ECOSMART SMART POOL 18. 18kw Inline Electric Pool Heater. Stainless steel elements with 3/16 inch brass heads. Stainless steel water tank – no expansion. No relays or contactors. Flow sensor activation with microprocessing technology. 2 inch inlet and outlet water connection – easy installation. 99.8% energy efficient. 1 to 1.5 deg F Temperature Rise/Hour. 104 deg F Maximum Temperature Setting.
