Author Topic: Tankless water heater installed to replace old ancient hot water heater -- help!  (Read 2281 times)

kkbmustang

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We are at the end of the road for the hot water heater and the drain. We think there is sediment coming up through the pipes from the Heater. So we've got some work coming up here soon.

We have no idea the age of the hot water heater, but it was here when we bought the house six years ago. My hubs want to start pricing tankless water heaters in the event that it just stops one day, crawls to the road, and dies it's last breath.

So, any suggestions on where we can get one cheap?  And rules to know about in the switch out of old heater for a tankless? Words of wisdom for us?   
 
Thanks!

Edited to clear up near sleep induced typos.
« Last Edit: April 06, 2014, 07:29:54 AM by kkbmustang »

Milspecstache

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Need more information:

How often do you use hot water?  (all day, sporadically, etc)
Is current water heater electric/oil/gas?
Do you have natural gas avail?

kkbmustang

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Sporadically throughout the day. Showers in the morning, mostly. It runs on gas. We have two hot water heaters. The one about to die services the master bedroom, our daughter's room and a guest bedroom.

CarDude

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I advised someone else regarding this a few months ago. Basically, to go tankless, you'll need an entirely new set of gas lines if you buy a gas tankless system, which is a huge part of the installation cost if you don't install it on your own. If you don't have a conventional (furnace) venting system for your existing heaters, you'll also need to set up a new venting system or essentially install a chimney, which rockets up costs. If you're planning on an electric tankless heater, everything is much simpler, as you don't need venting and whatnot. However, you'll likely need an electrician, since you'll need to modify your power system to run one. Definitely do your research to make sure the payback period is worth it for you. Friend ultimately decided to stick with another gas water heater, since it would have taken 20 years to break even, which was also the expected lifetime of the tankless heater.

frompa

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Hey KKBMUSTANG - I'm wondering what did you decide in the end, regarding the tankless water heater?  We are facing a similar decision, albeit on a more urgent basis.  Thanks.