Walchem’s online support is here to assist you with installation, troubleshooting tips, and training materials.
If you need additional support, please click here to locate your local master distributor. Walchem’s master distributors maintain a local inventory of pumps, controllers and spare parts, are fully trained to provide technical support and understand the needs of customers in their territories.
Here’s where you find quick programming guides for your W900 controller.
Print out or save to your phone for easy access!
| W900 Menu Maps |
| W900 Quick Programming Boiler |
| W900 Quick Programming Cooling Tower |
| W900 Quick Programming: Biocide |
| Virtual Sensor Input |
| Wiring for Typical Cooling Tower Installation |
Here’s where you find general support documents for your W900 controller.
Print out or save to your phone for easy access!
Trying to troubleshoot your W900 controller?
Print out or save to your phone for easy access!
Spare Parts drawings for your W900 controller.
Print out or save to your phone for easy access!
| Controller Spare Parts |
| Sensor Options |
