There has to be a constant water circulation in the external heater while heating it. If the heater has been installed in a way that this kind of circ..
The Elecro Nano SPA 3kW electric heating set is a reliable set with a titanium heater. The set includes a 3kW Elecro Nano SPA heater, a 250W circulati..
The Elecro Nano SPA 3kW plus electric heating set is a reliable set with a titanium heater and this set includes a special electrical panel for hot tu..