Installer Manual Performa 263-268 / LOGIX 740-760 - Description
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Ref. MKT-IM-011 / A - 15.06.2017
3.4.2. Blending valve kit
Tightening the adjusting screw provided by the kit will force the bypass flapper open. The open flapper
will allow untreated (hard) water to blend with the treated water supply. As the adjusting screw is
turned in, the hardness of the outlet water increases.
Loosening the adjusting screw will allow the bypass flapper to close. The closing action will blend less
untreated water into the outlet flow.
To blend a specific amount of hardness into outflow, adjust the screw and test the water. Repeat the
following procedure as needed until the desired harness level is reached.
No.
Operation
A
Insert the nut (
3
) into the blending valve orifice (
2
).
B
Insert the adjusting screw (
4
) through the top plate and then through the nut.
C
Tighten the adjusting screw (
4
) until it touches the bypass flapper (
1
).
D
Adjust the position of the screw (
4
) until the desired hardness level of water is reached.
