The tankless hot water solution for marine vessels. Hubbell MHX/MTX is our shipboard low-capacity tankless electric water heater. ABS Type approval is available, so you don’t have to worry about costly delays and uncertainties during ship inspection. On a tight ship, MHX/MTX is wall mounted to minimize its footprint and maximize your space. The on-demand design reduces stand-by heat loss and operating costs. Simple to specify, easy to operate. Constructed with high-grade materials for longevity. ASME code version here.