The HSSC Plumber Syllabus 2026 covers Group 41 recruitment for plumber posts under the Haryana Staff Selection Commission. This HSSC Plumber Syllabus guide breaks down the exam pattern and the full subject-wise topic list, straight from the official syllabus published at hssc.gov.in, so you know exactly what to study before you open a single PDF.

HSSC Plumber Syllabus Exam Pattern

Group 41 recruitment follows the standard two-stage HSSC process. Stage one is the Common Eligibility Test (CET) — 100 questions, 100 marks, roughly 90–105 minutes, covering general awareness, reasoning, Hindi, English and quantitative aptitude. Clearing CET plus the socio-economic criteria stage qualifies you for the group-specific written exam, which is where the HSSC Plumber Syllabus below actually applies.

The HSSC Plumber Syllabus for the written exam splits into weighted parts:

General awareness, reasoning, mathematics, science, history (including Haryana-related history), current affairs, literature, geography, civics, environment, culture, etc.—20% weightage
Computer terminology, fundamentals, word software, Excel software, PowerPoint, internet, web browsing, communication, emails, downloading and uploading data on websites, etc.—10% weightage
Subject-related syllabus — 70% weightage

HSSC notes on the official document that this weightage is tentative and may vary, so treat it as a study-time guide rather than a locked question count.

HSSC Plumber Syllabus 2026 (Subject-Wise)

The subject-specific block of the HSSC Plumber Syllabus spans the following areas. Here is the complete breakdown.

1. Safety, General Precautions and Basic Bench Fitting

Importance of safety and general precautions required for the trade
Types of services have to be planned
Basic bench fitting
Plumber’s common hand tools – names, description and material from which they are made
Description, types and uses of holding devices, hammers & cold chisels, cutting tools
Description of simple fitting operations: hack sawing, punching and filing
Types of files used commonly
Marking instruments and their use of a simple drilling machine
Method of using drills
Description of simple bench drilling machine
Description of Grinding and Chisel
Description of different types of locking and fastening devices
Thread cutting on metal, studs and pipe fittings

2. Pipes and Pipe Fittings

About different types of pipes – GI, CI, DI, PVC/CPVC, PPR and HDPE, etc.
About Different Types of Pipe Fittings: – Socket, Elbow, Tee, Union, Bend, Cap, Plug, Cross, Ferrule, etc.
About different types of thread cutting
Metric specification of various pipes.
Standard pipe threads.
Description of pipe dies, their uses, care and precaution.
Method employed for bending, joining and fixing PVC pipe.
Joining material for water and gas pipes.
Plumbing symbols and code for tools & materials on water lines.

3. Gas Welding, Soldering and Brazing

Purpose of gas welding
Method of gas welding
Safety precautions to be observed
Methods of soldering and brazing
fluxes used & types of fluxes
precautions to be observed
Hard & soft solders – their properties, composition and uses.

4. Mason’s Works and Building Construction

Names and descriptions of Mason’s hand tools and their uses.
Method of making holes in walls and floors.
Types of tools used and various processes.
Concept of bricks, lime and cement.
Preparation of mortars with various materials of varying composition.
Common brick joints.
Description of bonds.
Scaffolding & plastering.
Define plain cement concrete, RCC and its proportion
Grades of coarse aggregate and fine aggregate
Knowledge of waterproofing compound.
Knowledge of the building plan and cross-section of the wall.
Identify plumbing services required for each type of building according to usage.

5. Cutting and Bending of Pipes

Cutting and Bending of Pipes
Description of plumber tools and equipment: ratchet brace, threading die, pipe wrench, sliding wrench, spanner set, chain wrench, etc., and their safety.
Care & use of tools.
Pipes of different kinds
Method of pipe bending in different diameters.

6. PVC, CPVC, PPR and HDPE Pipe Joining

Joining PVC pipe by heat process or welding
Equipment and tools for hot gas welding and electric hot plate for PPR pipe joints
Different kinds of joints, fittings and materials in joining pipes: PVC/CPVC, PPR and HDPE, etc.
Method of bending, joining and fixing PVC pipe.
Joining material for water and gas pipes.
Use of blow lamp.

