METHVEN MAKU BASIN MIXER Installation Manual Download Page 2

IMPORTANT 

Please read all of the instructions before installation

This mixer is designed for equal and unequal pressure systems.

All pipework must be thoroughly flushed prior to the installation of the mixer. In-line filters 

must be fitted on both hot and cold supplies to prevent foreign particles damaging the ceramic 

cartridge.

Equal Low Pressure and Unequal 

Pressure Installations

Remove flow restricted (yellow) stream 

shaper using cache key.

Replace with un-restricted (white) stream 

shaper

Unequal pressure installations

Install flow restricted brass nipple on cold 

inlet

Stream shaper

Col

d

CORRECT

Max 40mm

ø35mm Min

ø38mm Max

Cold

Hot

INCORRECT

DO NOT CRUSH

HOSE OR SWAGED 

ENDS

DO NOT STRETCH OR TWIST HOSE

Clamp Plate

O-Ring

Twin Stud 

Fixing system

Mounting nuts

Flexible inlet hose: 

cold 

hot

R35mm Min

20mm

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