EAN: 4057749719942 - manufacturer-number: TR3500TO5T - Small storage water heater 5l Energy efficiency class A, Energy efficiency class spectrum A+ to F, Tank volume 5l, Width 270mm, Depth 240mm, Nominal inner diameter, cold tap water 3/8 inch (10), Degree of protection (IP) IP24Attention! Application notice:This item is a pressureless device (maximum permissible operating pressure = 0 bar). It must only be used with pressureless fittings (low-pressure fittings).Please note the difference between high-pressure and low-pressure fittings. The high-pressure fitting mixes the water inside the fitting. The low-pressure fitting is connected to a water tank (boiler) and has 3 connections. When heated in the tank, the water expands, which can cause the fitting to drip. - TR3500TO 5 T