Waterworks GUDV3T ViaWorks Three Way Diverter Valve for Thermostatic Shower Systems Installation Guide
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WaterWorks GUDV3T is a three-way diverter valve for thermostatic shower systems that allows you to control the flow of water between a maximum of three devices, such as a shower head, handshower, and body jets, without the water flowing simultaneously from multiple devices. It features tactile feedback at each position, making it easy to switch between devices even with your eyes closed. The valve has a rough-in depth that varies depending on the trim used and requires a minimum water pressure of 20 psi and a maximum pressure of 85 psi.
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STYLE No. GUDV3T, GU3TDV
ViaWorks Three Way Diverter Valve for
Thermostatic Shower Systems
INSTALLATION GUIDELINES
STYLE NO. GUDV3T, GU3TDV†
IMPORTANT:
¾ ALL VALVES AND TRIMS SOLD SEPARATELY.
¾ To ensure this DIVERTER VALVE is installed properly, you must read and follow these guidelines.
¾ The owner/user of this DIVERTER VALVE must keep this information for future reference.
¾ This DIVERTER VALVE must be paired with a THERMOSTATIC
VALVE (sold separately).
¾ This VALVE CANNOT be used with a DIVERTING TUB SPOUT.
¾ CAUTION: The VALVE rough-in depth is measured from the center of the inlets to the surface of the finished wall and VARIES depending on the TRIM used.
¾ This DIVERETER VALVE and associated TRIM (SOLD SEPARATELY) must be installed by a professional licensed contractor and must be onsite prior to rough-in. This allows the installer to visualize the installation.
¾ This DIVERTER VALVE is sold partially assembled but shown fully disassembled for illustrative and service purposes only. Inspect the VALVE to ensure you have all the parts required for proper installation.
¾ Be sure your installation conforms to all federal, state, and local codes. In the State of Massachusetts, all installations must comply with the rules and regulations set forth within 248 CMR.
PRODUCT SUPPORT | 800.927.2120 | WATERWORKS.COM
¾ If further assistance is required, please contact Product Support at 1-800-927-2120 Monday through Friday, 8am – 6pm EST.
¾ Refer to the separate Service Parts Documents for available replacement parts.
TECHNICAL DETAILS:
DETAIL SPECIFICATION
INLET/OUTLET CONNECTIONS
FITTINGS HOLE DIAMETER
ROUGH-IN DEPTH
UNRESTRICTED MAX FLOW RATE @ 45 PSI [3 bar]
1/2” MALE NPT †
Ø2” [51mm]
VARIES ‡
10gpm [38L/min]
WATER PRESSURE MAXIMUM
WATER PRESSURE MINIMUM
85psi [6.0 bar]
20psi [1.5 bar]
WATER PRESSURE RECOMMENDED 45psi [3.0 bar]
† Style No. GU3TDV is provided with 4 BSPP ADAPTERS. ADAPTERS are packaged separately and assembly is required. Replacement ADAPTERS can be ordered separately:
● Universal 1/2” NPT Female x 1/2” Male BSPP Adapter
Style No. UNUK03
‡ Refer to the Installation Guidelines of the specific DIVERTER VALVE TRIM being used for the
MAXIMUM and MINIMUM rough-in depth dimensions.
PAGE 1 OF 3 | UPDATED ON 5.19.2022
INSTALLATION GUIDELINES
VALVE FUNCTION AND HANDLE OPERATION:
¾ CAUTION: When this DIVERTER VALVE is paired with a DIVERTER VALVE TRIM that has specific device MARKINGS, it is crucial that the outlet ports are correctly plumbed to those specific devices (i.e. handshower and shower head)
¾ The required THERMOSTATIC VALVE (sold separately) only mixes hot and cold water, it does not have an on/ off/ or volume control function. Mixed water flows out at a fixed volume to the DIVERTER VALVE which has
3 positions, each 60° apart.
● 3 ON positions that can direct water flow to a
MAXIMUM of 3 devices. Water CANNOT flow out of the devices simultaneously (i.e. out of the shower head AND handshower together).
