Hans Grohe 26396001 User Manual
Installation Instructions / Warranty
ShowerArc
26396001
ShowerArc
26396001
Minimum ceiling height – 90 1/2”
2
Installation Considerations
For best results, Hansgrohe recommends
•
that this unit be installed by a licensed,
professional plumber.
Please read over these instructions thor-
•
oughly before beginning installation.
Make sure that you have all tools and supplies needed to complete the installation.
Inspect the ShowerArc thoroughly for ship-
•
ping damage before beginning installation.
The installation shown on page 2 is ideal
•
for users of approx. 5’11” in height The
installation height may be increased, if
desired. All measurements, including the
minimum ceiling height, must be increased
as well.
The ShowerArc requires 1/2” NPT female
•
fittings, one for the hot supply and one for
the cold supply, recessed 3/8”
behind the surface of the
finished wall.
The thermostatic mixing valve may be
•
installed on either side of the shower. For
proper operation of the thermostatic mixing
valve, the hot supply must enter the valve
on the left and the cold supply must enter
the valve on the right. If the valve is crossconnected, it cannot function correctly.
The difference in water pressure between
•
the hot and cold supplies should not
exceed 10 psi or the thermostatic mixing
valve cannot work properly.
The hot and cold supplies must be thor-
•
oughly flushed before installation of the
ShowerArc.
The finished wall surface (tile,
•
etc) must be installed before
the ShowerArc can be installed.
Use caution when drilling the mounting
•
holes. Be careful not to drill into water
lines!
Protection against backflow is provided by
•
check valves. The check valves should be
removed and cleaned yearly -- please see
the maintenance note on page 29.
The ShowerArc is not for use with an
•
instantaneous water heater.
Technical Information
Recommended water pressure 43.5 - 72.5 psi
Minimum water pressure 43.5 psi
Max. water pressure 145 psi
Recommended hot water temp. 120� - 140� F*
Max. hot water temp 165�F*
Flow rate - showerhead 2.5 gpm
bodysprays 0.6 gpm each
handshower 2.5 gpm
The thermostatic mixing valve has a high temperature limit stop which may be reset to comply with
local plumbing codes -- see page 23.
This unit is listed by IAPMO.
*Please know and follow all applicable local plumbing codes when setting the temperature on the water heater. In
Massachusetts, the water heater may be set no higher than 112�F.
3
Installation in 90º corner:
Instructions begin on page 5
Wall-to-wall installation
Requires 26397000 installation kit
(included): Instructions begin on
page 13.
Roughing-in
The ShowerArc requires 1/2” NPT female fittings, recessed 3/8” behind
the surface of the finished wall, for the hot and cold water supplies for
the thermostatic mixing valve.
4
Installation in 90º corner
Only one set of supplies is required – do not install two
sets of supplies.
The thermostatic mixing valve may be installed on either wall. This diagram shows both possible
positions for the installation.
5
Installation in 90º Corner
Seal the wall around the supplies
with waterproof sealant.
Failure to seal the wall can lead to
possible water damage.
1
2
3 4
6
5
6
7
8
Seal the wall around the
anchors with waterproof
sealant.
Failure to seal the wall can lead
to possible water damage.
7
11
9
10
Seal the wall around the anchors
with waterproof sealant.
Failure to seal the wall can lead
to possible water damage.
Be careful not to drill into water
lines!
12
6 mm
8
13 14
15 16
9
17 18
10
19
20
1
2
6 mm
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