7. Water and Its Properties

Composition of Water
Sources of water
Hard & soft water, temporary hardness & permanent hardness.
Impurities of water – organic and inorganic impurities.
Water purification stages and methods.
Static water pressures and measurement of pressures.
Bursting pressure
Expansion of water on freezing and heating.
Bernoulli’s principles
Pascal’s law.
Pressure of water on the sides of the cistern or tank.
Water hammer in pipes.
Description and working of water hammer arrester.

8. Laying and Joining of Pipe Lines

Align and lay humid pipeline
Use of hummed pipes of different sizes.
Method of laying out pipe alignment and joining
Description of various pipe joints – straight, branch, Taft and blow, and expansion joints.
Solders and fluxes used in joints.

9. Electric Pumps and Plumber’s Materials

Installation and maintenance of different electric pumps
Description of plumber’s materials: lead, tin, zinc, solder, copper, red lead, etc., and their uses.
Water supply system of a small town.
Description and types of pumps, viz., suction pump, centrifugal pump, etc.

10. Drainage and Sanitation

Contamination of water in a well.
Construction of inspection chamber, manhole, gutter, septic tank, socket, etc.
Inspection chamber, septic tank, description of drains, cesspools, soak pits, etc.
Types of traps
layout of drainage system
Method of bending pipes by hot and cold process.
Method of testing drainage lines.

11. Repair, Maintenance, Valves and Water Meters

Removal of leakage in pipeline
Method of dismantling and renewal of the valves and pipes.
Leaks in pipes and noises in plumbing.
Installation of water meters.
Air lock in pipes and its removal
Description of cocks & valves – their types, materials & advantages for particular work.
Description of different types of diverts, i.e., two-way and three-way
Sensor system for urinals and washbasins, etc.

12. Rainwater, Drainage and Sanitary Fittings

Erecting a rainwater and drainage pipe system
Installation of sanitary fittings
inspection and testing of the water supply system.
Pipe alignment and slope.
Prevention of water hammer.
Storage tanks for general water supply proposed.
Test for water supply pipes.
Description of sanitary fittings
general points to be observed when choosing sanitary.
Description of concealed flushing cistern.

13. Domestic Drainage System

Domestic drainage system
General layout
one-pipe system
specifications of materials required.
Method of testing leakage.
Different types of traps
ventilation
anti-siphonage and sinks.

14. Fire Hydrants and Fire Safety

About fire hydrants and their fittings

15. Heat, Temperature and Domestic Hot Water System

Concept of heat and temperature.
Method of transmission of heat.
Heating system by different thermal units.
Domestic hot and cold water.
General layout, specification of materials required and connection of pipes to mains.
Tracing leakage.
Repairs to service main.
Domestic boilers and geysers.
Method of ventilating pipe.
Precaution against air poisoning.
Fixing of solar water system
Plumbing and sanitary symbols and plumbing codes for all tools and materials

16. Corrosion and Protection

Corrosion – causes and remedies, prevention.
Corrosion due to electrolytic action.
Effect of water and frost on materials.

17. Plumbing Estimation and Drawing

Layout of pipes as per drawing.
Analysis of quantity measurement and abstract rate of plumbing and sanitary work.
Bill of Quantity and Estimation
Preparation of bill of quantity
Preparation of Estimation.

18. Engineering Drawing

Introduction to Engineering Drawing

Introduction to Engineering Drawing and Drawing Instruments – Conventions
Sizes and layout of drawing sheets
Title Block, its position and content
Drawing Instrument

Free Hand Drawing

Free hand drawing of geometrical figures and blocks with dimensions
Transferring measurement from the given object to the sketches.
Free hand drawing of hand tools and measuring tools.

Geometrical Figures

Drawing of Geometrical Figures:
- Angle
- Triangle
- Circle
- Rectangle
- Square
- Parallelogram

Dimensioning

Reading of dimension and dimensioning practice.

