Quote:
Originally Posted by lockrookie
just got a bit od a concern as far as your closed loop goes..... you donthaveany shut off valves incase of pump problems that cansee... you unhook that thing and drainyour tank... unless i just dont see it.
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I think I see a check valve in each line. But I wouldn't trust a check valve either. But at least it would take a long time to drain the tank out with a leaky check valve.