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The Aquastate L4188/L6188 and L4191/L6191 are fast-acting immersion temperature controllers and are mainly used as temperature controllers, monitors and limiters for hot water central heating boilers and domestic water heaters.
While the L4188/L6188 models are single controllers, the L4191/L6191 double thermostats consist of two independently operating devices (controller and monitor or limiter) in a common housing with a shared immersion sleeve.
The Aquastate L4188/L6188 and L4191/L6191 comply with the following EC directives: the Low Voltage Directive 73/23/EEC the Electromagnetic Compatibility Directive 89/336/EEC Compliance with the EMC Directive with regard to emissions can only be determined in the relevant applications.
Permissible ambient temperature: 0 ... 70 °C Capillary length: 0.22 m, 1 m or 1.5 m
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