XA WASHLET bidet seat with a tank-style h2o heater has an interior reservoir of saved h2o preserved within the consumer’s sought after temperature. In distinction, a WASHLET with the instantaneous h2o heater heats the h2o stream on-desire, enabling fast temperature changes. We welcome your suggestions in regards to the TOTO http://forum.ressourcerie.fr/index.php?qa=user&qa_1=peaktitle97