... (S1); Built-in T1 overheat protector (single), and can be equipped with pneumatic switch operation, ensure that the use of safe, ... of certain hazardous substances directive authenticationThe product use:1. Can be used for hydraulic massage bath crock, swimming pool ... (S1); Built-in T1 overheat protector (single), and can be equipped with pneumatic switch operation, ensure that the use of safe, ...