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Old 03-24-2013, 04:48 PM   #1
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National RV Owners Club
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Changing out MH Toilet

Was wondering if anyone has changed out the toilet in their National Sea Breeze MH and replaced it with a Dometic High Profile 310 Series Gravity Discharge Toilet ?
Was it an easy change over or did you need to do any modification.Getting tired of the low toilet.



Rich & Jen (co-pilot 55 yrs 6/6/59)
04 Sea Breeze/04 Malibu
1 spoiled cat
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Old 03-24-2013, 05:16 PM   #2
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Fleetwood Owners Club
Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 14,363
Is that an elongated toilet? Elongated is a must for me.

Some of the manufacturers have replacement tables of other brands on their website, making it easier to know if you have a drop in replacement or not. Else go to the manufacturer's site and compare all measurement.

Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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Old 03-24-2013, 05:45 PM   #3
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Join Date: May 2000
Location: Monroe WA USA
Posts: 88
I'm in the process of replacing a Thetford Bravura 14" with a Dometic 310 19" in my motorhome for the same reasons - bad knees. The old unit is out and I'm cleaning under what was the base of the original. Based on previous measurements it should clear the back wall with no problem. The toilet flange is the same so the only other thing to take care of is the water supply - the tubing will have to be extended and a second 90 elbow installed. Access to the back of the toilet is tight but having done this kind of swap in the past it's doable.

It will be a few days before I install it as I also removed the sliding glass shower door assembly and am waiting for the gel coat patch kit to get here so I can cover the screw holes left behind.

Any body need a perfectly good shower door assembly?
Tony & Margaret Howard
2001 Surf Side 3311 DSO
Monroe WA
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