Clack WS1 Servicing Wrench

Clack servicing spanner designed for use with Clack WS1 backwashing filter and water softener valves, including the fillport head.

A must-have tool for DIY servicing and maintenance of compatible Clack WS1 systems.

Not sure if this spanner is suitable for your filter or softener?
If you’re unsure whether your system uses a compatible Clack WS1 valve, get in touch with us before ordering. We’ll be happy to help identify the correct part for your system.

Want to make sure your servicing is keeping your water safe to drink?
Regular water testing is an important part of maintaining a private water supply. You can arrange a water test here.