This is the Danfoss Service thermostat 077B6819 [W5-30240] •: Type:077B6819•: Connection:4.8 mm•: Cap.tube length: 1500 mm•: Cold out:-18.5º:C•: Cold in:+4.5º:C•: Warm out:-5.5º:C•: Warm in: +4.5º:CSuitable for: HELKAMA 0610200 ...Contact us if you need more help.