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WOW, that was an awesome reply. Thank you! I don't know why I didn't receive a notification that you replied, but I am just seeing this almost 1 year after it was posted. I still have the tank in my basement and I'm still considering this project, even more so now that I saw your reply. We...

I had a drainback solar hot water system installed and running for a while, but due to a recent renovation I took it down and don't plan to put it back up. I still have the 120gal drainback tank sitting in my basement. It is designed similar to an indirect fired hot water tank, except the...

Thanks Dana. You really threw a wrench into the mix there. I'm trying to get a good understanding of what you're suggesting, starting with the HW+ controller. This looks like something that I could do myself, and doing some research online it seems this thing isn't a gimmick. Coincidentally...

Thanks Jim. I turned up the aquastat to 130/160 until I could locate a manual for the boiler online. The estimate I got for adding the indirect included a mixing valve. Right now the tankless coil has a gate (or globe?) valve between the inlet and outlet which I think is supposed to act like...

I have a 30yr old peerless oil fired boiler, single zone hydronic heat, 5gpm tankless coil setup in NY. We've been in the house for 2 yrs now and so far so good. We are looking into adding a 30-40 gallon indirect in order to improve the efficiency of our system. I having trouble getting...