What’s the difference between 3T and 4T Instant Shower Water Heaters?


Instant shower heaters come in various models, each to suit the needs of different customers. The 3 most common models include: 3T (Three temperature model). 4T (Four temperature model). Multi-temperature model. In this article, we’re going to break down some of the differences between the two most ubiquitous models, that is, the 3T and 4T […]