Hi,
My solar heater does not have any checkvalves it seems, how do I best turn off and on? Can I leave the valve going up and return always open, 3 way valve open, then just let the pump turn on and off daily? Or do I need to close the 3 way valve first before turning pump off? I’m worried water coming back down into the filter.
Thanks!
My solar heater does not have any checkvalves it seems, how do I best turn off and on? Can I leave the valve going up and return always open, 3 way valve open, then just let the pump turn on and off daily? Or do I need to close the 3 way valve first before turning pump off? I’m worried water coming back down into the filter.
Thanks!
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