1. GrohFlex Advanced Universal Rough-In Valve System

2. Leap Forward…GrohFlex Overview Steps for Specification
Agenda
Leap Forward…GrohFlex Overview
Steps for Specification
Universal Rough-In
GrohFlex Functions & Trim Kits
Select a Trim Style
GrohFlex Comparisons
GrohFlex/GrohSafe/GrohTherm
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

7. GrohFlex Universal Rough-In
Step 1: Leap Forward
GrohFlex Universal Rough-In

8. GrohFlex Universal Rough-in
Fixing point to back wall
Leveling points
½” cold water inlet
½” hot water inlet
Removable protection cover printed with installation information
Fixing point to front wall

9. GrohFlex Universal Rough-in
½” outlet
Installation depth template
Service stop
Flushing plug
Leak-proof housing
½” outlet

10. GrohFlex Function & Bathroom Trim Kits
Step 2: Adapt and Thrive
GrohFlex Function & Bathroom Trim Kits

11. Adapt and Thrive: GrohFlex Functions
Single Function Pressure Balance
Shower or Tub/Shower with Diverter Spout

12. Adapt and Thrive: GrohFlex Functions
Single Function Pressure Balance
Shower or Tub/Shower with Diverter Spout
270° Lever Rotation
PBV Handle to open at cold water, moving through warm water to hot water

13. Adapt and Thrive: GrohFlex Functions
Single Function Thermostat
Shower or Tub/Shower with Diverter Spout

14. Adapt and Thrive: GrohFlex Functions
Single Function Thermostatic
Shower or Tub/Shower with Diverter Spout
100°F/38°C Safety Stop Button
Double Scale Marking: °F/°C
Temperature Control
Volume Lever

15. Adapt and Thrive: GrohFlex Functions
Dual Function Pressure Balance
2 Shower Outlets or Tub/Shower without Diverter Spout

16. Adapt and Thrive: GrohFlex Functions
Dual Function Pressure Balance
2 Shower Outlets or Tub/Shower without Diverter Spout
270° Lever Rotation
Aquadimmer volume/diverter lever
Turn left to operate outlet #1
Turn right to operate outlet #2
Temperature Control

17. Adapt and Thrive: GrohFlex Functions
Dual Function Thermostatic
2 Shower Outlets or Tub/Shower without Diverter Spout

18. 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
Temperature Control
Aquadimmer volume/diverter lever
Turn left to operate outlet #1
Turn right to operate outlet #2

19. Adapt and Thrive: GrohFlex Functions
Custom Shower Thermostatic
High Flow ½” Mixing Valve (14 gpm at 45 psi).
Separate volume controls required.

20. Adapt and Thrive: GrohFlex Functions
Custom Shower Thermostatic
High Flow ½” Mixing Valve (14 gpm at 45 psi). Separate volume controls required.
Double Scale Marking: °F/°C
100°F/38°C Safety Stop Button
Temperature Control

21. Step 3: Adapt to any Environment
GrohFlex Trim Styles and
Coordinating Products

22. Timeless Authentic Cosmopolitan 3 Trim Styles Available
Available in Starlight Chrome, Brushed Nickel
Authentic
Available in Starlight Chrome, Brushed Nickel, Polished Nickel, and Oil-Rubbed Bronze
Cosmopolitan
Available in Starlight Chrome, Brushed Nickel

23. 3 GrohFlex Trim Options
Timeless

24. Timeless
Concetto
Essence
Tenso
Atrio
Arden

25. 3 GrohFlex Trim Options
Authentic

26. Authentic
Kensington
Bridgeford
Seabury
Somerset
Geneva

27. 3 GrohFlex Trim Options
Cosmopolitan

28. Cosmopolitan Eurodisc Cosmopolitan Ondus Veris Eurosmart Europlus
GROHE Allure
Bau Loop

29. 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 (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.

