MULTICAL® 303 has been subjected to comprehensive type tests to secure a long-term, accurate, and reliable heat meter for residential use.

• Heat meter approval (MID, EN1434) DK-0200-MI004-045
• Cooling meter approval (BEK-1178, EN1434) TS 27.02 015
• Protection class IP65 (calculator) and IP68 (flow sensor and temperature sensor)
• Meter and accessories are PN16 and PN25 approved