solar hot water

I'm reactivating a 1980's era solar thermal system that's been out of service for about 15-20 years. It's all working now, but I have a concern. The potable water solar loop has two 100 gallon tanks. The tank hot goes via 1" pipe to meet the 2" cold feed to the 120 gallon commercial gas water...

I have a solar hot water heating system that has a German tank. I need to replace the anode rod. I'm not sure of the manufacturer of the tank but model number is ESS-PU-300. I found an old price list from www.huch.com that includes some specifications. I'm trying to figure out what anode rod...

Hi, I hope this is the right forum to post my question. I have a problem with my solar hot water system. It does not seem to be supplying adequate hot water. Any helpful comments, please! I have (inherited) an Open solar hot water system (No coils inside tank, the fluid in the collector is...