IRC PLUMBING FINAL PAPER 2026 EXAM
Q AND A STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
●● P2601.3 Flood hazard areas.
Answer: In flood hazard areas as established by Table R301.2(1),
plumbing fixtures, drains, and appliances shall be located or installed in
accordance with Section R322.1.6.
●● P2701.1 Quality of fixtures.
Answer: Plumbing fixtures, faucets and fixture fittings shall be
constructed of approved materials, shall have smooth impervious
surfaces, shall be free from defects and concealed fouling surfaces, and
shall conform to the standards cited in this code. Plumbing fixtures shall
be provided with an adequate supply of potable water to flush and keep
the fixtures in a clean and sanitary condition without danger of backflow
or cross connection.
●● TABLE P2701.1 PLUMBING FIXTURES, FAUCETS AND
FIXTURE FITTINGS
Answer: MATERIAL STANDARD
Air gap fittings for use with plumbing fixtures, appliances and
appurtenances ASME A 112.1.3
Bathtub/whirlpool pressure-sealed doors ASME A 112.19.15
, Diverters for faucets with hose spray, anti-syphon type, residential
application ASTM A 112.18.1/CSA B125.1
Enameled cast-iron plumbing fixtures ASME A 112.19.1M, CSA B45.2
Floor drains ASME A 112.6.3
Floor-affixed supports for off-the-floor plumbing fixtures for public use
ASME A 112.6.1M
Framing-affixed supports for off-the-floor water closets with concealed
tanks ASME A 112.6.2
Hose connection vacuum breaker ASSE 1052
Hot water dispensers, household storage type, electrical ASSE 1023
Household disposers ASSE 1008
Hydraulic performance for water closets and urinals ASME A
112.19.2/CSA B45.1
Individual automatic compensating valves for individual fixture fittings
ASTM A 112.18.1/CSA B125.1
Individual shower control valves anti-scald ASSE 1016, CSA B125
Macerating toilet systems and related components ASME A 112.3.4,
CSA B54.9
Nonvitreous ceramic plumbing fixtures ASME A 112.19.2/CSA B45.1
Plastic bathtub units ANSI Z124.1.2, ASME A112.19.2/CSA B45.1
Plastic lavatories ANSI Z124.3, CSA B45.5
Plastic shower receptors and shower stall ANSI Z124.2, CSA B45.5
Plastic sinks ANSI Z124.6, CSA B45.5
Plastic water closet bowls and tanks ANSI Z124.4, CSA B45.5
Q AND A STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
●● P2601.3 Flood hazard areas.
Answer: In flood hazard areas as established by Table R301.2(1),
plumbing fixtures, drains, and appliances shall be located or installed in
accordance with Section R322.1.6.
●● P2701.1 Quality of fixtures.
Answer: Plumbing fixtures, faucets and fixture fittings shall be
constructed of approved materials, shall have smooth impervious
surfaces, shall be free from defects and concealed fouling surfaces, and
shall conform to the standards cited in this code. Plumbing fixtures shall
be provided with an adequate supply of potable water to flush and keep
the fixtures in a clean and sanitary condition without danger of backflow
or cross connection.
●● TABLE P2701.1 PLUMBING FIXTURES, FAUCETS AND
FIXTURE FITTINGS
Answer: MATERIAL STANDARD
Air gap fittings for use with plumbing fixtures, appliances and
appurtenances ASME A 112.1.3
Bathtub/whirlpool pressure-sealed doors ASME A 112.19.15
, Diverters for faucets with hose spray, anti-syphon type, residential
application ASTM A 112.18.1/CSA B125.1
Enameled cast-iron plumbing fixtures ASME A 112.19.1M, CSA B45.2
Floor drains ASME A 112.6.3
Floor-affixed supports for off-the-floor plumbing fixtures for public use
ASME A 112.6.1M
Framing-affixed supports for off-the-floor water closets with concealed
tanks ASME A 112.6.2
Hose connection vacuum breaker ASSE 1052
Hot water dispensers, household storage type, electrical ASSE 1023
Household disposers ASSE 1008
Hydraulic performance for water closets and urinals ASME A
112.19.2/CSA B45.1
Individual automatic compensating valves for individual fixture fittings
ASTM A 112.18.1/CSA B125.1
Individual shower control valves anti-scald ASSE 1016, CSA B125
Macerating toilet systems and related components ASME A 112.3.4,
CSA B54.9
Nonvitreous ceramic plumbing fixtures ASME A 112.19.2/CSA B45.1
Plastic bathtub units ANSI Z124.1.2, ASME A112.19.2/CSA B45.1
Plastic lavatories ANSI Z124.3, CSA B45.5
Plastic shower receptors and shower stall ANSI Z124.2, CSA B45.5
Plastic sinks ANSI Z124.6, CSA B45.5
Plastic water closet bowls and tanks ANSI Z124.4, CSA B45.5
