Made of durable and corrosion resistant thermoplastic fiberglass. Horizontal installation does not leave air in the heater and does not damage the heater. Insulation can be selected with titanium additives, which increase corrosion resistance. The heater is equipped with a flow sensor and an overheating protection that protects the heater when the heating element dries out. Supplied mounts provide fast and flexible installation. The heater is connected to PVC pipes with a diameter of 50 mm. Minimum flow rate 90 l / min (5.4 m3 / h).