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Author Topic: Replacing Thetford Aqua Magic with Dometic - but which one?  (Read 141 times)

Graycat

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Replacing Thetford Aqua Magic with Dometic - but which one?
« on: December 17, 2017, 12:05:15 PM »
We've caught the Thetford several times right before it overflowed because the lever doesn't come back into place completely.  I've read of numerous problems, even after replacing the spring and lever, so we're just going to replace the toilet.  Camping World currently has a Dometic high profile 320 series gravity discharge toilet for $216.79.  Does anyone have that toilet?

Any problems changing from a Thetford to a Dometic?
Marti, Lee, and an old gray cat named Buddy

Lou Schneider

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Re: Replacing Thetford Aqua Magic with Dometic - but which one?
« Reply #1 on: December 17, 2017, 12:10:05 PM »
It should just bolt in, as both toilets use the same floor flange as a home toilet.  Make sure you have enough physical clearance around the flange for the new toilet's dimensions and compare the location of the water inlet - you may have to modify the water line going to the toilet if it won't reach the new toilet's inlet.
« Last Edit: December 17, 2017, 12:15:50 PM by Lou Schneider »

Alfa38User

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Re: Replacing Thetford Aqua Magic with Dometic - but which one?
« Reply #2 on: December 17, 2017, 01:12:23 PM »
Quote
It should just bolt in, as both toilets use the same floor flange as a home toilet.

Hmmmm. That might depend on the manner the floor flange is held in place. Mine was part and parcel  of the uppermost 3" pipe fed from the toilet drain pipe. When I changed my Thetford for a Dometic 310 the bolt pattern went from 2 bolts at roughly 5 o'clock and 9 o'clock required for the old Thetford to 2 bolts at 3 o'clock and 9 o'clock. As a result, I had to 'modify' the plastic flange to accommodate the new toilet bolts as it was glued into place and could not be re-oriented.
« Last Edit: December 17, 2017, 01:18:04 PM by Alfa38User »
Stu
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Graycat

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Re: Replacing Thetford Aqua Magic with Dometic - but which one?
« Reply #3 on: December 17, 2017, 06:00:27 PM »
We ran over to Camping World and got one.  I don't have the number here with me, but it wasn't any problem to install.  Hubs had it done in less than 30 minutes.
Marti, Lee, and an old gray cat named Buddy

grashley

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Re: Replacing Thetford Aqua Magic with Dometic - but which one?
« Reply #4 on: December 17, 2017, 08:11:25 PM »
Great to hear!  Let us know how you like it as I am very interested in a similar change.  My current toilet is short with oval seat.  I want tall, elongated!
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