... use* Different Thermostat for your selection ITEM FINS MAXIMUM POWER I / II / III HEATING ELEMENT AREA (M2)AVALIABLETHERMOSTATHLAA-4A4250W/350W/600WAluminium8M ... /1200WAluminium16M, A, B, G, IHLAA-10A10500W/1000W/1500WAluminium20M, A, B, G, IHLAA-12A12 600W/1200W/1800W Aluminium24M, A, B, G, I HLAA series Electrical ...