The Regulators' Specification consists of a series of 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
Uncontrolled if downloaded. This is informative, non-statutory guidance and intended for general guidance purposes only; it is subject to change.
Compliance with this information should not be relied upon as guaranteeing no enforcement action will be taken by water undertakers. Water Regs UK accepts no liability for loss, indirect or consequential loss arising from or in connection with this guidance document.
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