30. Step 4: GrohFlex Comparisons
GrohFlex/GrohSafe/GrohTherm

31. GrohFlex/GrohSafe Single Function Pressure Balance Price Comparison
Transitional Design –
GrohSafe
GrohFlex
Save $81
with GrohFlex!
Essence Trim + GrohSafe = $365
Timeless Trim + GrohFlex = $284
Traditional Design –
Save $5
with GrohFlex!
Seabury Trim + GrohSafe = $299
Authentic Trim + GrohFlex = $294
Contemporary Design –
Save $18
with GrohFlex!
Europlus Trim + GrohSafe = $312
Cosmo Trim + GrohFlex = $294

32. Save $88 with GrohFlex! Save $363 with GrohFlex! Save $18
GrohFlex/GrohSafe Dual Function Pressure Balance Price Comparison
Transitional Design –
GrohSafe
GrohFlex
Save $88
with GrohFlex!
Essence Trim + GrohSafe = $452
Timeless Trim + GrohFlex = $364
Traditional Design –
Save $363 with
GrohFlex!
Seabury PB + Diverter Trim
Diverter rough + GrohSafe = $737
Authentic Trim + GrohFlex = $374
Contemporary Design –
Save $18
with GrohFlex!
Europlus Trim + GrohSafe = $312
Cosmo Trim + GrohFlex = $294

33. Save $310 with GrohFlex! Save $238 with GrohFlex! Save $496 with
GrohFlex/GrohTherm Single Function Thermostat Price Comparison
Transitional Design –
GrohTherm
GrohFlex
Save $310
with
GrohFlex!
Atrio + V/C Trim
V/C rough + GrohTherm = $834
Timeless Trim + GrohFlex = $524
Traditional Design –
Save $238
with
GrohFlex!
Geneva THM + V/C Trim
V/C rough + GrohTherm = $772
Authentic Trim + GrohFlex = $534
Contemporary Design –
Save $496
with
GrohFlex!
Allure THM + V/C Trim
V/C rough + GrohTherm = $1030
Cosmo Trim + GrohFlex = $534

34. Save $545 with GrohFlex! Save $427 with GrohFlex! Save $786 with
GrohFlex/GrohTherm Dual Function Thermostat Price Comparison
Transitional Design –
GrohTherm
GrohFlex
Save $545 with
GrohFlex!
Atrio THM + V/C Trim (2) + V/C
rough (2) + GrohTherm = $1109
Timeless Trim + GrohFlex = $564
Traditional Design –
Save $427 with
GrohFlex!
Geneva THM + V/C Trim (2) + V/C
Rough (2) + GrohTherm = $1001
Authentic Trim + GrohFlex = $574
Contemporary Design –
Save $786 with
GrohFlex!
Allure THM + V/C Trim (2) + V/C
rough (2) + GrohTherm = $1360
Cosmo Trim + GrohFlex = $574

35. GrohFlex/GrohSafe Custom Shower Thermostat Price Comparison
Transitional Design –
GrohTherm
GrohFlex
Save $95
with GrohFlex!
Atrio Trim + GrohTherm = $559
Timeless Trim + GrohFlex = $464
Traditional Design –
Save $69
with GrohFlex!
Geneva Trim + GrohSafe = $543
Authentic Trim + GrohFlex = $474
Contemporary Design –
Save $276
with
GrohFlex!
Allure Trim + GrohSafe = $750
Cosmo Trim + GrohFlex = $474

36. Step 5: GrohFlex Comparisons
GrohFlex vs iBox

37. GrohFlex vs iBox: Full Functional Range Single Function Pressure Balance (Single Axis)
“C” Trim + iBox = $290
GrohFlex
iBox
Cosmo Trim + GrohFlex = $294

38. GrohFlex vs iBox: Full Functional Range Dual Function Pressure Balance (Single Axis) With Volume Control
N/A
GrohFlex
iBox
Authentic Trim + GrohFlex = $374
*Using Grohe twin-ell and Grohe ¾” diverter spout. * * *

