EcoRenovator - View Single Post - Heat Pump Water Heater

stevehull · 10-18-14, 05:09 AM

I agree with Bernie. As currently built, only a small fraction (10%?) of the water will flow over the copper coil. But a simple solution exists. Just block off the interior central hole with a PVC plug made of tubing and end caps. This will force the water to flow over the coil and will result in much better heat transfer.

I am concerned about the material used to plug the holes where the copper tubing comes out. Time will tell.

Great start however!

Steve

10-18-14, 05:09 AM	#16
stevehull Steve Hull Join Date: Dec 2012 Location: hilly, tree covered Arcadia, OK USA Posts: 826 Thanks: 241 Thanked 165 Times in 123 Posts	I agree with Bernie. As currently built, only a small fraction (10%?) of the water will flow over the copper coil. But a simple solution exists. Just block off the interior central hole with a PVC plug made of tubing and end caps. This will force the water to flow over the coil and will result in much better heat transfer. I am concerned about the material used to plug the holes where the copper tubing comes out. Time will tell. Great start however! Steve __________________ consulting on geothermal heating/cooling & rational energy use since 1990 Last edited by stevehull; 10-18-14 at 05:19 AM..