Next message: Randy Pickelmann: "T&T: Florida West coast and Keys cruising guides"
Thanks again for the ideas.
My query is concerning a marina of several hundred boats thus many of the
solutions are just not practical i.e. heat tape, insulation etc. I am
certain running the hoses underwater would not fly either nor replacing
all the pipes
Keeping the water running seems to do the trick. Obviously there are many
electrically contolled valves i.e. a fuel solenoid but it has just struck
me "zone control valves" used in a heating system. I believe most use
24vac through a small transformer. Now just need a thermostat that is
sensitive to around say 35 degrees F. ?????
John
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