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Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS

420.3 Pre-Rinse Spray Valve. Commercial food service

California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-10 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

pre-rinse spray valves shall have a maximum flow rate of 1.6 gallons per minute (gpm) at 60 pounds-force per square inch (psi) (6.0 L/m at 414 kPa) and shall be equipped with an integral automatic shutoff.

420.3.1 Pre-Rinse Spray Valves. [BSC-CG, DSA- SS, HCD 1 & HCD 2] When installed, shall meet the requirements in the California Code of Regulations, Title 20 (Appliance Efficiency Regulations), Section 1605.1(h)(4) Table H-2, Section 1605.3(h)(4)(A), and

PLUMBING FIXTURES AND FIXTURE FITTINGS

Section 1607(d)(7), and shall be equipped with an inte- gral automatic shutoff. FOR REFERENCE ONLY: The following table and code section have been reprinted from the California Code of Regulations, Title 20 (Appliance Efficiency Regulations), Section 1605.1(h)(4) and Section 1605.3(h)(4)(A).

TABLE H-2 STANDARDS FOR COMMERCIAL PRE-RINSE SPRAY VALVES

MANUFACTURED ON OR AFTER JANUARY 28, 2019.

PRODUCT CLASS
(spray force in ounce force (ozf))		 MAXIMUM FLOW
RATE (gpm)

Product Class 1 (≤ 5.0 ozf)		 1.00


Product Class 2 (> 5.0 ozf and≤ 8.0 ozf)		 1.20

Product Class 3 (> 8.0 ozf)		 1.28

Title 20 Section 1605.3(h)(4)(A): Commercial pre-rinse spray valves manufactured on or after January 1, 2006, shall have a minimum spray force of not less than 4.0 ounces-force (ozf) [113 grams-force (gf)].

