March 28, 20224 yr Hi to all in the forum. I acquired a 30 panel tube type collector on Facebook marketplace and now I'm searching for a big tank and other items. What is the difference between single and dual/twin line pump stations? I installed a few ST systems years ago and so I've half an idea what I'm doing
March 28, 20224 yr Twin line has panel return temp I think. All you really need is the filling loop, flow setting valve and pump. Maybe a non return valve on some systems. Keep it simple IMO. Are you going pressurised or drainback?
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