Regulators' Specification for fittings

The Regulators' Specification consists of a series of 203 test code sheets (TCS). For an individual water fitting or  assemblies of fittings, a number of test code sheets are likely to be applicable.

 TCS Section : Full list of Specifications in order (test code sheet number and type of test)

  • 1111.1     Closure
  • 1111.2     Closure
  • 1111.3     Closure - Opening and re-seating pressure test
  • 1111.4     Closure - Temperature Conditions
  • 1111.5     Leaktightness test
  • 1111.6     Closure at set outlet pressure
  • 1111.7     Closure - Diverter
  • 1111.8     Closure under high downstream pressure
  • 1111.9     Pressure tightness under a low reverse pressure differential
  • 1111.10   Pressure tightness under a high reverse pressure
  • 1111.11   Closure under low downstream pressure
  • 1111.12   Closure - diverter
  • 1111.13   Check valve closing pressure (downstream check valve only)
  • 1111.14   Leak tightness of the downstream check valve. High pressure
  • 1111.15   Leak tightness of the upstream check valve at low pressure
  • 1111.16   Relief valve operation
  • 1111.17   Pressure fluctuation
  • 1111.18   Leak tightness of the downstream check valve. High pressure
  • 1111.19   Closing pressure of the downstream check valve
  • 1111.20   Pressure tightness under a low reverse pressure differential
  • 1111.21   Leak tightness test
  • 1111.22   Leak tightness test
  • 1111.23   Tightness test – high pressure
  • 1112.1     Porosity
  • 1112.2     Porosity
  • 1112.3     Body strength
  • 1112.4     Porosity
  • 1112.5     Porosity
  • 1112.6     Porosity
  • 1112.7     Porosity
  • 1112.8     Porosity
  • 1112.9     Body strength
  • 1112.11   Porosity
  • 1112.12   Porosity
  • 1112.14   Porosity
  • 1112.15   Body strength
  • 1112.17   Body strength
  • 1113.1     Joint effectiveness
  • 1113.2     Joint effectiveness
  • 1113.5     Joint effectiveness
  • 1211.1     Endurance
  • 1211.2     Endurance
  • 1211.3     Endurance
  • 1211.4     Endurance
  • 1211.5     Endurance test
  • 1211.6     Endurance
  • 1211.7     Endurance
  • 1211.8     Endurance test
  • 1211.12   Endurance
  • 1211.14   Endurance
  • 1211.15   Flushing device physical endurance and leakage
  • 1211.16   Endurance
  • 1211.17   Performance test of air bubble unvented hot water storage systems
  • 1211.18   Endurance
  • 1211.19   Endurance - reliability characteristics
  • 1211.20   Endurance test
  • 1211.21   Endurance - remote/non-touch method of actuating the water supply
  • 1211.22   Endurance - hot test
  • 1211.23   Endurance test
  • 1211.24   Durability test
  • 1211.25   Endurance test
  • 1211.26   Endurance test
  • 1212.1     Accelerated ageing
  • 1212.3     Accelerated ageing
  • 1212.4     Accelerated ageing
  • 1212.5     Accelerated ageing
  • 1212.6     Accelerated ageing 
  • 1212.7     Accelerated ageing
  • 1212.10   Accelerated ageing
  • 1311.1     Deflection
  • 1311.2     Deflection
  • 1311.3     Deflection prevention (inspection only)
  • 1311.4     Deflection
  • 1311.5     Deflection
  • 1312.1     Deformation
  • 1312.2     Deformation
  • 1312.3     Bending strength
  • 1312.5     Deformation (Boss distortion)
  • 1312.6     Deformation
  • 1312.7     Impact
  • 1312.8     Deformation
  • 1312.9     Deformation
  • 1312.10   Impact
  • 1312.11   Bending strength
  • 1312.12   Bending strength
  • 1312.13   Bending strength
  • 1312.14   Bending strength
  • 1312.15   Bending strength
  • 1312.16   Bending strength
  • 1312.17   Bending strength
  • 1313.1     Impact
  • 1313.2     Impact
  • 1313.4     Verification of valve not jamming
  • 1313.7     High velocity test
  • 1314.1     Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.4     Tension - cold embrittlement
  • 1314.5     Compression - front thrust test
  • 1314.7     Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.8     Tension - (Resistance to pull-out of assembled joints - multiple pull)
  • 1314.9     Tension - (Resistance to pull-out of assembled joints – single pull)
  • 1314.10   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.11   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.12   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.13   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.14   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1314.15   Tension - (Resistance to pull-out of assembled joints - single pull)
  • 1315.1     Torque - operating mechanism
  • 1315.2     Torque - Connection and Disconnection
  • 1315.4     Torque - backnuts
  • 1315.6     Torque - backnuts
  • 1321.1     For deleterious films in copper tube
  • 1411.1     Dezincification resistance
  • 1411.2     Corrosion protection
  • 1411.3     Flushing device: chemical endurance
  • 1412.1     Corrosion protection
  • 1430.1     Temperature rise in integral cold water cistern
  • 1511.1     Opening and closing of the relief valve
  • 1511.2     Flush Rate
  • 1511.4     Flow rate
  • 1511.5     Flow rate
  • 1511.6     Flow rate / splashing
  • 1512.1     Consumption
  • 1512.2     Consumption
  • 1512.3     Consumption
  • 1512.5     Consumption
  • 1512.8     Consumption
  • 1512.9     Consumption (regeneration wastewater volume)
  • 1512.10   Paper discharge for reduced flush volume
  • 1512.11   Solids discharge and after flush volume for maximum flush
  • 1512.12   Wash of bowl
  • 1611.1     Prevention of contamination - primary to secondary circuits
  • 1611.2     Prevention of waste from frost damage
  • 1611.3     Prevention of waste and contamination - materials and construction
  • 1611.4     Accessibility for cleaning
  • 1611.5     Means for connection and disconnection
  • 1611.6     Provision for backflow prevention
  • 1611.8     Visual inspection - seal to be readily renewable
  • 1611.9     Visual inspection - fixing of washer plate
  • 1611.10   Visual inspection - means of operation
  • 1611.11   Visual inspection - means of renewing seat and washer, or seal and washer, if so required
  • 1611.14   Visual inspection - manually operated easing gear
  • 1611.15   Visual inspection, method of operation of dual flush cisterns
  • 1611.16   Liquid contaminant, dye retention
  • 1612.1     Water tightness of siphonic apparatus
  • 1711.2     Operating efficiency
  • 2111.1     Effect upon water quality 
  • 2111.2     Effect upon water quality
  • 2111.3     Effect upon water quality (solder test)
  • 2114.2     Opacity
  • 2211.1     Contamination Test
  • 2211.2     Contamination - vacuum when submerged
  • 2211.3     Contamination - mixing of primary and secondary
  • 2211.4     Contamination - mixing of primary and secondary circuits
  • 2211.5     Contamination - mixing of primary and secondary circuits
  • 2211.11   Particle Ingress - Vacuum test
  • 2212.1     Contamination - vacuum test under fault conditions
  • 2212.3     Vacuum / Dimensional
  • 2212.4     Contamination - antisiphonage test
  • 2212.6     Vacuum test
  • 2212.8     Contamination - vacuum test, including under fault conditions
  • 2212.9     Vacuum test
  • 2212.10   Dimensional - Air gap to drain
  • 2212.11   Vacuum test tightness of the upstream check valve
  • 2212.12   Vacuum test - totally failed condition
  • 2212.13   Vacuum test without moving element
  • 2212.14   Vacuum test
  • 2212.15   Vacuum test
  • 2212.16   Vacuum test
  • 2212.17   Vacuum
  • 2212.18   Vacuum test
  • 2212.19   Opening pressure
  • 2212.20   Backflow prevention. Regulator’s specification for WC suites
  • 2213.1     Dimensional
  • 2213.3     Contamination - dimension of air vent - gas/water air space
  • 2213.4     Contamination - air gap dimension
  • 2213.5     Visual Inspection - compatibility of cartridge and housing dimensions, sealing etc
  • 2213.7     Visual inspection
  • 2213.8     Pressure difference between the upstream and the intermediate zone
  • 2213.10   Visual inspection - check valve operation
  • 2213.11   Visual inspection - check valve operation
  • 2213.12   Dimensional
  • 2213.13   Pressure differential at valve closure
  • 2213.14   Dimensional
  • 2213.15   Dimensional
  • 2213.16   Dimensional
  • 2213.17   Dimensional
  • 2213.18   Dimensional
  • 2213.19   Dimensional
  • 3212.1     WC flush volume and water seal depth
  • 3212.2     Volume of discharge
  • 5011.1     Measurement of linear dimensions
  • 5011.3     Measurement of dimension
  • 5011.5     Measurement of dimension
  • 5011.6     Water Seal depth
  • 5011.7     Warning pipe and overflow provision
  • 5021.2     Measurement of dimension - area
  • 5021.3     Measurement of dimension
  • 5031.1     Dimension - capacity
  • 5031.2     Dimension - capacity
  • 5031.3     Dimension - lifting effort
  • 6001.1     Marking for identification