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GrohFlex Advanced Universal Rough-In Valve System
2
Agenda
• Leap Forward…GrohFlex Overview• Steps for Specification
1. Universal Rough-In2. GrohFlex Functions & Trim Kits3. Select a Trim Style
• GrohFlex Comparisons1. GrohFlex/GrohSafe/GrohTherm2. GrohFlex vs iBox
3
Leap Forward…GrohFlex Overview
Universal Rough-In
Bathroom Trim Kit
+
4
Leap Forward…GrohFlex Overview
Define your style.Choose from GrohFlex Authentic, Timeless, or Cosmopolitan design styles to coordinate with the wide range of GROHE faucets and shower products.
Start projects now.With GrohFlex, final design decisions can be made later in the construction process after you’ve chosen fixtures, tile and colors.
Save Time and Money.Multiple shower installation options are made possible with one universal, in-wall rough-in solution
Times Change, Styles Change.GrohFlex allows users to switch styles without the expense of new piping or tile.
5
Leap Forward…GrohFlex Overview
Easy to Upgrade.As the home changes with the addition of children or older family members, GrohFlex allows you to easily, upgrade your shower from pressure balancing technology to thermostatic safety valve technology without breaking into expensive tile or stone.
Quick and Simple Maintenance Avoid expensive shower wall repairs. GROHE TurboStat Technology
(Thermostatic control modules only)
6
Leap Forward…GrohFlex Overview
• Designed Specifically for the North American Market
• ½ inch installation for all functions, including 14 gpm (at 45 psi) high-flow thermostatic custom shower control module
• All Controls operated from a single axis , reducing the need for separate volume controls
• Integrated service stops, check valves and a flushing system make installation fast and easy
• Integrated backchannel allows for use in tub/shower installation with diverter spouts (no twin ell needed)
• Thin wall mounting capability, designed for acrylic and fiberwall installations
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Step 1: Leap Forward
GrohFlex Universal Rough-In
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½” hot water inlet
½” cold water inlet
Fixing point to front wall
Removable protection cover printed with
installation information
Leveling points
Fixing point to back wall
GrohFlex Universal Rough-in
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½” outlet
Service stop
Flushing plug
Installation depth template
½” outlet
GrohFlex Universal Rough-in
Leak-proof housing
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Step 2: Adapt and Thrive
GrohFlex Function & Bathroom Trim Kits
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Single Function Pressure Balance
Shower or Tub/Shower with Diverter Spout
Adapt and Thrive: GrohFlex Functions
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Single Function Pressure BalanceShower or Tub/Shower with Diverter Spout
Adapt and Thrive: GrohFlex Functions
PBV Handle to open at cold water, moving through warm water to hot water
270° Lever Rotation
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Single Function Thermostat
Shower or Tub/Shower with Diverter Spout
Adapt and Thrive: GrohFlex Functions
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Single Function Thermostatic Shower or Tub/Shower with Diverter Spout
Adapt and Thrive: GrohFlex Functions
Temperature Control
Double Scale Marking: °F/°C100°F/38°C Safety Stop Button
Volume Lever
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Dual Function Pressure Balance
2 Shower Outlets or Tub/Shower without
Diverter Spout
Adapt and Thrive: GrohFlex Functions
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Dual Function Pressure Balance2 Shower Outlets or Tub/Shower without Diverter Spout
Adapt and Thrive: GrohFlex Functions
Aquadimmer volume/diverter lever Turn left to operate outlet #1Turn right to operate outlet #2
Temperature Control
270° Lever Rotation
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Dual Function Thermostatic
2 Shower Outlets or Tub/Shower without
Diverter Spout
Adapt and Thrive: GrohFlex Functions
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Adapt and Thrive: GrohFlex Functions
Dual Function Thermostatic 2 Shower Outlets or Tub/Shower without Diverter Spout
Double Scale Marking: °F/°C 100°F/38°C Safety Stop Button
Aquadimmer volume/diverter lever Turn left to operate outlet #1Turn right to operate outlet #2
Temperature Control
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Custom Shower Thermostatic
High Flow ½” Mixing Valve (14 gpm at 45 psi).
Separate volume controls required.
Adapt and Thrive: GrohFlex Functions
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Custom Shower ThermostaticHigh Flow ½” Mixing Valve (14 gpm at 45 psi). Separate volume controls required.
