Genuine Thetford replacement holding tank reed switch for selected C400 series cassette toilets fitted in caravans and motorhomes.

This reed switch forms part of the toilet's waste-holding tank level indication system. It detects the position of the magnetic float inside the cassette, allowing the control panel to indicate when the waste tank requires emptying.

Compatible Toilet Models:

• Thetford C402X / SC402X

• Thetford C403L / SC403L

Important Compatibility Information:

This part is specifically designed for the C402X and C403L models.

Not suitable for the C402C, which uses a different reed switch, part number 3231662.

Please check your existing toilet model and part number before purchasing.

If unsure, please contact us before ordering to avoid unnecessary returns.