Tankless Water Heater

[CharlesinGA]

As far as wasting water, a conventional water heater comes on even when no water is being used when the tank temp drops, like during the night.

Edit: rereading your post, I see you are referring to a home water heater. Even my house one is well insulated and I do not think it cycles on very often while just sitting.

You are assuming that people leave their (RV) water heaters on all the time. I switch my Atwood on about 15 minutes before I plan to get in the shower and by then the water is warm enough to use only the hot water side for the shower. When it gets full hot, I shut it off and it stays hot all night. I have indicator light switches to remind me the heater is on, so I don't forget to switch it off.

Charles

 

[Deano2002]

I went to drain my Suburban water heater which was new this past June, removed the plug and the anode rod stayed in the water heater, tried to turn the drain plug in a few of the internal threads of it back onto the anode rod with no avail. Did the anode rod break away from the drain plug or was it supposed to turn out at the same time? Emailed Suburban and they were basically a waste of time because they couldn't understand what I meant

 

[DonTom]

See if this helps:

-Don- 79765

 

[Deano2002]

Don, I did unscrew the plug with the 1 1 /16" socket like I would normally do but that's all that came away from the heater, the anode is still sitting in there, did not come out attached to the 3/4" npt plug, must have broke away from it. The inside of the plug has internal threads as does the anode rod on the od.

 

[DonTom]

Don, I did unscrew the plug with the 1 1 /16" socket like I would normally do but that's all that came away from the heater, the anode is still sitting in there, did not come out attached to the 3/4" npt plug, must have broke away from it. The inside of the plug has internal threads as does the anode rod on the od.

When was the last time it was replaced? It must have been all eaten up.

Is it possible to get a new rod bolted in or do you have to first get the old one out? If broken inside, I doubt if it will hurt anything.

-Don- 79765

 

[Tulecreeper]

When was the last time it was replaced? It must have been all eaten up.

Is it possible to get a new rod bolted in or do you have to first get the old one out? If broken inside, I doubt if it will hurt anything.

-Don- 79765

He said it was new this past June, so there should be little, if any, corrosion.

 

[DonTom]

He said it was new this past June, so there should be little, if any, corrosion.

It must have been a cheap replacement part or something. I have never heard of this happening before.

@Deano2002 , can you take a photo of the reverse of that bolt and post it here?

-Don- 76765

 

[Deano2002]

Brand new this past June, I'll take a pic and post it. I was going to try and grab it with needle nose pliers but was concerned I'd mess the threads up. Evidently that anode rod threads into the 3/4" plug

 

[Deano2002]

 

[Deano2002]

any ideas how I can get this out? Does this thread out of the opening?

 

[Kirk]

You have a problem that is totally new to me as all anodes for RV water heaters that I have ever seen, the anode was permanently attached to the drain plug and came out with it. Is the anode still attached into the opening where the drain plug came out or is it loose inside?

 

[CharlesinGA]

I'm betting the tiny center rod broke and it is just stuck in there. You must have had some very acidic water to do that!

Needle nose vise grips and some wiggling?

Charles

 

[Deano2002]

You have a problem that is totally new to me as all anodes for RV water heaters that I have ever seen, the anode was permanently attached to the drain plug and came out with it. Is the anode still attached into the opening where the drain plug came out or is it loose inside?

Anode is sitting in the hole, didn't try to do anything yet but, have to get it out to winterize it. I'm thinking of grinding the threads off of the plug and threading it back onto the anode a try pulling it out that way

 

[Deano2002]

I'm betting the tiny center rod broke and it is just stuck in there. You must have had some very acidic water to do that!

Needle nose vise grips and some wiggling?

Charles

Yes, I see that tiny rod broken off, our water is not acidic, poor QC the thing is 4 months in use

 

[Tulecreeper]

You can't get hold of that threaded portion with a pair of pliers or vice grips and unscrew it?

 

[Deano2002]

for some strange reason I took out the plug again and it (anode) came out with it tonight. Ordered some new ones to keep on hand 3 for 19 dollars on Amazon