Electrical Thetford Toilet Ventilator Installation

Bellbirdweb

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Jan 24, 2014
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I purchased a Thetford electric ventilator to suit the C260 toilet fitted to our 2014 21.64-1 on ebay and fitted it up tonight.

The kit came with everything required, including 2 new circuit boards, fan module, replacement sticker, seals and charcoal filter element.
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The first step was to remove the cassette, and then remove the over plate behind the cassette to reveal the circuit board in there.

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The old circuit board is removed, and replaced with the new one form the kit.

Next was to unscrew the 4 screws holding the toilet to the floor, and then disconnect the flush water pipe and wiring to allow the toilet to be removed.

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The the toilet is turned upside down, and the 2 cutouts for fitting the fan and wiring are removed

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Once the hole was cut, the unit is placed back into position on the floor, and the hole marked for cutting. The and 85mm hole was cut through the floor, and the adaptor tube installed.

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The the fan was fitted into the base of the toilet, wiring run through and held in place with a foam seal

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The flush button sticker was removed, and the old circuit board removed and replaced with the new one. Original cables reconnected as well as the new one coming from the fan, and new sticker applied.

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Wiring then tidied, and reconnected, flush hose reconnected, and toilet screwed back down to floor.

Charcoal cartridge installed, and cassette replaced.
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New light on the control panel comes on when fan operates. It turns on automatically when toilet is flushed, and runs for a set time period after. Alternately you can press the fan button to turn it on or off manually.

You can also connect a hose underneath to take the air from the vent somewhere if you like. I'll probably just leave it exhausting straight down
 

Bellbirdweb

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Jan 24, 2014
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@Bellbirdweb Any reason you went for the Thetford version instead of the SOG?? I think I'm going to have to do something when the new van gets here and haven't decided which type to put in yet.
The Thetford kit looked easy to install and was designed to be full integrated.

The SOG units all looked very 'add on' and the cost was around the same.

I was really looking to remove the chemical smell from the van as I hate it with a passion.

I could tell straight after installing it that it was working by the lack of chemical smell in the bathroom
 
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Drover

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Well done a good report @Bellbirdweb , got me interested indeed, why the charcoal filter though ???? So you don't kill neighbours maybe ?
 
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Bellbirdweb

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Well done a good report @Bellbirdweb , got me interested indeed, why the charcoal filter though ???? So you don't kill neighbours maybe ?
Yeah it's to stop the odours going outside as well.

It says the cartridge lasts 1 season. Depending on replacement cost, I may not run the filter in the long term
 
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Drover

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So does it suck the air from the can via the overflow vent ????/ or have a pipe plumbed into the tank like some others I have seen ?????.............has me worried if the seal leaks and one has a minor flood down there, it can be really messy when that happens without that stuff sitting underneath.........
 

Bellbirdweb

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Jan 24, 2014
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So does it suck the air from the can via the overflow vent ????/ or have a pipe plumbed into the tank like some others I have seen ?????.............has me worried if the seal leaks and one has a minor flood down there, it can be really messy when that happens without that stuff sitting underneath.........
The cassette has an automatic vent that opens when you push it into the toilet. This mod then takes that out the bottom now instead of just into the cassette holder.
 
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Bellbirdweb

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Good write up @Bellbirdweb, be interesting to see how it performs.
So spent Easter using the toilet with the new fan installed.

It works fantastically well. Zero odours from toilet chemical or contents

Added bonus was a led tank level display that came with the new circuit board instead of the old one with the full light only.

Well worth the cost and effort.
 

ChrisFatboySydney

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Feb 29, 2016
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So spent Easter using the toilet with the new fan installed.

It works fantastically well. Zero odours from toilet chemical or contents

Added bonus was a led tank level display that came with the new circuit board instead of the old one with the full light only.

Well worth the cost and effort.

Terrific. Will put it on my list of mods once they fix my toilet so the full light actually works.