Plumbing Forum - Professional & DIY Plumbing Forum > General Plumbing Discussion > Water Heaters and Softeners > Does this look okay??



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Old 02-13-2012, 03:00 PM   #1
luvmyaussy
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Default Does this look okay??

Hello all,

Am attempting to install a Navien NR210 water heater. Am using the Navien valve kit. Because of new home construction/installation I am very flexable with how to install.

Here is a picture of the current planned plumbing configuration. I figures since the valve kit uses union type connections I wouldn't need another union on the water lines. Because the copper water supply was so close to the bottom of the heater I decided to plumb direct.

Haven't soldered anything yet. Any ideas of suggestions will be greatly appreciated!

Respectfully,

Jeff



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Old 02-13-2012, 03:37 PM   #2
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From what I can see it all looks good. What you do need is a drip leg on the gas line. Replace the ell at the bottom of the heater with a tee. Out of the bottom of the tee install a nipple with a cap on it. A 3-4" nipple will do. Other then that your good to go . Great job.

John



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Old 02-13-2012, 03:44 PM   #3
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Mine is mounted exactly as yours is, except I was advised to utilize a flexible gas line in lieu of the hard mount line. Also, John is correct. Add a tee to allow the sediment to drop down instead of falling into the gas nozzle. I see yours also has the wired remote. Where are you installing it?

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Old 02-13-2012, 04:45 PM   #4
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Also, don't forget to wrap your water lines to protect from heat loss and to give them a little added protection from unwanted bumps and bangs. I used hard foam pipe wraps with several zip ties to accomplish this.

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Old 02-13-2012, 06:09 PM   #5
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Hello all,

Thanks for the help. I wondered what a drip leg was used for on a gas line. I threaded and installed my black pipe and the gas company said they weren't necessary but you can bet I'll put one in.

Wrapped all my water lines both hot and cold with those 6ft. pieces of foam. At least the wife did.

The water heater is in the utility room of the house.

Thanks again.

LMA

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Old 02-13-2012, 07:30 PM   #6
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I'm curious how you vented it. Would you like to share with us?

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Old 02-13-2012, 07:58 PM   #7
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Oops. Forgot to list that. Am using a transition kit so only have to cut one opening in the roof. 3" sch. 40 pvc for both exhaust and intake from unit to transition then 4" through roof.

LMA

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Old 02-13-2012, 11:13 PM   #8
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if you use teflon tape ( reccomended ) on your black iron connections make sure to leave the first engaging thread bare so the tape does not end up in the line and make sure to use approved ( yellow ) tape.

looks good.

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Old 02-14-2012, 12:49 PM   #9
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remove Vertical nipple and L-bow. replace L-bow with "T" with extra opening pointing down. Screw 4" nipple pointing down and cap it. When you at this increase length of this vertical nipple by about 1/4" to make horizontal pipe with cut-off valve level.

THIS IS GREAT JOB, neat and clean.
congratulations.

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Old 02-14-2012, 01:03 PM   #10
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I just noticed that you don't have a condensation line installed yet. How are you going to deal with this?



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