Grohe GROHFLEX 35 026 Installation Manual

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35 026

GROHFLEX

DESIGN + ENGINEERING
GROHE GERMANY

99.789.031/ÄM 235190/08.15
www.grohe.com

TM

English .....4

Français .....8

Español ...12

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without bypass use with use of integrated

Thermostat/PBV trim type #1 (single use)

bypass

Thermostat/PBV trim type #2 (integrated two way diverter)

Installation options with different types of trims

Please pass these instructions on to the end user of the fitting!

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separate volume controls required

Thermostat trim type #3 (high flow)

Installation options with different types of trims

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5P6

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A

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7

mm

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English

Application

GrohFlexTM is a universal rough-in valve for thermostats and
Pressure Balance Valves. Type of use is specified by different
types of trims. To plan the piping, choose type of inst allation on
Pages 1 and 2.

The Concealed System can be used in conjunction with:

• Pressurised storage heaters

• Thermally controlled instantaneous heaters

• Hydraulically controlled instantaneous heaters
Operation with unpressurised storag e heaters (displacement

water heaters) is not possible.

Specification

• Integral service stops

• Flow pressure:

-min 20 psi

- recommended 20 – 72.5 psi
greater than 72.5 psi, fit pressure reducing va lve

• Max. operating pressure 125 psi

• Max. test pressure 500 psi

Installation

Refer to the dimensional drawing on the front page.
Prepare the holes for the rough-in and slots for the pipes.
For different installation options, see the pre-drilled holes

in Fig. [1] and [2] on Page 3 and on the front page.

For mounting

• on the wall use back holes, see Fig. [1].

• on plasterboards wall use front holes, see Fig. [2].

Align the valve

Place a spirit level on the tabs of the fitting template (blue box),
see Fig. [1].

Install the rough-in using the fitting template (blue box)

• The finished surface of the wall must lie within the area (A)
of the fitting template (blue box), see Fig. [3] and [4].

• The hot water supply must be connected on the left and the
cold water supply on the right, see Fig. [3].

Connect the pipes, see Figs. [3] and [4].
Check the installation options.
For possible combinations, see Pages 1 and 2.

A soldered connection is not available.

• Temperature

- max. (hot water inlet) 180 °F

• Water connection: cold - RH
hot - LH

Open the cold and hot water supply and check the fitting
connections for leakage.

Flush the pipes thoroughly, see Figs. [5] and [6].

1. Remove the cover, see Fig. [5].

2. Open the hot and cold water supply. This rough-in is
combined with integrated service stops for opening and
closing, see Fig. [6]. Flush the pipes thoroughly.

Plaster and tile the wall

Do not cut the fitting template (blue box) before final
installation.

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