, but we plan to expand with a family in the upcoming years. We definitly plan on living here 30 + years so that isn't an issue. My biggest concern was having enough water for all 3 bathrooms (more so when we have kids) and to fill our soaking tub, we usually use it once a week or so.

I did some research on tankless water heaters this morning. Some sites say it can take nearly 22 years to pay for itself including maintenance and installation! With all of the extra costs involved, I think we may just get a new 75 gal tank HWH and get by for another 10 years. I don't think I want to fix thed one I have now because my biggest fear is it springing a leak and getting water all over my fully finished basement.

Is there a particular brand that is reccomended? Home Depot has GE and Lowes has a brand called Envirotemp which I haven't really heard of before but its almost 100 dollars cheapper. HD and Lowes only had one option for 75 gallons. Is there anywhere else I can shop for them at?

Thanks again!

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Old 01-29-2012, 11:20 AM   #21
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Hot Water doesn't last as long as it used to.


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Hi everyone, thanks for all of the responces. Right now its only my wife and I living here, but we plan to expand with a family in the upcoming years. We definitly plan on living here 30 + years so that isn't an issue. My biggest concern was having enough water for all 3 bathrooms (more so when we have kids) and to fill our soaking tub, we usually use it once a week or so.

I did some research on tankless water heaters this morning. Some sites say it can take nearly 22 years to pay for itself including maintenance and installation! With all of the extra costs involved, I think we may just get a new 75 gal tank HWH and get by for another 10 years. I don't think I want to fix thed one I have now because my biggest fear is it springing a leak and getting water all over my fully finished basement.

Is there a particular brand that is reccomended? Home Depot has GE and Lowes has a brand called Envirotemp which I haven't really heard of before but its almost 100 dollars cheapper. HD and Lowes only had one option for 75 gallons. Is there anywhere else I can shop for them at?

Thanks again!
I bought my 75 gal AO Smith online and hired a plumbing company to install it. Supposedly there are only 3 HWH manufacturers in the US. AO Smith, Rheem, and Bradford White. They supposedly make HWH's for HD and Lowes, but lower grade. Apparently all HWH's are made in the US now.

I paid about $850 for the HWH and $450 to remove old and install new. I saved about $400 doing it my way based on the quotes I was getting from all inclusive plumbing companies.

BTW, my model was the 6-12 model that has the magnesium anode and extended warranty, which is about $100 more expensive.
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Old 01-29-2012, 05:03 PM   #22
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Hot Water doesn't last as long as it used to.


Handyman....if you check online at either Lowes or Home Depot you will find GE and Whirlpool water heaters in the 80 gal. range.
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Old 01-29-2012, 05:48 PM   #23
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Hot Water doesn't last as long as it used to.


tankless has to be sized correctly. gallons per minute use vs temp. range so do not just go get a tankless with out figuring this out it might change your cost also venting can be costly unless you go to one that is vented with pvc. do you have a large enough gas supply

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