Tank is sealed too well

[Dave B]

Got a wyedale in my kangoo now

When i have used over 25l ish the tank starts to crush itself as there is a vacuum being caused

What do you guys do?

All i can think is drill a tiny hole in the lid but don't really want to as then it won't be waterproof

 

[David K]

My lid have a membrane , also a wydale (350l) . But my earlier tank didnt have a membrane and it did the same ,i drilled 3 Very thin holes , you wont get issues with that. Theres Always a little splashing around anyway.

 

[SPCleaning]

We had the same problem, so we cut a hole in the lid and attached a male hozelock fitting, so that we can attach the filling hose without opening the lid.

 

[Phildeeney]

You need something to let the tank breathe somehow you can get breather valves that fit in the lid. Xline have put one in the xtrolley lid

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[Crystal Windows]

Just unscrew the cap by half a turn problem solved

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[♠Winp®oClean♠]

I just drilled a small hole in the lid and inserted some pole hose (tight fit) to act as a breather pipe.

 

[Dave B]

Just sorted it

The wyedale lid has a piece perfectly made for a hole i reckon so i drilled it

It is quite long (about 1.5") so i reckon splashes won't get out

 

[Skxawng]

Just unscrew the cap by half a turn problem solved

Yep that's what I do I used to have a breather pipe but I changed the tank and didn't bother this time and it's been fine