Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Plumbing

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 10-13-2009, 09:20 AM   #1
Newbie
 
philcjr's Avatar
 
Join Date: Oct 2009
Posts: 9
Share |
Question

Tankless water heater


My old tank type natural gas water heater is 15 years old and I'm thinking about going for a tankless model. The only problem is the cost...plumbers I've spoken to are asking anywhere from $2500 and up for the install.

My install seems pretty straight forward I would mount the unit on a wall and vent horizontally out an adjacent wall, my 3/4" hot and cold water lines are right below and I have 3/4" gas that I have to extend about 6'.

I've been researching some of the brands like Rheem, Rinnai, Takasi, etc. and came across an off- brand called EZTankless. They sell a model called the EZ Deluxe, which comes with the SS vent pipe for under $500.

Anyone have experience with this brand..good or bad?

philcjr is offline   Reply With Quote
Old 10-13-2009, 09:51 AM   #2
Member
 
Join Date: Dec 2007
Location: Baltimore, MD
Posts: 1,802
Default

Tankless water heater


Did the plumbers mention if your gas line would have to be changed? Many of these units require larger gas feeds for the increased capacity.

jerryh3 is offline   Reply With Quote
Old 10-13-2009, 10:40 AM   #3
Member
 
Join Date: Sep 2006
Posts: 1,670
Default

Tankless water heater


Tankless heaters are very complex. This is truly a "you get what you pay for" situation. With the exception of the gas line needing to be extended, and the vent pipe (which will need to extend above the roof) the installation should not be difficult. Rinnai seems to have the approval I see most among tankless units. This is not something you want to be replacing often. Make sure there are repair people in your area in case there is a problem. Many Plumbers will install them, but do not do warranty or any other repair work. Also be aware of the proper size unit you need to supply your water needs. Good luck.
__________________
If you have never made a mistake, you haven't done much.
majakdragon is offline   Reply With Quote
Old 10-13-2009, 11:05 AM   #4
Newbie
 
philcjr's Avatar
 
Join Date: Oct 2009
Posts: 9
Default

Tankless water heater


Thanks for the replies.

jerryh3, I have 3/4" gas already, which is stepped down to 1/2" for my tank type heater, so I should be able to extend the line in steel pipe.

Good advice, majakdragon, and I think you hit the nail on the head about plumbers not wanting to get involved with guarantees and call backs on these units. Rinnai was the brand recommended by the plumbers I spoke to.
BTW, the horizontal venting dosen't need to go up and clear the roof it just vents outside the wall.
philcjr is offline   Reply With Quote
Old 10-13-2009, 11:37 AM   #5
Member
 
Join Date: Jan 2009
Location: WV
Posts: 2,883
Default

Tankless water heater


Quote:
Originally Posted by philcjr View Post
My old tank type natural gas water heater is 15 years old and I'm thinking about going for a tankless model. The only problem is the cost...plumbers I've spoken to are asking anywhere from $2500 and up for the install.

My install seems pretty straight forward I would mount the unit on a wall and vent horizontally out an adjacent wall, my 3/4" hot and cold water lines are right below and I have 3/4" gas that I have to extend about 6'.

I've been researching some of the brands like Rheem, Rinnai, Takasi, etc. and came across an off- brand called EZTankless. They sell a model called the EZ Deluxe, which comes with the SS vent pipe for under $500.

Anyone have experience with this brand..good or bad?
I did a lot of research on tankless units before installing one in my new log home. I'd be very wary of a unit costing less than $500. Most I looked into were more than twice that much just for the heater. My vent piping and service valve kit alone were nearly $500.
md2lgyk is online now   Reply With Quote
Old 10-13-2009, 11:30 PM   #6
Member
 
Join Date: Mar 2008
Posts: 350
Default

Tankless water heater


Quote:
Originally Posted by philcjr View Post
Thanks for the replies.

jerryh3, I have 3/4" gas already, which is stepped down to 1/2" for my tank type heater, so I should be able to extend the line in steel pipe.

Good advice, majakdragon, and I think you hit the nail on the head about plumbers not wanting to get involved with guarantees and call backs on these units. Rinnai was the brand recommended by the plumbers I spoke to.
BTW, the horizontal venting dosen't need to go up and clear the roof it just vents outside the wall.

the fact that you have a 3/4" gas pipe near it doesn't mean anything.. you have to size the whole system. the old heater used about 40k btu at the most and your new one will be like 199k btu a huge difference. I doubt you have the piping to support that. you have to have the proper sizing to meet the demands of all your appliances. If you try to just hookup to a 3/4" pipe and you don't have a large enough trubk from the meter you will not get enough hot water.
plumber Jim is offline   Reply With Quote
Old 10-14-2009, 05:56 AM   #7
Newbie
 
philcjr's Avatar
 
Join Date: Oct 2009
Posts: 9
Default

Tankless water heater


Quote:
Originally Posted by plumber Jim View Post
the fact that you have a 3/4" gas pipe near it doesn't mean anything.. you have to size the whole system. the old heater used about 40k btu at the most and your new one will be like 199k btu a huge difference. I doubt you have the piping to support that. you have to have the proper sizing to meet the demands of all your appliances. If you try to just hookup to a 3/4" pipe and you don't have a large enough trubk from the meter you will not get enough hot water.
OK, so I guess I'll have to contact the Gas Co. to be sure I have the proper service.

The more I look into this, the less favorable the tankless is looking.

philcjr is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Low hot water pressure crebive Plumbing 38 02-26-2013 12:26 AM
Multiple hot water heater issues a-6intruder Plumbing 8 01-16-2009 05:58 PM
Testing 12 year old hot water expansion tank? DJfixer Plumbing 2 01-01-2009 08:09 AM
tankless hot water heater bobo Plumbing 3 01-02-2007 05:34 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.