XA WASHLET bidet seat with a tank-variety h2o heater has an interior reservoir of saved h2o maintained with the user On the flip side, an elongated WASHLET bidet seat is meant to suit an elongated toilet, an oval that actions eighteen.5 inches from the mounting holes to the entrance from http://www.cruzenews.com/wp-content/plugins/zingiri-forum/mybb/member.php?action=profile&uid=1989383