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)
  1. Chapter 1 — GENERAL CODE PROVISIONS
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. ▸Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
    Overview
    1. 401.1 Applicability. This chapter shall govern the materials
    2. 401.2 Quality of Fixtures. Plumbing fixtures shall be construc…
    3. 401.3 Water-Conserving Fixtures and Fittings.
    4. 402.1 Cleaning. Plumbing fixtures shall be installed in a
    5. 402.2 Joints. Where a fixture comes in contact with the wall
    6. 402.3 Securing Fixtures. Floor-outlet or floor-mounted
    7. 402.4 Wall-Hung Fixtures. Wall-hung fixtures shall be
    8. 402.5 Setting. Fixtures shall be set level and in proper align…
    9. 402.6 Flanged Fixture Connections. Fixture connections between…
    10. 402.7 Supply Fittings. The supply lines and fittings for
    11. 402.8 Installation. Fixtures shall be installed in accordance
    12. 402.9 Design and Installation of Plumbing Fixtures.
    13. 402.10 Slip Joint Connections. Fixtures having concealed slip …
    14. 402.11 Future Fixtures. Where provisions are made for the
    15. 403.1 General. Where accessible facilities are required in
    16. 403.2 Fixtures and Fixture Fittings for Persons with
    17. 403.3 Exposed Pipes and Surfaces. Water supply and
    18. 404.1 Waste Fittings. Waste fittings shall comply with
    19. 404.2 Overflows. Where a fixture is provided with an overflow,…
    20. 405.1 Prohibited Water Closets. Water closets having an
    21. 405.2 Prohibited Urinals. Trough urinals and urinals with
    22. 405.3 Miscellaneous Fixtures. Fixed wooden, or tile
    23. 406.1 Water and Waste Connections. Baptisteries, ornamental an…
    24. 406.2 Special Use Sinks. Restaurant kitchen and other
    25. 406.3 Special Use Fixtures. Special use fixtures shall be
    26. 406.4 Zinc Alloy Components. Zinc alloy components
    27. 407.1 Application. Lavatories shall comply with ASME
    28. 407.2 Water Consumption. The maximum water flow rate
    29. 407.3 Limitation of Hot Water Temperature for Public
    30. 407.4 Transient Public Lavatories. Self-closing or metering fa…
    31. 407.5 Waste Outlet. Lavatories shall have a waste outlet
    32. 407.6 Overflow. Where overflows are provided, they shall
    33. 408.1 Application. Manufactured shower receptors and
    34. 408.2 Water Consumption. Showerheads shall have a
    35. 408.3 Individual Shower and Tub-Shower Combina-
    36. 408.4 Waste Outlet. Showers shall have a waste outlet and
    37. 408.5 Finished Curb or Threshold. Where a shower
    38. 408.6 Shower Compartments. Shower compartments,
    39. 408.7 Lining for Showers and Receptors. Shower
    40. 408.8 Public Shower Floors. Floors of public shower
    41. 408.9 Location of Valves and Heads. Control valves and
    42. 408.10 Water Supply Riser. A water supply riser from the
    43. 409.1 Application. Bathtubs shall comply with ASME
    44. 409.2 Waste Outlet. Bathtubs and whirlpool bathtubs shall
    45. 409.3 Overflow. Where overflows are provided, they shall
    46. 409.4 Limitation of Hot Water Temperature in Bath-
    47. 409.5 Backflow Protection. The water supply to a bathtub
    48. 409.6 Installation and Access. Bathtubs and whirlpool
    49. 410.1 Application. Bidets shall comply with ASME
    50. 410.2 Backflow Protection. The water supply to the bidet
    51. 410.3 Limitation of Water Temperature in Bidets. The
    52. 411.1 Application. Water closets shall comply with ASME
    53. 411.2 Water Consumption. The effective flush volume of
    54. 411.3 Water Closet Seats. Water closet seats shall be properly…
    55. 411.4 Personal Hygiene Devices. Water closets with
    56. 412.1 Application. Urinals shall comply with ASME
    57. 412.2 Backflow Protection. A water supply to a urinal
    58. 413.1 Where Required. Each water closet, urinal, clinical
    59. 413.2 Flushometer Valves. Flushometer valves and
    60. 413.3 Flush Tanks. Flush tanks for manual flushing shall
    61. 413.4 Water Supply for Flush Tanks. An adequate quantity of wa…
    62. 413.5 Overflows in Flush Tanks. Flush tanks shall be provided …
    63. 414.1 Application. Domestic dishwashing machines shall
    64. 414.2 Backflow Protection. The water supply connection
    65. 414.3 Drainage Connection. Domestic dishwashing
    66. 415.1 Application. Drinking fountains shall be self-closing
    67. 415.2 Drinking Fountain Alternatives. Where food is
    68. 415.3 Drainage Connection. Drinking fountains shall be
    69. 415.4 Location. Drinking fountains shall not be installed in
    70. 416.1 Application. Emergency eyewash and shower equipment shal…
    71. 416.2 Water Supply. Emergency eyewash and shower
    72. 416.3 Installation. Emergency eyewash and shower equipment sha…
    73. 416.4 Location. Emergency eyewash and shower equipment shall b…
    74. 416.5 Drain. A drain shall not be required for emergency
    75. 417.1 Application. Faucets and fixture fittings shall comply
    76. 417.2 Deck Mounted Bath/Shower Valves. Deck
    77. 417.3 Handheld Showers. Handheld showers shall comply
    78. 417.4 Faucets and Fixture Fittings with Hose Con-
    79. 417.5 Separate Controls for Hot and Cold Water.
    80. 417.6 Low-Pressure Water Dispenser. Beverage faucets
    81. 418.1 Application. Floor drains shall comply with ASME
    82. 418.2 Strainer. Floor drains shall be considered plumbing
    83. 418.3 Location of Floor Drains. Floor drains shall be
    84. 418.4 Food Storage Areas. Where drains are provided in
    85. 418.5 Floor Slope. Floors shall be sloped to floor drains.
    86. 419.1 Application. Food waste disposal units shall comply
    87. 419.2 Drainage Connection. Approved wye or other
    88. 419.3 Water Supply. A cold water supply shall be provided
    89. 420.1 Application. Sinks shall comply with ASME
    90. 420.2 Water Consumption. Sink faucets shall have a maximum flo…
    91. 420.3 Pre-Rinse Spray Valve. Commercial food service
    92. 420.4 Waste Outlet. Kitchen and laundry sinks shall have
    93. 421.1 Application. Floor sinks shall comply with ASME
    94. 421.2 Strainers. The waste outlet of a floor sink shall be
    95. 422.1 Fixture Count. Plumbing fixtures shall be provided
    96. 422.2 Separate Facilities. Separate toilet facilities shall
    97. 422.3 Fixture Requirements for Special Occupan-
    98. 422.4 Toilet Facilities Serving Employees and Cus-
    99. 422.5 Toilet Facilities for Workers. Toilet facilities shall
    100. 422.6 [CA] Cosmetology. Each school shall provide pub-
    101. 422.7 [CA] Cosmetology Establishments. Each estab-
    102. 422.8 [DPH] Commissaries Serving Mobile Food
    103. 422.9 [DPH] Employee Lavatories in Food Establish-
  5. Chapter 5 — WATER HEATERS
  6. Chapter 6 — WATER SUPPLY AND DISTRIBUTION
  7. Chapter 7 — SANITARY DRAINAGE
  8. Chapter 8 — INDIRECT WASTES
  9. Chapter 9 — VENTS
  10. Chapter 10 — TRAPS AND INTERCEPTORS
  11. Chapter 11 — STORM DRAINAGE
  12. Chapter 12 — FUEL GAS PIPING
  13. Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
  14. Chapter 14 — FIRESTOP PROTECTION
  15. Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
  16. Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
  19. Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
  20. Appendix C — ALTERNATE PLUMBING SYSTEMS
  21. Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
  22. Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
  23. Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS
  25. Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
  26. Appendix I — INSTALLATION STANDARDS
  27. Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
  28. Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
  29. Appendix L — SUSTAINABLE PRACTICES
  30. Appendix M — PEAK WATER DEMAND CALCULATOR
  31. Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR …

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