39. GrohFlex vs iBox: Full Functional Range Single Function Thermostat (Single Axis) With Volume Control
“C” Trim + iBox = $560
GrohFlex
iBox
Authentic Trim + GrohFlex = $534

40. GrohFlex vs iBox: Full Functional Range Dual Function Thermostat (Single Axis) With Volume Control
“C” Trim + iBox = $580
GrohFlex
iBox
Timeless Trim + GrohFlex = $564
*Uses Grohe twin-ell and Grohe ¾” diverter spout. * * *

41. GrohFlex vs iBox: Full Functional Range High Volume Thermostat Requires Separate Volume Controls
Stark Trim + iBox = $918
GrohFlex
iBox
Cosmo Trim + GrohFlex = $474 (3 Trim Styles)
Save $444 with GrohFlex
14 GPM
16/18 GPM

42. Available GrohFlex Training Materials
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
Live Customer Webinars: Dates in January
With points tied to Circle of Excellence Quiz

44. GrohFlex Tech Info Pipe diagrams & additional technical information

45. GrohFlex Functions: Single Function PBV/THERM
Without bypass use

46. GrohFlex Functions: Single Function PBV/THERM
With use of integrated bypass

47. GrohFlex Functions: Dual Function PBV/THERM
Integrated 2 way diverter

48. GrohFlex Functions: Custom Shower Thermostat
Separate Volume Controls Required

49. 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: psi
Max. Operating Pressure 125 psi
Temperature Max: 180°F
Water Connection:
Cold: RH
Hot: LH

50. Can the GrohFlex Valve be installed in a 2x4 wall?

52. Flush the lines for debris
Note: Opening up both service stops allows for cross flow of the inlet lines

53. Trim the rough in box when ready for final assembly!

54. Caulk to seal the rough in box
Prevents in-wall leakage

55. Remove Flush Plug Insert

56. Install Control Module and Secure with Screws

57. Single Function Pressure Balance
Close Valve Function by following directions on TPI, then open the service stops
Single Function Pressure Balance

58. Single Function Thermostatic Dual Function Pressure Balance
Close Valve Function by following directions on TPI, then open the service stops
Single Function Thermostatic
Dual Function Pressure Balance
Dual Function Thermostatic

59. Open Service Stops and Observe the proper mounting position

60. Attach and Secure Trim Plate

61. Install Single Axis Trim Rings and Levers

62. Install Single Axis Trim Rings and Levers

64. Getting to know the control module
Check Valves are found in each control module

65. Getting to know the control module
Locate the set screw to disassemble the control module housing

66. Getting to know the control module
There is a specific order the parts are assembled to fit properly. This makes reassembly simple.

67. Getting to know the control module
Notches in the brass and fittings ensure cartridges line up properly. This makes reassembly simple.

68. Removing the Pressure Balance Cartridge

69. Before removing control module: check that Supply Lines are closed!

70. Turn the Pressure Balance Valve Outlet to the “off” position.

71. Removing Pressure Balance Cartridge
Locate the set screw to disassemble the control module housing

72. Removing Pressure Balance Cartridge
Top Cap is and outer sleeve are removed

73. Removing Pressure Balance Cartridge
Remove the cartridge retaining nut

74. Removing Pressure Balance Cartridge
Remove the cartridge cap

75. Removing Pressure Balance Cartridge
You now have access to the pressure balance cartridge

76. Removing the Thermostatic Cartridge

77. Before removing control module: check that Supply Lines are closed!

78. Removing Thermostatic Cartridge
Locate the set screw to disassemble the control module housing

79. Removing Thermostatic Cartridge
Outer Control Module Sleeves are removed

80. Removing Thermostatic Cartridge
Remove cartridge retainer nut

81. Removing Thermostatic Cartridge
Thermostatic Cartridge can be pulled out.
Note the notch to assist in proper cartridge alignment