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Window Cleaning Forum / Re: EV Van Drivers, give us an update…
« Last post by Splash and dash on Yesterday at 08:08:14 pm »You just need to fit a non-return valve on the tank outlet. Cost about a fiver and pretty much eliminates air ingress! I've been using one for years. 👍
That doesn’t work when the vans parked up hill and the water level is below the water outlet , I found this to be the main issues with a flat tank.
Errrrrr.... Obviously! But it does prevent air ingress from the water movement when the level drops to a low point.
But quite often you end up with half a tank of water you can’t use if parked on a hill, that was the main issue I had then you got air in the system and it was a pita when you did have water above the outlet again ,.
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