Symbols and Pipe Layout

Symbolic representation – Different symbols and pipe joints used in the trade.
Reading of the layout plan drawing in piping.

19. Unit: Fractions and Basic Mathematics

Unit

Classification of unit system
Fundamental and derived units
F.P.S., C.G.S., M.K.S. and SI units
Measurement units and conversion factors
HCF
LCM and problems

Fractions

Fractions – Addition, subtraction, multiplication & division
Decimal fractions – addition, subtraction, multiplication & division

Basic Calculations

Solving problems by using a calculator
Square root
Ratio and Proportions
Percentage
Square and square root
Simple problems using a calculator
Applications of Pythagoras’ theorem and related problems

Ratio and Proportion

Ratio and proportion
Ratio and proportion – Direct and indirect proportions

Percentage

Percentage – Changing percentage to decimal and fraction

20. Material Science

Types of metals, types of ferrous and non-ferrous metals
Physical and mechanical properties of metals
Properties and uses of insulating materials

21. Mass, Weight, Volume and Density

Mass, Weight, Volume and Density
Mass, volume, density, weight and specific gravity.
Related problems for mass, volume, density, weight and specific gravity.

22. Heat & Temperature and Pressure

Concept of heat and temperature
effects of heat
difference between heat and temperature
boiling point & melting point of different metals and non-metals
Scales of temperature
Celsius
Fahrenheit
kelvin
conversion between scales of temperature

23. Basic Electricity

Introduction and uses of electricity
molecule
atom
how electricity is produced
electric current AC, DC: their comparison
voltage
resistance and their units

24. Mensuration

Area and Perimeter

Area and perimeter of square, rectangle and parallelogram
Area and perimeter of triangles
Area and perimeter of circle, semi-circle, circular ring, sector of circle, hexagon and ellipse

Surface Area and Volume

Surface area and volume of solids – cube, cuboid, cylinder, sphere and hollow cylinder
Finding the lateral surface area, total surface area and capacity in litres of hexagonal, conical and cylindrical shaped vessels

25. Trigonometry

Measurement of angles
Trigonometrical ratios

How to Prepare for the HSSC Plumber Syllabus Exam

Start with the subject-specific block of the HSSC Plumber Syllabus first — it carries the heaviest weightage and is where real differentiation between candidates happens, since general awareness and computer knowledge sections overlap with every other HSSC group. Work through each topic area systematically, and revisit the subject list above every week so nothing slips through before exam day.

Don’t skip the common portion either. Haryana-specific general awareness and basic computer knowledge are easy marks that candidates often under-prepare because they’re focused on the technical syllabus.

Frequently Asked Questions: HSSC Plumber Syllabus

What is the HSSC Plumber Syllabus for Group 41?

The HSSC Plumber Syllabus covers the weighted sections listed above, compiled directly from the official document published by the Haryana Staff Selection Commission.

Is the HSSC Plumber syllabus the same every year?

HSSC updates its syllabus documents periodically, and the weightage listed against each section is explicitly marked tentative by HSSC. Always check hssc.gov.in/examsyllabus for the latest version before you finalise your preparation.

Do I need to clear CET before attempting this exam?

Yes. HSSC recruitment follows the standard two-stage process: you first clear the Common Eligibility Test (CET), then sit for the group-specific written exam that follows the HSSC Plumber Syllabus covered in this guide.

Official Notification and Source

This HSSC Plumber Syllabus is compiled directly from the official Group 41 – Plumber Syllabus published by the Haryana Staff Selection Commission. Always cross-check the latest version and any amendments against the official document before you finalise your preparation.

Download the official syllabus PDF and check current recruitment notices at hssc.gov.in/examsyllabus.

Explore Other HSSC Group Syllabus Guides

This HSSC Plumber Syllabus guide is part of a growing set of subject-wise syllabus posts for every HSSC group. Browse the full set on the HSSC Syllabus tag page or the Syllabus category. For the full HSSC recruitment process, CET details and exam pattern, see the Haryana HSSC guide.

Facebook Page | Telegram Channel