Hot Water Tank

[Tim Aseltine]

Good day to All

Has anyone had to replace, or ever, remove their hot water tank? My pressure relief valve has locked open and will not shut. I have sprayed with the best penetrating oils with no luck of removing the old one. It was suggested that I install a new one on the outtake of the broken one for our trip. The problem with that was the threads are too close to the tank and I was not able to get the threads to start.

HELP

Tim Aseltine
Kraken the Wine #27
Sent from my iPad

[Eric Baumes]

I replaced mine last year as it had rotted out. This is a drop in replacement for my boat https://defender.com/en_us/seaward-marine-water-heater-with-rear-heat-exchanger. I was able to re-use the fittings. 

It was a 2-3 hour job to remove and re-install with someone in the transom for a good amount of that time. When removing the radiator hoses you will lose some coolant. I plumbed the together while I was doing the replacement so as to not lose too much. However you will lose coolant that is in the hot water tank. I didn't think it was that much and even after I thought I topped off the coolant, after I ran it for a while I had to add more (beeeeeeeeeeep!!!!)

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[sandy....@rogers.com]

I replaced mine with this.  It is impressive.

 

https://www.amazon.com/gp/product/B005BI9WNC/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1

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[James Sherk]

Hi guys

My hot water tank relief valve let go and start putting water everywhere. I replaced it with a relief valve off of an electric hot water tank.
As the electric hot water tanks, have a longer neck on them to go through the insulation

It was tough to change, but I didn’t have that much of a problem

James

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On Aug 18, 2023, at 4:45 PM, sandy....@rogers.com wrote:



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[Tim Aseltine]

I put a pipe wrench to it and the brass on the valve was scraping off.

You can’t heat it up. Too close to the tank.

Tim

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On Aug 18, 2023, at 5:14 PM, James Sherk <james...@gmail.com> wrote:

Hi guys

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