FORM SIG 085
Revised 6-01-18
Page 3 of 4
HANDLE TENSION ADJUSTMENT
SIGMA offers many handles of varying sizes and weights. Each
design allows the installer to set the torque (tension) on each
valve that uses the standard assembly B through F as shown.
Part C is a loose brass O-ring that is compressed inside Part E by
tightening or loosening Part D.
REVERSING CARTRIDGE FOR BACK-TO-BACK INSTALLATIONS ONLY
allow normal operation. FIG. 5
1. Expose top of valve.
2. Loosen and remove hex cap above cartridge with wrench.
3. Remove cartridge from valve cavity.
4. Look into cavity to see upper and lower locating holes for cartridge pin on
cutaway by discharge opening).
7. Secure cartridge by tightly re-assembling the cap using wrench.
8. Re-assemble trim.
FIG. 5
Malfunction
Cause
Remedy
Shower control opening
through hot.
Hot and cold water supplies have been
connected in reverse.
Rotate cartridge as described in
”Back to Back Installation”
drips after shutting off
valve.
the shower head (this is normal)
Failure to close cartridge before
setting temperature ring causing
a partially opened cartridge.
Seal on the inlet of the cartridge
is faulty.
Allow approx. 3-5 min. to drain column.*
Reset the temperature ring as described on Figure 3.
Check the seal for cuts or damage and replace if necessary.
Adjustable handle position stop incor-
rectly set.
- Reset handle position.
- Check hot water source temperature setting.
cold water.
Either the hot or the cold side is not fully
pressurized.
Debris caught inside the inlets of the
cartridge.
Be sure service stops are both wide open and system
is fully pressurized.
Install stem extension kit.
Trim parts do not
operate valve correctly.
Stem and all thread not installed to
proper lengths.
or call customer service.
Trim plate will not install
wall.
Re-install valve to proper depth or call dealer for
custom trim plate.
Maintenance
The cartridge is designed for minimum maintenance in normal domestic use. If a malfunction occurs then this will
probably necessitate a complete replacement. The cartridge contains no internally serviceable parts! Contact your installer or dealer.
To Clean trim
and should never be used for cleaning decorative faucets.
Trouble Shooting - Pressure Balancing Valve
