[cwl1979]

Coach 435 was broken into years before i got it and the Aqua-Hot had an electrical fire. In an effort to not replace the system with a new or refurbished unit i decided to tackle this project myself. 
First thing to do was identify the problem.
   
Problem found
What caused this issue? Was it from the vandals? or something else entirely?
Guess i didn't get a picture of that but it turns out the 120 element had shorted internally and caught fire.
The next thing to do was see where it was leaking from. I was unable to tell where it was coming from while it was in the coach so..
   
time to remove it and leak check the tank
   
Once it was fully removed from the coach i removed all the covers by drilling out the rivets. I still couldn't make a definitive pinpoint on the leak. At this point i unsoldered all the copper pipes and removed the tank and coil. I took it over to the hose and flushed it out with water a couple times and discovered the 120 element was the source of the leak.
At this point i went to the local ACE and bought 2 caps for the 1/2 inch pipes and 2 1 inch plugs for the heater element holes. Slapped some pipe dope on everything and filled it with water in the yard.
   
I made sure the tank was sitting level and left it for a 24 hour leak down test. When i checked it the next afternoon the water level seemed the same with no visible wetness to speak of. The black mastic had been soaked in coolant from leaking out of the burned up 110 element. 
The tank and coil seemed to be fine so, This can be saved. I went through the website at https://www.heatmyrv.com and placed an order for parts.
While I'm waiting on the parts i figured id make a few improvements as well (like shutoff valves on ALL lines) and ordered new insulation for it and got it all cleaned up.    
Most of the parts should be here Friday so i can complete the rebuild. The new overflow tank and coolant wont be here for another week as they are ground freight only and I'm in Alaska. 

Parts i ordered from heatmyrv were aqua hot specific everything else i got from Amazon. I'm not spending 56 bucks for a fuse block, nor will i spend 39 bucks for a plastic overflow tank. Especially when i can get a polished aluminum one for 29.
A couple weird things i notice thou was the lack of shut-off valves for each loop so one doesn't have to drain the entire system to change an element. Another being why are they using horizontal flow valves on a vertical system? Using the right valves would help prevent the sticking people experience. I'm  still trying to figure out how i can adapt a household 240v thermostat to the system because 450 bucks for a 40 dollar thermostat is ridiculous. For now it will be a 110 and diesel operation. 

Ill continue this thread as the parts arrive and get added into the system.