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Lynette Henwood Posted on Feb 05, 2018

The flush pump on my thetford cassette toilet is not working

1 Answer

Alec Oren Orris

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  • Contributor 43 Answers
  • Posted on Feb 07, 2018
Alec Oren Orris
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Joined: Feb 16, 2013
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Thetford makes toilets with hand pumps , and electrical pumps . Permanent , and portable toilets . Without more info , it is hard to guess . With my portable electric model , batteries had to be replaced .
If you need parts , go to ;
http://www.thetford.com/products/toilets/cassette-toilets/
Click Parts at the top , and go from there .

5 Related Answers

John Long Shipton

  • 63 Answers
  • Posted on Jun 11, 2009

SOURCE: Flushing knob on a C2 Theford cassette porta potti hard to turn

Hi! Spray blade which closes holding tank with silicone spray. Make sure spray goes under lip of sealing ring. Also spray around holding tank actuator knob allowing to penetrate underneath to shaft. Don't use a silicone grease as this will gum up the works. If you can't get hold of a light silicone spray try using household type silicone polish intended for furniture. Wipe off any surplus as only thin film required.

John Long

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John Long Shipton

  • 63 Answers
  • Posted on Jun 13, 2009

SOURCE: casset toilet will not pump water for flush

Open door, remove toilet cassette unit, look in under flush water tank, observe a short metal blade that actuates a safety switch. This is between two plastic guides. Now look just outside the right hand guide. There you will find the fuse which is a standard blade type. Just pull it down to remove from holder. You will probably find it rated at 3 amp. If it is blown you will probably have to replace pump. Looks difficult but is actually dead easy. Instructions come with replacement Thetford pump. Only problem you may have is a perished sealing ring on the paper holder cup which is no longer available as a spare. Just use a good quality outdoor type sealant as a replacement. Be sure to recover any bits of broken ring from the flush water tank as these can be drawn into your replacement pump and cause it to sieze. At minimum this will cause you to say bother! Happy repairing.

John Long Shipton

  • 63 Answers
  • Posted on Nov 06, 2009

SOURCE: Hi, have a built in thetford toilet in my caravan.

Don't send money. Just go to thetford.com and download info.
Some tips - if seal is old and breaking up make sure you recover all the bits which have fallen into the flush water tank. If new o-ring seal not available use outdoor silicone sealant and allow to set for 48 hours before adding anything other than a small amount of water to test flush action. Electric circuit includes a fuse and microswitch which are both contained within the flush water tank but you are unlikely to have problems with these items.

Anonymous

  • 10865 Answers
  • Posted on Mar 23, 2010

SOURCE: the flush pump has a leak, can this part be

hello. yes. Go to this link to order

http://thetford.com/?TabId=345

Joe

Anonymous

  • 7 Answers
  • Posted on Mar 25, 2010

SOURCE: I have a thetford toilet in my caravan and cant

Here is a link for the Manual for your model http://www.thetford.com/HOME/PARTS/PortableToilets/PortaPotti365PDFs/tabid/669/Default.aspx

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Related Questions:

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1answer

Thetford Cassette Toilet System. Model C2. R/H A/MKT D3. How do you operate flushing Cistern. Is it 1. Electrical or Hand pump? Many Thanks.

Go to ;
www.thetford.com/products/toilets/ ,
Then click on " Support " .
It is great when these companies help their customers AFTER the sale !!!
AND , this company still makes most of their products that are for sale in the USA , IN the USA !!!
Good luck !
Alec .
Jan 31, 2018 • Home
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Where is fuse for thetford toilet cassette

This is quite difficult and fiddly. The fuse unit is situated above where the cassette gets inserted. Remove the cassette and at the top front left hand side you will see the wiring in the cavity. This will give you access to the fuse unit and reed switch. I am assuming the toilet won't flush. If this is the problem then the answer is above. If the problem is the light will not illuminate when full then it is the reed switch that needs replacing or by passing. Hope this helps.
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Walmart sell aglaecide for swimming pools and hot tubs. I'd use that first. After algae has died, scrub inside of tank lightly and flush a couple of times.
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With a job that big, unless I am a qualified plumber, I would let a shop do it.
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Where is the water pump on a Thetford C 402 C/X located and how do I get to it.......thankyou.....Mal Hughes Western Australia

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I have a 1998 Coachman Pop-up with a thetford C4 cassette toilet I think that is the model when you put the holding tank in there is just an open hhole and I think there is a part missing or not working ....

Sounds like the close flapper is stuck or missing. Does the flush lever seem to be working smoothly. If it is, the closing disc may have been broken. Close inspection may reveal the problem.
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Casset toilet will not pump water for flush

Open door, remove toilet cassette unit, look in under flush water tank, observe a short metal blade that actuates a safety switch. This is between two plastic guides. Now look just outside the right hand guide. There you will find the fuse which is a standard blade type. Just pull it down to remove from holder. You will probably find it rated at 3 amp. If it is blown you will probably have to replace pump. Looks difficult but is actually dead easy. Instructions come with replacement Thetford pump. Only problem you may have is a perished sealing ring on the paper holder cup which is no longer available as a spare. Just use a good quality outdoor type sealant as a replacement. Be sure to recover any bits of broken ring from the flush water tank as these can be drawn into your replacement pump and cause it to sieze. At minimum this will cause you to say bother! Happy repairing.
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Good news , you can go to ;
www.thetford.com/products/toilets/
Click on " Support " , and you should get the help you need .
Good luck !
Alec .
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