background image

Methven warrants this product against manufacturing defects and that it is suitable for use under the general 

operating conditions specified in this instruction sheet. However, regional regulations apply and may affect your 

warranty. Please refer to 

www.methven.com

 or call customer service for full details.

 

New Zealand

Australia

UK

www.methven.com

Never use abrasives or abrasive cleaning agents to clean this product. Clean regularly with 

contamination free warm soapy water and a damp soft cloth.

If the flow rate from the mixer is reduced, the filters should be checked 

for blockages and cleaned if required.

Cartridge Filters

 

Remove the handle from the cartridge lever by 

loosening the grub screw with the hex key provided.

 

Remove the faceplate cover and unscrew the locknut 

from the mixer body.

 

Remove the 

Thermostatic 

cartridge and remove the filters 

from the base of the cartridge. 

 

Clean the filters and re-insert into the base of the cartridge.

 

Reverse the above steps to re-assemble the mixer, 

ensuring the 

Thermostatic 

cartridge is correctly oriented and 

has all seals in place and undamaged. The locknut on the 

cartridge must be torqued to 10±2 Nm.

Non-Return Nipple Filters

 

Remove the non-return nipples from the hot and cold supply lines.

 

Clean the filters in the non-return nipples and refit the nipples into the hot and cold supply 

lines. The arrows on the non-return nipples must be installed in the direction of water flow.

Care and Cleaning:

Maintenance:

Step 6

Remove both plastic covers. Do not discard screws. 

Slide faceplate onto mixer body, and position 

faceplate with notch towards the bottom.

Fasten faceplate to the mixer body with the 

screws previously removed.

Fit o-ring into the groove on mixer body.  Insert 

faceplate cover into the faceplate recess.

Push handle on to cartridge lever and tighten grub 

screw firmly with the hex key provided.

• 

• 

• 

• 

• 

Thermostatic

Cartridge

Locknut

Filters

Use appropriate 

faceplate cover for 

installation depth

ISSUE B

Technical Specifications: 

Supply Pressure:

EQUAL PRESSURE INSTALLATIONS ONLY

Min: 150kPa/1.5bar

Max: 500kPa/5bar*

Optimum: 200kPa/2bar - 500kPa/5bar

Supply Temperature:

Hot: Min 55°C (at mixer), Max 80°C*

Cold: Min 5°C, Max 25°C

Operating Temperature Range:

5°C – 45°C Max

Inlet Connections:

All ½" BSP Female

* Regional specific regulations apply. 
Please refer to your warranty statement at 

www.methven.com

WAIPORI THERMOSTATIC 

SHOWER MIXER 

Installation Guide

Reviews: