13. TROUBLESHOOTING (Continued)
H. Too much water to Fixture.
i. Activation Assembly not adjusted properly. Readjust Activation Assembly (see section 6).
ii. Piston is damaged. Replace with new proper gpf/Lpf piston
iii. Wrong TruFlush model installed; i.e.,1.6 gpf. model installed on 0.5 gpf/1.9 Lpf or 0.25 gpf/1.0 Lpf urinal fixture. Replace with proper TruFlush
model per guide.
I. Not enough water to Fixture.
i. Activation Assembly not adjusted properly. Readjust Activation Assembly by turning counterclockwise.
ii. Wrong TruFlush model installed; i.e. 0.5 gpf. urinal installed on 1.6 gal. closet fixture. Replace with proper TruFlush model.
iii. Water supply pressure is inadequate (low). Increase the water supply pressure. Contact the fixture manufacturer for minimum water supply
requirements of the fixture.
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i. Reduce flow pressure by turning Activation Assembly.
K. Valve leaks through Aspirator when activated
i. Debris between the umbrella valve and the retainer. Blow air on the aspirator. If this does not correct the problem, remove retainer with 5 mm Allen
Key (not included) and wash it under clean running water. Replace aspirator if cleaning does not correct the problem.
ii. Loose Retainer. Hand tight retainer with 5 mm Allen Key (not included). Do not overtight. Replace aspirator if this does not correct the problem.
For valves built before December 2021, consult factory to confirm code number. **Colors may differ. Consult factory to confirm you have the correct assembly.
† 0.125 gpf/0.5 Lpf activation assembly has a silver color. Other models are a brass/yellow color.
Code No.
Part No.
Description
3400105
TRF 8156-1.6 LP
Sensor Valve Assembly 1.6 gpf/6.0 Lpf
3400106
TRF 8156-1.28 LP
Sensor Valve Assembly 1.28 gpf/4.8 Lpf
34001007
TRF 8156-1.1 LP
Sensor Valve Assembly 1.1 gpf/4.2 Lpf
3400107
TRF 8196-0.5 LP
Sensor Valve Assembly 0.5 gpf/1.9 Lpf
3400108
TRF 8196-0.25 LP
Sensor Valve Assembly 0.25 gpf/1.0 Lpf
3400109
TRF 8196-0.125 LP
Sensor Valve Assembly 0.125 gpf/0.5 Lpf
VALVE ASSEMBLY SELECTION GUIDE
Filter Screen
Code No.
Part No.
Description
Piston Color*
3340024IN
GBL-1024-A
1.6 gpf/6.0 Lpf (wash down)TruFlush closet piston assembly
Orange
3340005
GBL-1005-A
1.6 gpf/6.0 Lpf TruFlush closet piston assembly
Green
3340006
GBL-1006-A
1.28 gpf/4.8 Lpf TruFlush closet piston assembly
Purple
33400065
GBL-1090-A
1.1 gpf/4.2 Lpf TruFlush closet piston assembly
Grey
3340007
GBL-1007-A
0.5 gpf/1.9 Lpf TruFlush urinal piston assembly
Red
3340008
GBL-1008-A
0.25 gpf/1.0 Lpf TruFlush urinal piston assembly
Burgundy
33400001
GBL
0.125 gpf/0.5 Lpf TruFlush urinal piston assembly Electronic
Red/Pink
PISTON PARTS LIST SELECTION GUIDE
Code No.*
Part No.
Description
Aspirator Retainer Color**
33400049IN GBL-1071-A
1.6 gpf/6.0 Lpf (wash down) closet activation assembly
Orange
33400048
GBL-1072-A
1.6 gpf/6.0 Lpf closet activation assembly
Green
33400047
GBL-1073-A
1.28 gpf/4.8 Lpf closet activation assembly
Purple
33400066
GBL-1094-A
1.1 gpf/4.2 Lpf closet activation assembly
Grey
33400046
GBL-1074-A
0.5 gpf/1.9 Lpf urinal activation assembly
Red
33400045
GBL-1075-A
0.25 gpf/1.0 Lpf urinal activation assembly
Burgundy
33400055
GBL-1076-A
0.125 gpf/0.5 Lpf urinal activation assembly
†
Pink
ACTIVATION ASSEMBLY SELECTION GUIDE
ASPIRATOR ASSEMBLY SELECTION GUIDE
Code No.
Part No.
Description
Aspirator Retainer Color*
3340032
GBL-1032-A
1.6 gpf/6.0 Lpf (wash down) closet aspirator assembly (6PK)
Orange
3340028
GBL-1028-A
1.6 gpf/6.0 Lpf closet aspirator assembly (6PK)
Green
3340030
GBL-1030-A
1.28 gpf/4.8 Lpf closet aspirator assembly (6PK)
Purple
33400058
GBL-1095-A
1.1 gpf/4.2 Lpf closet aspirator assembly (6PK)
Grey
3340031
GBL-1031-A
0.5 gpf/1.9 Lpf urinal aspirator assembly (6PK)
Red
3340029
GBL-1029-A
0.25 gpf/1.0 Lpf urinal aspirator assembly (6PK)
Burgundy
3340042
GBL-1033-A
0.125 gpf/0.5 Lpf urinal aspirator assembly (6PK)
Pink
Aspirators
10
