Three drain pipes

[Neardonny]

Can anyone tell my why our Imala 615 15reg has three drain pipes ? Might be a bit obvious to a lot of members but I'm still learning.

 

[Figaro]

The larger one looks like grey waste drain
The two taps may be fresh tank drain and boiler drain ?
Others who know the van will probably be along soon

 

[andy63]

Dont know your specific vehicle..but its most probably a fresh water tank drain..another drain on the fresh water that doesn't drain the tank butallows a limited amount of water to remain in tank..and the large bore grey pipe will be your waste tank drain..
Andy

 

[TinaLes]

Pure guess here, but the first pic shows two blue drain offs, one will be the fresh water tank, the other could be either the Toilet cistern or boiler, check by emptying the fresh water one first, then check if the boiler has water left in it or the toilet has a cistern still full. Some UK vans have toilet cisterns like caravans and are filled separately from the main fresh water tank and are filled separately, this sometimes enables you to add the pink stuff to keep the bowl clean & smelling nicer
The second Pic will be the Grey waste as its a larger bore pipe to let the waste water drain faster, taking a lot of fat/soap (if Any) residues with it.
LES

 

[rb62]

As Andy says the blue one labelled ‘travel drain’ drains the fresh water tank down to a specified level for travelling.The other blue one will drain the fresh water completely.The grey is for the grey waste.

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[Landy Andy]

What rb62 said.

Fresh water part drain (loose weight for travelling)
fresh water complete drain
Grey water drain.