Send us your photos and we’ll help identify the right part.

- Count the teeth on the spline (we find taking a photograph looking down the spline and counting from the photograph is the easiest way), or use our spline gauge. - Measure the cartridge as per our diagram. - Send us clear photos of your cartridge including any coding on the cartridge, and also photos of your complete tap. - Let us know any other details such as make and model of the tap if known.

- Count the splines. - Measure the valve against our diagram – measure the C in the closed position as we need the seating depth inside the tap. - Photograph the valve.

- Measure the total height and width of the cartridge. - Photograph both the side and bottom view of the cartridge.

- Measure the total height. - Measure the width of the cartridge O-rings. - Count the splines. - Measure the spline diameter. - Photograph the cartridge from the side and bottom. - Photograph the shower.

- Measure the height of the cartridge. - Measure the width of the cartridge. - Count the splines and measure the spline diameter. - Photograph the cartridge from the side and bottom view. - Advise how many outlets the diverter operates.