Adapt and Thrive: GrohFlex Functions
Temperature Control
Double Scale Marking: °F/°C
100°F/38°C Safety Stop Button
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Step 3: Adapt to any Environment
GrohFlex Trim Styles and Coordinating Products
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AuthenticAvailable in Starlight Chrome, Brushed Nickel, Polished Nickel, and Oil-Rubbed Bronze
3 Trim Styles Available
TimelessAvailable in Starlight Chrome, Brushed Nickel
CosmopolitanAvailable in Starlight Chrome, Brushed Nickel
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3 GrohFlex Trim Options
Timeless
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Timeless
Atrio
Tenso
EssenceConcetto
Arden
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3 GrohFlex Trim Options
Authentic
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Authentic
Kensington
Bridgeford
Seabury
SomersetGeneva
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3 GrohFlex Trim Options
Cosmopolitan
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Cosmopolitan
Ondus Veris
GROHE Allure
EuroplusEurosmart
EurosmartCosmopolitan
EurodiscCosmopolitan
Bau Loop
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Additional Tips Frequently Asked Questions
• Refer to the product TPI for additional information and calibration steps.
• Are Extension kits available? • Yes, Refer to TPI for extension set Part Number. Extension kits will increase the fitting
depth by 25mm or 1”.
• Are reversed thermostatic cartridges available?• Yes, part no. 47 175 (1/2”)
• Do the Dual Function Pressure Balance and Thermostatic Valves have Volume Controls?• Yes, the volume controls will control the flow rate from low to high. Turn from the off
position at 6:00 to the left or right to operate the preferred outlet.
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Step 4: GrohFlex Comparisons
GrohFlex/GrohSafe/GrohTherm
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GrohFlex/GrohSafe Single Function Pressure Balance Price Comparison
Essence Trim + GrohSafe = $365
Transitional Design –
Timeless Trim + GrohFlex = $284
Seabury Trim + GrohSafe = $299
Traditional Design –
Authentic Trim + GrohFlex = $294
Europlus Trim + GrohSafe = $312
Contemporary Design –
Cosmo Trim + GrohFlex = $294
Save $81with
GrohFlex!
Save $5with
GrohFlex!
Save $18with
GrohFlex!
GrohSafe GrohFlex
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GrohFlex/GrohSafe Dual Function Pressure Balance Price Comparison
Essence Trim + GrohSafe = $452
Transitional Design –
Timeless Trim + GrohFlex = $364
Seabury PB + Diverter TrimDiverter rough + GrohSafe = $737
Traditional Design –
Authentic Trim + GrohFlex = $374
Europlus Trim + GrohSafe = $312
Contemporary Design –
Cosmo Trim + GrohFlex = $294
Save $88with
GrohFlex!
Save $363 with
GrohFlex!
Save $18with
GrohFlex!
GrohSafe GrohFlex
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GrohFlex/GrohTherm Single Function Thermostat Price Comparison
Atrio + V/C TrimV/C rough + GrohTherm = $834
Transitional Design –
Timeless Trim + GrohFlex = $524
Geneva THM + V/C TrimV/C rough + GrohTherm = $772
Traditional Design –
Authentic Trim + GrohFlex = $534
Allure THM + V/C TrimV/C rough + GrohTherm = $1030
Contemporary Design –
Cosmo Trim + GrohFlex = $534
Save $238 with
GrohFlex!
Save $496with
GrohFlex!
GrohTherm GrohFlex
Save $310with
GrohFlex!
34
GrohFlex/GrohTherm Dual Function Thermostat Price Comparison
Atrio THM + V/C Trim (2) + V/C rough (2) + GrohTherm = $1109
Transitional Design –
Timeless Trim + GrohFlex = $564
Geneva THM + V/C Trim (2) + V/CRough (2) + GrohTherm = $1001
Traditional Design –
Authentic Trim + GrohFlex = $574
Allure THM + V/C Trim (2) + V/Crough (2) + GrohTherm = $1360
Contemporary Design –
Cosmo Trim + GrohFlex = $574
Save $545 with
GrohFlex!
Save $427 with
GrohFlex!
Save $786 with
GrohFlex!
GrohTherm GrohFlex
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GrohFlex/GrohSafe Custom Shower Thermostat Price Comparison
Atrio Trim + GrohTherm = $559
Transitional Design –
Timeless Trim + GrohFlex = $464
Geneva Trim + GrohSafe = $543
Traditional Design –
Authentic Trim + GrohFlex = $474
Allure Trim + GrohSafe = $750
Contemporary Design –
Cosmo Trim + GrohFlex = $474
Save $95with
GrohFlex!
Save $69with
GrohFlex!
Save $276with
GrohFlex!
GrohTherm GrohFlex
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Step 5: GrohFlex Comparisons
GrohFlex vs iBox
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GrohFlex vs iBox: Full Functional RangeSingle Function Pressure Balance (Single Axis)
GrohFlex iBox“C” Trim + iBox = $290
Cosmo Trim + GrohFlex = $294
38
GrohFlex vs iBox: Full Functional RangeDual Function Pressure Balance (Single Axis)With Volume Control
GrohFlex iBoxN/A
Authentic Trim + GrohFlex = $374
* * *
*Using Grohe 03671 twin-ell and Grohe ¾” diverter spout.
