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Thread: Kohler Tresham K-3950 toilet, Reviews, Pictures and Comments

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    Forum Admin, Expert Plumber Terry's Avatar
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    Default Kohler Tresham K-3950 toilet, Reviews, Pictures and Comments

    Kohler has a new, "traditional look" toilet with WaterSense labeling.
    The Tresham K-3950 with 1.28 GPF, with comfort height and elongated bowl.
    I installed one in a 1920's Seattle home to see how it works and looks. The homeowners (Sue's sister) will be reporting back on how it's working for them.

    http://terrylove.biz/home/48-kohler-...et-k-3950.html



    Kohler Tresham K-3950



    Front end view



    Looking inside the tank of the Tresham.



    The trapway of the Tresham
    Last edited by Terry; 01-08-2014 at 05:30 PM.

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    A few more pictures of the Kohler Tresham toilet



    Looking at the underside of the Tresham bowl.



    The bottom outlet of the Tresham flush valve.



    Top of the bowl



    With water in the bowl.

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    Retired Machine Repairman wptski's Avatar
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    Hmmm, not a 3" flush valve. Though anything new would have one.
    Bill
    Retired Machine Repairman
    Just a DIY'r

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    DIY Senior Member wjcandee's Avatar
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    Well, Terry, it looks very nice and very solid.

    Just like my unuseable Portrait with the unconscionable Ingenium Flush did.

    So...pray tell...how does it flush with its 2" canister and its non-dual-siphon trapway?

    My own feeling is that Kohler makes some very beautiful china, but I have yet to encounter one that works as well as my Drake. And there is beauty in performance.

    (EDIT: Don't mean to sound crabby; actually, I am curious what you think of the flush. Just anytime someone uses "Kohler" and "Toilet" together in a sentence, it's like tossing raw meat in front of a starving wolf. I will never shake off that Portrait experience, and I frankly resent Kohler for making a corporate decision to sell that thing when all they had to do was use it to know that it was total garbage. Shame on them. Accordingly, I will never install a Kohler toilet again, even if they gave me one for free. Because they don't deserve my business, especially when there are vendors who never wreaked that kind of havoc on unsuspecting consumers.)

    I also think that the Traditional Look Soiree is much more aesthetically-pleasing.
    Last edited by wjcandee; 12-24-2012 at 06:08 PM.

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    The style of the toilet is interesting. I guess it's supposed to look "old" but it looks like someones modern take on an older style. (not really old at all), but that's beside the point. I wanna know how it flushes! Looking at the bowl design and shape of the trapway it couldn't be as bad as the "Ingenium" system used to be, that had a far more constricted trapway and tighter turns. This trapway shape looks good except for the tight turn at the exit on the bottom. and I wonder why they couldn't do a 3" flush valve?

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    Retired Defense Industry Engineer jadnashua's Avatar
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    Stuff doesn't like instantaneous changes in direction - it slows things down, and they can get caught. A 3" flush valve can release more water, faster than a 2" (obvious), but it is the overall design of the pathway(s) it follows that ultimately determines how well it flushes. Well, execution of the design makes a big difference, too. Toto is somewhat unique in the industry in that it uses a much drier clay mixture when forming a toilet. This creates greater consistency in sample to sample, and reduces slump, twist, and other distortions as it dries. A good design where the pathways have distorted doesn't work well. Why Kohler thinks things will turn a sharp 90 well, I don't know. Maybe they went to a different school than I.
    Jim DeBruycker
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    Brand New Plumber GoKohlerGo's Avatar
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    Quote Originally Posted by wjcandee View Post
    Well, Terry, it looks very nice and very solid.

    Just like my unuseable Portrait with the unconscionable Ingenium Flush did.

    So...pray tell...how does it flush with its 2" canister and its non-dual-siphon trapway?

    My own feeling is that Kohler makes some very beautiful china, but I have yet to encounter one that works as well as my Drake. And there is beauty in performance.

    (EDIT: Don't mean to sound crabby; actually, I am curious what you think of the flush. Just anytime someone uses "Kohler" and "Toilet" together in a sentence, it's like tossing raw meat in front of a starving wolf. I will never shake off that Portrait experience, and I frankly resent Kohler for making a corporate decision to sell that thing when all they had to do was use it to know that it was total garbage. Shame on them. Accordingly, I will never install a Kohler toilet again, even if they gave me one for free. Because they don't deserve my business, especially when there are vendors who never wreaked that kind of havoc on unsuspecting consumers.)

    I also think that the Traditional Look Soiree is much more aesthetically-pleasing.
    They actually do have 3" flush valves. 3 1/2", to be exact. And I actually hate Toto, Kohlers are better. Sorry this is such a late reply, but Kohler has better bowl wash sometimes. The Drake doesn't swirl at all, neither does the Class 5 but the Class 6 is much better. I guarantee my Kohler would do better in a bowl wash test than the Drake. Again, it is a Class 6 so the bowl wash is much better.

    Last edited by Terry; 02-07-2013 at 04:22 PM. Reason: added picture

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    Retired Defense Industry Engineer jadnashua's Avatar
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    My issue with Kohler is parts availability...and, while some people never have problems with their toilets, if you simply look at the trapway design, you'll see that on many of them, the outlet makes a sharp 90-degree turn at the flange and the Toto designs make a much more gradual turning there. Depending on the size, shape, and hardness of the waste, things just go down the Toto toilet's trapway faster and with fewer problems. Some never have a problem, others have problems on a regular basis with the Kohler design. Things do not make 90-degree turns and maintain decent velocity unless done properly.

    I do not ever remember Terry saying Kohler had anywhere near that level of defects. I do remember him saying that Toto has the lowest of the MANY brands he sells. The 20% figure I remember was about his breakage factor and the reason why he no longer ships toilets, and limits his delivery area.

    My last experience with Kohler was on a special order. Each time the supplier called Kohler, they said it would be shipped tomorrow. This went on for MONTHS. IN a week or so when it didn't show up, they called again, and got the same story...it will be shipped tomorrow. Then, they sent the wrong thing. THen, once I got it, I was not particularly impressed...parts fit, paint, fit and finish. At that point, I didn't want to send it back and suffer the same, horrible customer service I got again. Since then (this is a shower door), the paint chips, the bearings are crappy and make noises, and even with the several holes, the system did not have a proper position to adjust the height in the track well. The holes in the glass were all rough. If you know anything about glass, you want a nice clean hole. It hasn't spontaneously shattered, but it should never have made it out of the factory, in my view. So much for quality control.

    I do like some of the designs, but from an installer's viewpoint, some of their stuff is HORRIBLE, and almost unreasonable. For example, they have some shower body sprays whose rough-in must be less than 1/16" accuracy to fit properly in the tile. Do you know how hard that is to do when trying to get multiple trades to communicate? This is the only company I know of that deems it reasonable to set such strict requirements. They design in a vacuum, and not for practical use. Then, if you search this forum, you'll find stories of Kohler bending over backward to help people, then you'll find others where they say, sorry, you'll just have to replace the thing...we won't help you. So much for a decent, stable design and continued availability of replacement parts. Few places carry Kohler replacement parts since their design changes so often, the inventory would be HUGE, with no expectation of ever recovering the investment. So, do you want to wait a week or more when you need a part? If you do, buy Kohler. My personal opinion and experience.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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