I was at a Building Materials place here to buy a toilet and the
salesman said all toilets have a 2 and 1/4 inch trap. When Sears had a
catalog they listed toilets with 2 and 1/5 and also toilets 2 and 3/4
Does anybody here know of a plumbing place online that sells toilets and
lists the trap size of their toilets? If so please post the URL or link
or E-mail me.
Nope. Maybe the toilets he carried did but the oversize trap is becoming more
common as it helps mitigate the 1.6 gpf problem, along with resizing and
spacing of the water outlets under the rim.
Also, make sure the trap is fully glazed. Some cheaper models aren't.
Easier way to go about it is to choose your make/model (Kohler, American
Standard, Toto, etc) and hit the manufacturer's website for specs. As a bonus,
most of the majors also include a downloadable rough-in diagram so you can tell
if the unit fits your space.
Many years ago I had a summer job working for a plumber who sometimes
did installs for Sears. All too often there was a problem since they
seemed to have a lot of items toilets, kitchen and bath faucets, etc.
that had non-standard dimensions or center to center spacing.
I never buy from Sears.
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