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PSA for prolonged freezing temps and outdoor tankless water heaters

Posted on 1/22/26 at 4:44 pm
Posted by SquatchDawg
Cohutta Wilderness
Member since Sep 2012
19511 posts
Posted on 1/22/26 at 4:44 pm
Make sure the pipes coming out of your house into the unit and back out of the unit and into your house are insulated. I found out the hard way years ago they weren’t. Had to gently thaw them with propane burner for a turkey fryer.

I later wrapped them pipe insulation and packed more OC fiber insulation around them. No problem since.

Just FYI.
Posted by Ping Pong
LSU and UVA alum
Member since Aug 2014
6125 posts
Posted on 1/22/26 at 4:45 pm to
don't worry, I'll keep your mom's pipes warm
Posted by OleVaught14
Member since Jun 2019
10974 posts
Posted on 1/22/26 at 4:47 pm to
quote:

I'll keep your mom's pipes warm


Posted by GoAwayImBaitn
On an island in the marsh
Member since Jul 2018
2876 posts
Posted on 1/22/26 at 4:47 pm to
quote:

don't worry, I'll keep your mom's pipes warm


And your mom will keep my pipe warm
Posted by SquatchDawg
Cohutta Wilderness
Member since Sep 2012
19511 posts
Posted on 1/22/26 at 4:49 pm to
This post was intended for those with homes that don’t have wheels or underpinning.

TYFYS
Posted by LSUGrad9295
Baton Rouge
Member since May 2007
37146 posts
Posted on 1/22/26 at 4:58 pm to
quote:

PSA for prolonged freezing temps and outdoor tankless water heaters


I would hate to be the guy who has to repair those if they go bad. It is definitely a tankless job....
Posted by deeprig9
Unincorporated Ozora
Member since Sep 2012
73982 posts
Posted on 1/22/26 at 4:59 pm to
USAA texted me to remind me not to use gas generators indoors. Passing it along.
Posted by BIGJLAW
Member since Mar 2013
8962 posts
Posted on 1/22/26 at 5:00 pm to
quote:

don't worry, I'll keep your mom's pipes warm

You must be a Democrat as they don't know biology as well.
Posted by GreenRockTiger
vortex to the whirlpool of despair
Member since Jun 2020
59650 posts
Posted on 1/22/26 at 5:01 pm to
subtle I have running water brag
Posted by SquatchDawg
Cohutta Wilderness
Member since Sep 2012
19511 posts
Posted on 1/22/26 at 5:05 pm to
If just one child is saved because of my useful notice - it’s worth all of the abuse I’ll get in this thread.
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
7951 posts
Posted on 1/22/26 at 5:05 pm to
And keep space heaters away from rugs, curtains, bedding, etc.
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
7951 posts
Posted on 1/22/26 at 5:06 pm to
quote:

If just one child is saved because of my useful notice - it’s worth all of the abuse I’ll get in this thread.


Because of no hot water? Drama Queen!

My post will save a life.
Posted by HarrisonTown
Member since Nov 2019
582 posts
Posted on 1/22/26 at 5:12 pm to
quote:

I would hate to be the guy who has to repair those if they go bad. It is definitely a tankless job....


ISWYDT

real answer: drain the whole house and go on vacation, profit
Posted by Cosmo
glassman's guest house
Member since Oct 2003
129962 posts
Posted on 1/22/26 at 5:13 pm to
Why would it be outside?

Mine are in garage
Posted by SquatchDawg
Cohutta Wilderness
Member since Sep 2012
19511 posts
Posted on 1/22/26 at 5:19 pm to
The tank WH was against a wall in an unfinished basement so we had to move it outside when we finished the basement and went to a gas tankless. That’s where the gas and water lines were so it was the easiest path.

For the baws that read this, a basement is an area under the main floor of your house due to having a lot that has an elevation change from one side of your house to another….thus providing extra space.
This post was edited on 1/22/26 at 5:35 pm
Posted by Spocks Brain
Member since Nov 2025
71 posts
Posted on 1/22/26 at 5:31 pm to
Yes they will freeze up. A couple of years ago we took a hair dryer to them for about 10 mins each and they became unfrozen. Once it opens up leaving them running for awhile
Posted by BabyTac
Austin, TX
Member since Jun 2008
16033 posts
Posted on 1/22/26 at 6:12 pm to
It’ll literally be below freezing for a handful of hours. Geez.
Posted by UKWildcats
Lexington, KY
Member since Mar 2015
19074 posts
Posted on 1/22/26 at 6:48 pm to
I'm a plumber.....why would you not have insulated your incoming supply that is exposed to the elements from the get go? Don't be that guy. Use common sense.
Posted by dgnx6
Member since Feb 2006
87027 posts
Posted on 1/22/26 at 6:53 pm to
quote:

I'm a plumber.....why would you not have insulated your incoming supply that is exposed to the elements from the get go? Don't be that guy. Use common sense.


Why didn’t the plumber?
Posted by BigUglies10
Member since Jan 2026
698 posts
Posted on 1/22/26 at 6:54 pm to
Depends on where you live Einstein. Geez.
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