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post #23 of (permalink) Old 25-06-2016, 13:04
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Originally Posted by PeteFarnell View Post
I wonder if the purpose of the "overflow" pipes is to let air out of the tank as it fills with water?
When I'm topping up the tank with a watering can if I'm on site and don't want to move, I have to pour water in fairly slowly or I get an airlock and it gurgles and spits water out of the filling hole.
They may also be there to allow a sufficient flow of air in as the water is used.
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