Tunze Osmolator Replacement Controller - 5017 The Tunze Osmolator Replacement Controller - 5017 is a genuine replacement controller for compatible Tunze Osmolator 3155 auto top-off systems. It is intended for servicing an existing Osmolator installation when the controller module needs replacement while the compatible sensors, pump, tubing, and mounting hardware are reused. Osmolator 3155 Replacement Controller Genuine Tunze replacement controller module. Designed for compatible Tunze Osmolator 3155 systems. Connects with the existing Osmolator sensor and pump components. Helps restore automatic freshwater top-off control in reef, marine, or freshwater systems. Controller should be kept dry, protected, and well ventilated. Useful for repair or maintenance of an existing Osmolator setup. Compatibility and Use Notes Tunze part number: 5017.000 Product type: Replacement Osmolator controller Primary compatibility: Tunze Osmolator 3155 systems Application: Automatic top-off controller replacement Not a complete Osmolator kit; sensors, pump, hose, power supply, and mounting parts are separate unless already present in the existing system. Replacement Notes Verify the existing Osmolator system is compatible before installation. Disconnect power before removing the old controller. Connect the existing compatible sensors and pump according to the Tunze manual. Mount the controller in a dry area away from splashes, salt spray, and heat. Test the system through several top-off cycles before relying on unattended operation. What's Included Tunze Osmolator Replacement Controller - 5017
