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jeffwhite's avatar
jeffwhite
Explorer
Nov 16, 2015

Upgrading to a dif Toilet, Flange is stuck???

1. Have a 97 Rexhall Vision 29 and I'm replacing the Thetford stock toilet with a Dometic REv 310 toilet. Got the old one off and I need to spin the toilet flange because the new on lines up typically like a
household toilet with the mounting bolts at 3 and 9(clock) respectively (side to side)as opposed the the 11 and 5 lineup like the Thetford older toilets. I pull all the screws out and can't get the flange up. It is "one" with that "downpipe"(??) that goes into the black tank. I can see that it looks to have been glued (one of the pics shows this). Still would think the whole assembly would lift out. I get some movement in prying it, but don't want to force it. There are no surface screw mounted, all are out. It doesn't seem to be attached to the black tank as when I move it, the tank stays perfectly still. Any thoughts? If it isn't coming out, I could drill holes, turning them into slots for the bolts in the new position I guess. Wouldn't be able to undercut them though to keep them from spinning.



2. It also seems that the newer (higher) toilet will not be very stable as the base does not have the same size footprint as the Thetford. Has anyone ever upgraded their Thetford to a more "pedastle" styled toilet? (on rug)
3. Also, am having issues with the traditional style water lines shown in the pics as they leak. I think I "knicked" the male barb that the pipe goes over when cutting off the old pipe, now that I think about it and try to figure out why it's not sealing. Does anyone have a better assembly for this situation? I would like to have something more flexible too.


4. Refering to the pic showing the water valve on the old Thetford, does this come off?

It looks to, but it won't budge and I'm worried about breaking it. The new toilet has a large threaded area for the water inlet that isn't at all like the Thetford, unless, that old part comes off and threads onto the new one?????
  • Jeff I like the lags better myself but some times whoever cut out the plywood for the toilet flange cuts a little to big and the lags have not enough material to get a good bite. Or the plywood is rotted from a leak over the years. From your pictures it looks like your plywood is dry and tight around the flange. Personally I would not be pulling or twisting that flange around.
    That picture I posted of the repair flange yes it would just slide under the flange then screw the flange down. I don't know why they show that nut on the johni bolt in the pic that would be the nut ontop of the toilet with a washer.
  • OP has not said what toilet he will be installing. As I posted there is direct replacements without playing with the flange at all.
  • enblethen wrote:
    OP has not said what toilet he will be installing. As I posted there is direct replacements without playing with the flange at all.


    Copied from the OPs first post.

    Posted: 11/15/15 08:58pm Link | Quote | Print | Notify Moderator
    1. Have a 97 Rexhall Vision 29 and I'm replacing the Thetford stock toilet with a Dometic REv 310 toilet. Got the old one off and I need to spin the toilet flange because the new on lines up typically like a
    household toilet with the mounting bolts at 3 and 9(clock) respectively (side to side)as opposed the the 11 and 5 lineup like the Thetford older toilets. I pull all the screws out and can't get the flange up. It is "one" with that "downpipe"(??) that goes into the black tank. I can see that it looks to have been glued (one of the pics shows this). Still would think the whole assembly would lift out. I get some movement in prying it, but don't want to force it. There are no surface screw mounted, all are out. It doesn't seem to be attached to the black tank as when I move it, the tank stays perfectly still. Any thoughts? If it isn't coming out, I could drill holes, turning them into slots for the bolts in the new position I guess. Wouldn't be able to undercut them though to keep them from spinning.
  • Mike I sure miss read that.
    The 310 has the bolts across the flange. Some Thetford are at 10-5 roughly. Some are as in the 310.
  • enblethen wrote:
    Mike I sure miss read that.
    The 310 has the bolts across the flange. Some Thetford are at 10-5 roughly. Some are as in the 310.


    I hear ya been their done that.
    Look familiar?

  • Large one of mine. You must have the green interior!
    Sure have like and use ours. About 164,000 miles.
    Coming your way next spring.
    Your signature photo is upside down!
  • Well, haven't had a chance to get back to it. Will stop by Home Depot and get some plumbing parts for the feed line, then some of those studs for mounting. Probably next weekend. jeff
  • Well, just finished it. Drilled the hole through the flange and sunk the screws that are wood threaded on one end, and machine threaded on the other, into the plywood below exposing the threaded portion for the toilet. Used the Shark fittings for the supply, Wow, those things are great!!!!!
  • jeffwhite wrote:
    Well, just finished it. Drilled the hole through the flange and sunk the screws that are wood threaded on one end, and machine threaded on the other, into the plywood below exposing the threaded portion for the toilet. Used the Shark fittings for the supply, Wow, those things are great!!!!!


    Shark fittings although pricy are one of plumbings greatest inventions