39
GrohFlex vs iBox: Full Functional RangeSingle Function Thermostat (Single Axis)With Volume Control
GrohFlex iBox“C” Trim + iBox = $560
Authentic Trim + GrohFlex = $534
40
GrohFlex vs iBox: Full Functional RangeDual Function Thermostat (Single Axis)With Volume Control
GrohFlex iBox“C” Trim + iBox = $580
Timeless Trim + GrohFlex = $564
* * *
*Uses Grohe 03671 twin-ell and Grohe ¾” diverter spout.
41
GrohFlex vs iBox: Full Functional RangeHigh Volume Thermostat Requires Separate Volume Controls
GrohFlex iBoxStark Trim + iBox = $918
Cosmo Trim + GrohFlex = $474 (3 Trim Styles)
14 GPM 16/18 GPM
Save $444 with GrohFlex
42
GrohFlex Circle of Excellence “Learn and Earn” Course, GrohFlex Overview: Available Now 10-question quiz on Circle of Excellence worth 3,000 pts based on information
reviewed in GrohFlex Trade Brochure
GrohFlex Circle of Excellence “Learn and Earn” Course, Selling GrohFlex: Available Now 5 question quiz on Circle of Excellence worth 3,000 pts based on information reviewed
in GrohFlex Consumer Brochure
Available GrohFlex Training Materials
Live Customer Webinars: Dates in January With points tied to Circle of
Excellence Quiz
43
44
GrohFlex Tech InfoPipe diagrams & additional technical
information
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Without bypass use
GrohFlex Functions: Single Function PBV/THERM
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With use of integrated bypass
GrohFlex Functions: Single Function PBV/THERM
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Integrated 2 way diverter
GrohFlex Functions: Dual Function PBV/THERM
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GrohFlex Functions: Custom Shower Thermostat
Separate Volume Controls Required
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Application and Specification
• Concealed System can be used in conjunction with:• Pressurize storage heaters• Thermally controlled instantaneous heaters• Hydraulically controlled instantaneous heaters• Operation with unpressurized storage heaters (displacement water heaters)
is NOT possible• Flow Pressure:
• Min: 20 PSI• Recommended: 20-72.5 psi• Max. Operating Pressure 125 psi• Temperature Max: 180°F• Water Connection:
• Cold: RH• Hot: LH
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Can the GrohFlex Valve be installed in a 2x4 wall?
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Flush the lines for debris
Note: Opening up both service stops allows for cross flow of the inlet lines
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Trim the rough in box when ready for final assembly
!
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Caulk to seal the rough in box
Prevents in-wall leakage
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Install Control Module and Secure with Screws
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Close Valve Function by following directions on TPI, then open the service stops
Single Function Pressure Balance
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Close Valve Function by following directions on TPI, then open the service stops
Single Function ThermostaticDual Function Pressure BalanceDual Function Thermostatic
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Open Service Stops and Observe the proper mounting position
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Attach and Secure Trim Plate
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Install Single Axis Trim Rings and Levers
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Install Single Axis Trim Rings and Levers
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Getting to know the control module
Check Valves are found in each control module
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Locate the set screw to disassemble the control module housing
Getting to know the control module
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There is a specific order the parts are assembled to fit properly. This makes reassembly simple.
Getting to know the control module
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Notches in the brass and fittings ensure cartridges line up properly. This makes reassembly simple.
Getting to know the control module
Removing the Pressure Balance Cartridge
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Before removing control module: check that Supply Lines are closed!
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Turn the Pressure Balance Valve Outlet to the “off” position.
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Locate the set screw to disassemble the control module housing
Removing Pressure Balance Cartridge
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Removing Pressure Balance Cartridge
Top Cap is and outer sleeve are removed
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Removing Pressure Balance Cartridge
Remove the cartridge retaining nut
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Removing Pressure Balance Cartridge
Remove the cartridge cap
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Removing Pressure Balance Cartridge
You now have access to the pressure balance cartridge
Removing the Thermostatic Cartridge
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Before removing control module: check that Supply Lines are closed!
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Locate the set screw to disassemble the control module housing
Removing Thermostatic Cartridge
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Removing Thermostatic Cartridge
Outer Control Module Sleeves are removed
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Removing Thermostatic Cartridge
Remove cartridge retainer nut
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Removing Thermostatic Cartridge
Thermostatic Cartridge can be pulled out.
Note the notch to assist in proper cartridge alignment