FAQ & Quick guides

Please measure the diameter of the barrel. It should be either 55mm (2014-Current) or 60mm (pre-2014) in diameter.

We introduced 2x brass Venturi jets early in 2017. Before this, only the standard Venturi jet was offered. The 3-notch alternative jet has a smaller venturi, allowing less cold water and therefore greater temperature control at high cold pressures.

A leaking shower mixer could be caused by a few different reasons. Please get a plumber to check if any seals need replacing. If they do, please take a picture of your shower mixer and email your query to technical@felton.co.nz and we can assist further.

A stiff handle is often caused by a stiff cartridge. One common reason for a stiff cartridge is due to limescale build up in the cartridge or the internal cartridge lubricant is washed out of the cartridge over time. Our recommendation is to contact a certified plumber to replace your cartridge when this happens. If you know what shower mixer you have, please click here for cartridge selection guide.

Get your plumber to check the anti-scald and flow limiter settings on the cartridge in the first instance. It may have been installed with the incorrect venturi jet. Please call us on 0800 743 358 and we can assist you.

It may have been installed with the incorrect Venturi jet. Please call us on 0800 743 358 and we can assist you.

The Fusion shower mixer comes with a 10-year warranty from the date of purchase. If you are unsure how long you have had the mixer, please call us on 0800 743 358 and we can assist you.

If you have a Fusion 55mm, please check our innovations page here for the available spare parts.

If you have a Fusion 60mm, please check our innovations page here for the available spare parts.