Dolly, container, labor, $1000??? I'm confused.Jim,
I'm pricing one of these heaters out. I dont know how you did yours for 150.00 or 125.00 but 100 ft. Of copper coils is gonna cost me that alone. Not counting a dolly, a container to hold the water. A lid. Connections or fittings, insulation my labor etc etc.
I'm probably looking at a grand not counting my labor.
50' 3/8" copper tubing is $50 on Amazon, two 3/8" x 1/4" compression fittings $9 at any home center, 5 gallon bucket with lid $5 if you don't have one. I got $65 or $115 if you want 100' of copper. This can be easy or as expensive and complicated as you want to make it.