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Started By
Message
2
Posted on 1/16/24 at 12:52 pm to LSUDad
quote:
A small drip with some tankless, will not start the heating section. They are sensitive with water flow.
even better. You just need it moving barely so it doesn't freeze.
Posted on 1/16/24 at 1:48 pm to jmorr34
tonight, run your dishwasher on heat setting around 2 am. That always works for me. I have a outside tankless as well
Posted on 1/16/24 at 2:45 pm to LSUDad
quote:
A small drip with some tankless, will not start the heating section. They are sensitive with water flow.
You can also just turn the tankless heater off at the control panel. Or, some brands can simply be un-plugged. Then trickle the hot side and kill two birds with one stone.
Posted on 1/16/24 at 5:25 pm to Fachie
quote:
Some of the newer ones have "freeze protection", but no one seems to comment on how well it works.
I had the same (looking) unit installed a few months ago and it has supposed freeze protection. unit didn't freeze last night
Posted on 1/16/24 at 5:49 pm to jmorr34
You have to let the hot water run and the cold water run. Be sure the hot water is running hard enough to trigger the sensor. No amount of insulation will stop it from freezing
Posted on 1/17/24 at 6:39 am to SPT
You don't need the heater to turn on. Mine is on the north side of my house. My valves aren't exposed like OP's, but they are just inside the enclosure. Lined with some scrap blue board, and hot side faucets trickling NOT kicking on the heater it was fine. 17* one night and 13* last night.
It doesn't take 50GPM to keep a line from freezing.
It doesn't take 50GPM to keep a line from freezing.
This post was edited on 1/17/24 at 6:40 am
Posted on 1/17/24 at 8:10 am to jmorr34
For the future, I would insulate the pipes much better than they are now. And somehow cover it all temporarily when it gets really cold.
Posted on 1/17/24 at 9:45 am to jmorr34
My lines froze and then thawed but pipe busted. Was pissed and happy at the same time that it is on the outside of the house. Everything is well insulated but I didn't drip my hot water. You live and you learn.
Posted on 1/17/24 at 10:16 am to bbvdd
Turned on both hot and cold and no issues last night. Just did little more than a small drip.
Posted on 1/17/24 at 2:11 pm to Fachie
Fachie do you have pictures of the insulated box you built. I built a box out of plywood to protect my tankless heater and just looking for better ideas?
Was maybe thinking of building a box out of alum. and insulating the box.
Was maybe thinking of building a box out of alum. and insulating the box.
Posted on 1/17/24 at 3:32 pm to the shocker2010
I have #2 tankless heaters on the outside of my house. I have the cosmetic cover over my pipes which are directly underneath, and they go almost straight into my house. I wrap the pipes with foam, as much as possible, but then also wrap this around the pipes, stuffing the box as much as possible.
Insulation
Insulation
Posted on 1/18/24 at 9:18 am to bapple
Thanks for sharing. May check this out.
Posted on 1/20/24 at 8:10 am to jmorr34
quote:
Glad to see my harbor freight heat gun
Twice with out breaking! Good luck on next time? How long does the extended warranty protection last?
Posted on 1/20/24 at 11:40 am to the shocker2010
Rinnai RGB-25U-C Universal Recess Box is what I used. In the lower part there is enough room to line that area with blue board. I wouldn't have bought the box, and made one myself, but at the time we were trying to finish the build, and my wife knew it would get put on a list of things to finish later, and never get done.
Posted on 1/21/24 at 8:50 am to bbvdd
quote:
small drip with some tankless, will not start the heating section. They are sensitive with water flow.
We turn ours off before bed and leave a couple faucets dripping with hot. No issues .
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