I have a loose American Standard elongated vent away toilet seat. I am at a loss as to how to tighten the seat down. Most, ( if not all) seats have a cover over the bolt/screw that pops up providing access to same. Does anyone know how to get accesss to the bolt/screw on this type ?

If not from waaaaaay underneath then you access the hardware from under the toilet lid, (inside of the tank).

e-plumber
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"The society which scorns excellence in Plumbing as a humble activity and tolerates shoddiness in philosophy because it is an
exalted activity will have neither good Plumbing nor good philosophy: neither its pipes nor its theories will hold water." -
John William Gardner 10/8/1912 - 2/16/2002

Repair your leaking Plumbing fixtures ASAP [www.theplumber.com]
This slow drip will waste 7+ gallons of water per day.

The only one piece toilet I know of with Vent-Away was the Roma Series
(2009.017) which used the 3530..857.XXX seat with cover. The seat had covers over each fastener. Lift the snap cover and use flat screwdriver on top with deep socket for underneath to tighten.

Best Wishes

You have to tighten the nut on the bottom of the bowl. If a one pipe toilet the nuts are inside the tank and very hard to access with most wrenches.

There were also two piece toilets with the Ven-a-Way, but the Roma/Luxor seats I am familiar with have a molded hinge which includes the bolt. Tightening is from below.

american standerd -roma vent away toilet seat.
does it look inything like this?
undo the bolts from underneath the back rim of the bowl. you might have to use a deep well socket.

3/8" drive with a deep well 9/16th socket stick your arm into the tank toward where you can feel the bolt.Got to love one piece toilets!

BTW, that is one very expensive toilet seat, and that's for a white one. Some of the other colors are made of unobtainium.

Almost everything about the Vent-Away toilet is expensive except for the typical rubber
flush valve seat disc. It must be one of the most over-engineered toilets ever made.

But I do like the challenge when repairing one

e-plumber
-----------------------------------------------------------------------------------------------------------------------------------

"The society which scorns excellence in Plumbing as a humble activity and tolerates shoddiness in philosophy because it is an
exalted activity will have neither good Plumbing nor good philosophy: neither its pipes nor its theories will hold water." -
John William Gardner 10/8/1912 - 2/16/2002

Repair your leaking Plumbing fixtures ASAP [www.theplumber.com]
This slow drip will waste 7+ gallons of water per day.