Water Heater

[Hampton]

Sorry I haven't been here for a while. Life is So Busy.

My water heater started leaking today when I turned the fresh water pump on.

It was manufactured in 2006.

Attwood/Dometic EHM11-SM. I assume I'll be better off replacing the whole thing.

What is the most similar replacement? Anyone know?

Thank you.

 

[Soulshine]

I can’t speak to your specific unit but I installed a Kuuma HWH last year and it’s been great.

There were enough sizes and configurations available that you’ll probably find a fit.

 

[JC3]

Hi John, Great seeing you on the board again. I hope all is well for you and yours! Sorry about the water heater. I wish I could help. Good luck, JC

 

[Henry Boyd]

We have the Quick B3 it’s a stainless tank encased in a tough poly and foam shell. I had to replace the thermostat last year (easy job) and discovered how well built they are.

 

[Hampton]

Thank you everyone.

 

[Hampton]

I bought a Kuuma 11 gal water heater. It is 2 1/2" longer front to rear. Bummer, but should work. I started by making sure I could disconnect the old one and removed the mounting screws. Difficult, but doable.

Then, I removed the six clamps holding the right exhaust pipe in place. I used a long, skinny screw driver to release the rubber connecting tubes that extend from the exhaust pipe to the hard mounted exhaust system at the rear and the turbo fitting at the front. This was a bitch!!!
Next, I spun the exhaust pipe to free it up. I moved it aft, rotated it, and then moved it forward to get it free. It has a 30 degree bend in the front that allows you to miss the turbo fitting when you rotate it so you can move it forward and take it off the aft fitting.

Once I did this, water began to flow into the bilge. I had prepared a plastic plate cut to 6 1/2" dia and duct tape to serve as a plug. I put it on.

With the pipe free, I could brace it against the ceiling of the bilge and maneuver the old water heater out beneath it.

I moved the old fittings to the new unit. Other stuff I had to remove: one battery, one ceiling light, several hose and wire anchors, the big, automatic fire extinguisher, lots of little things.

I cut four strips of Hardy board and installed them where the new tank would go with SS screws to elevate it - duh!!! I maneuvered the new tank into position. This was a bitch! There is zero extra room. The slightly longer heater made me remove a battery to get the required clearance.

I checked to make sure it was going to work as far as fit and fittings are concerned. Then, to keep the boat from sinking, I maneuvered the exhaust pipe back into position. This was a bitch! I installed a couple clamps for the night. Big day!!!

 

[Hampton]

https://photos.app.goo.gl/mZACWgLae4Ur1rny5

 

[Hampton]

https://photos.app.goo.gl/JtWuCXcQX5jPTzY96

https://photos.app.goo.gl/KP7VSE8t2tMSJuqG9