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General Application
These Pressure Balance Valves are for use with GrohFlex
universal rough-in valve.
Planing of piping is done at the time of the rough installation.
2 different types of PBVs are possible.
Observe the possible combinations, see Page 1.
Specification
• Concealed single handle pressure balancing valve for tub
and shower
• Integral service stops
• Integral check valves prevent cross flow
• Pressure balanced diaphragm cartridge automatically
adjusts to inlet pressure fluctuations
• Cartridge restricts hot water supply if the cold pressure fails,
to prevent scalding
• Flow pressure:
- min
- recommended
If greater than 5 bar or 72.5 psi, fit pressure reducing valve
• Max. operating pressure
• Max. test pressure
1
3
English
TM
1 bar or 14.5 psi
1-5 bar or 14.5 – 72.5 psi
8.5 bar or 125 psi
34.5 bar or 500 psi
• Flow rates at 3 bar or 45 psi
- Type #1 19 790
- Type #2 19 786
bottom outlet
top outlet
• Temperature
- max. (hot water inlet)
- The handle rotation stop may be used to limit the maximum
temperature. The maximum temperature will be reached
when the handle is turned in a counter-clockwise direction.
• Back-to-back installation is possible by reversing the
pressure balancing cartridge.
• Water connection:
General preparation
1. Cut of the excess blue box material, see fig. [1].
2. Seal the rough-in valve, see fig. [2].
3. Close the integrated service stops, see fig. [3].
4. Remove flush cap, see fig. [4].
2
4
23 l/min or 6,1 gpm
20 l/min or 5,3 gpm
11 l/min or 2,9 gpm
80 °C or 180 °F
cold - RH
hot - LH
2
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