Category Archives: Campervan plumbing and bathroom

Our campervan bathroom

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With a new deadline of Christmas, we’ve spent the last few weekends adding the final touches to the campervan.

The bathroom is now finished:Campervan bathroom

Campervan bathroom

The glass mosaic tiles were left over from our own bathroom so we thought we’d continue the red theme through from the living area.

We have boxed in the wheel arch behind the toilet, which also provides a handy shelf or magazine rack:

The doors separating the bathroom from the kitchen are made from the same gloss panels Paul’s used for all the woodwork (sold as pantry doors in Bunnings – if the link is saying ‘sold out’, err.. we have bought quite a few.)

He added new hinges, handles and a lock at the top of each door, so they can be secured in both the open and closed positions.

Campervan bathroom

So the interior is very nearly complete.

In other news, the curtains are finished – hurrah! My new nemesis is the tiebacks; they are being decidedly tricky.

Plumbed in and ready to go

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After the overindulgence last week of filling both sinks to the brim to test the campervan’s plumbing system, came the inevitable morning-after headache when we tried to empty them. The main problem has been finding fittings to connect the various flexible pipes to their respective tanks. But, with a bit of wrestling and a lot of silicon, everything seems to be secure and the cabinets have stayed dry! The only unexpected outcome is when we empty out the bathroom sink, the kitchen sink fills up:

Apparently it’s because our driveway slopes downwards, although I may keep it up my sleeve as a last-ditch party trick if we ever end up at a particularly sociable campsite.

This is the waste water tank, secured into place with some luggage straps.

The main grey hose leads into the tank from the two sinks, and we can empty it out via the blue tap at the bottom, which leads to an outlet with a normal hose connection:

We fill the cold fresh water tank up from the inlet pipe:

The pipe was a bit too wide to fit through the standard inlet connection, so Paul heated the end in boiling water until it was soft and pliable enough to fit. When the pipe cooled, it expanded back to its previous size and filled the hole nicely.

From there, it runs around the back of the waste water tank and into the fresh water tank:

The vertical pipe is a ventilation hose, which exits just to the left of the inlet hole (see above), and the metal bracket at the front holds the tank in place.

The real test for the whole plumbing system will come when we’re bumping along one of Queensland’s finest outback roads with a full water tank; it may be prudent to fill our limited storage space with more emergency mops than emergency cardigans for our first few trips.

Campervan plumbing – we have running water!

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A splutter, trickle and finally a whoosh…and (with only one small-ish flood) we had two sinks full of water!

To install the plumbing system we used:

  • A 30 litre cold water tank
  • A Flojet Triplex Diaphragm water pump
  • A Truma 14 litre electric boiler
  • Various John Guest pipes and fittings.

We ordered everything from Caravans Plus, and were incredibly lucky that having built the cabinets in advance without any tank measurements, everything just fit with millimetres to spare. We were also pleased to come across the electric water heater, which had only just come on the market.

Most water heaters seem to run off gas, but with our gas tank on one side of the van and both sinks on the other side, it was going to be hard to lead the gas pipes across. We also didn’t want to use gas any more than necessary. The electric heater connects into the 240v system, heats the water to 70 degrees and then loses around one degree per hour. So we can be unplugged for 24 hours and still have relatively warm water.

The system was installed in two stages, with the plumbing and electrics. Here’s an overview:

Plumbing

The cold water tank is on the right, and Paul added a water level gauge, which is wired into the indicator by the door:

The photo below shows the plumbing system in more detail:

So following the circuit above:

  • A12mm pipe runs from the cold water tank to an isolation valve (blue & white tap on the right) to isolate the cold water.
  • The pipe continues into the water pump, which pumps the cold water out through the pipe on the left. The water runs through a pressure-reducing valve (see blue valve), and down to a t-junction.
  • At that point, the blue pipe runs up to service the cold taps in the kitchen and bathroom
  • The bottom pipe continues underneath the pump, through a non-return valve and to a safety drain valve (see yellow valve). This is a safety mechanism leading to a hole Paul drilled in the bottom of the van, which can be used to drain the hot water tank quickly.
  • The blue cold water pipe then runs up out of the safety drain valve into the hot water tank, which we had to raise onto its own shelf to separate it from the pump.
  • From the hot water tank, the clear pipe running down the middle is a ventilation pipe that prevents air bubbles getting trapped in the tank, and runs out through the same hole in the bottom of the van.
  • Hot water flows out of the red pipe and up to a t-junction to supply the hot taps in the kitchen and bathroom.

Electrics

The water pump connects to the 12v battery via a 15 amp fuse – the cable runs behind the fridge through the conduit in the doorway and round to the battery.

The electric heater has its own power point, which is wired into the fridge’s power point to link into the 240v system – this saves running two cables around to the 240v input socket on the other side.

So the result:

I’ll cover the input pipe and drainage in the next blog. So if, by any chance, you’re attempting your own plumbing and following these steps, don’t turn your taps on just yet!

Thetford cassette toilet C200, swivel, flush tank, rear entry

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This is the (slightly disconcerting) description of our campervan toilet.  I have been assured, though, that the rear is actually the best place for an entry point, and just refers to how you access the waste tank. Phew. And the swivel aspect means we can position the toilet with the rear facing towards the back door (for optimum cassette removal), but swivel the seat round so we don’t have to sit facing the wall.

As the photos below probably do a better job of explaining.

The toilet is freestanding at the moment, but will be secured to the wall that separates the bathroom from the kitchen.

And we have got the crème de la crème of campervan basins! It is twice the size of the basins in our house, and plenty big enough to have a personal wash twice a day. (Sorry, these Gavin & Stacey references just keep rolling off my tongue – anyone would think I was obsessed.)

Paul bought the bathroom cabinet and basin from Bunnings, and just had to saw 10cm off the bottom of the cupboard, and cut around the wheel arch and a couple of other protruding objects. I say ‘just’ – this was in 35 degree heat yesterday. The cabinet still needs to be bolted onto the floor, but we need to fit the waste-water tank underneath the basin first.

The next job is to fit the dividing walls, so we can start fixing things into place. Having tried out almost every conceivable colour for the walls, I think they’re going to be white.