● 3 OFF positions. 1 in between each ON position.
● The DIVERTER VALVE incorporates tactile feedback at each position.
56G:46
@F T =6E
4
DEVICE
OUTLET
"A"
56G:46
@F T =6E
3
>:I65
H2E6C
:?=6E
[GUDV3T SHOWN]
ROUGH-IN AND VALVE PREPARATION:
¾ Check incoming water pressure.
¾ IMPORTANT:
● The VALVE rough-in depth is measured from the center of the inlets to the surface of the finished wall and varies depending on the TRIM used.
● Refer to the Installation Guidelines of the specific DIVERTER VALVE TRIM being used for the MAXIMUM and MINIMUM rough-in depth dimensions.
¾ CAUTION:
● DO NOT APPLY DIRECT HEAT TO THE VALVE.
Pre-solder any connections to prevent damage to the CARTRIDGE and other internal components.
● The DIVERTER VALVE TRIM components (i.e.
HANDLE and TRIM PLATE) may be packaged separately from each other.
[IN/OUT
MARKINGS]
DIVERTER
VALVE
CENTER
OF
INLET
‡ Refer to the Installation Guidelines of the specific DIVERTER VALVE TRIM being used for the MAXIMUM and MINIMUM rough-in depth dimensions.
THREADED
TUBE
"A"
ROUGH-IN
DEPTH
"B"
FITTINGS
HOLE
PRODUCT SUPPORT | 800.927.2120 | WATERWORKS.COM
STYLE No. GUDV3T, GU3TDV
ViaWorks Three Way Diverter Valve for
Thermostatic Shower Systems
[HANDLE OPERATION]
DIM
A
B
VALUE
VARIES ‡
Ø2” [51mm]
FINISHED
WALL
TILE GUARD
PAGE 2 OF 3 | UPDATED ON 5.19.2022
INSTALLATION GUIDELINES
* Style No. GU3TDV is provided with 4 BSPP ADAPTERS.
DIVERTER
VALVE FINISHED
WALL
MOUNTING
TABS
[BLOCKING
RECOMMENDED]
CENTER
OF INLET
ROUGH-IN
DEPTH
1. The DIVERTER VALVE rough-in depth is measured from the center of the inlet to the surface of the finished wall and varies depending on the TRIM being used.
* TURN ON WATER AND CHECK FOR LEAKS!
CARTRIDGE
STEM
"OFF"
"A"
"OFF"
"B"
"OFF"
[360°]
"C"
4. Turn on the water supply and operate the
CARTRIDGE STEM to flush out the supply lines, verify all VALVE positions are functioning properly, and check for leaks. Ensure the supply lines have been fully flushed then turn off the water.
PRODUCT SUPPORT | 800.927.2120 | WATERWORKS.COM
[1/2"
MALE NPT
THREADS] *
DIVERTER
VALVE
1/2"
COPPER
SUPPLY
[IN/OUT
MARKINGS]
2. From the THERMOSTATIC VALVE (sold separately) being used, run a copper supply line to the proper height of the DIVERTER VALVE making sure it’s positioned according to the IN/OUT MARKINGS so that mixed water flows into the inlet and all piping and fittings are secured.
FINISHED
WALL
TILE GUARD
5. Install the TILE GUARD to protect the DIVERTER
VALVE during the completion of the finished wall and to create the exact opening required to ensure access to the CARTRIDGE for future servicing.
STYLE No. GUDV3T, GU3TDV
ViaWorks Three Way Diverter Valve for
Thermostatic Shower Systems
* Style No. GU3TDV is provided with 4 BSPP ADAPTERS.
1/2"
COPPER
PIPE
1/2"
COPPER
SUPPLY
1/2"
COPPER
PIPE
3. Run 1/2” copper supply lines from the outlet ports to the 3 desired devices making sure all piping and fittings are secured.
PAGE 3 OF 3 | UPDATED ON 5.19.2022
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