A specific part used when joining two silicone tubes. It features an inner diameter equal to and not less than the internal diameter of the silicone tubes themselves, so as not to impede the flow of water.

A specific part for housing the water temperature probe (of any brand, thanks to its standard thread), it features an inner diameter equal to and not less than the internal diameter of the silicone tubes themselves, so as not to impede the flow of water.