Plumber's Hub

Plumber's Training Deck

This training pack is designed to equip plumbers with practical knowledge and skills to correctly install, maintain, and troubleshoot water storage and distribution systems within households, institutions and community projects.

The goal is to improve service quality, safety, and the long-term performance of AquaSanTec products.

By the end of this training, participants should be able to:

  • Understand basic WASH (Water, Sanitation & Hygiene) principles
  • Install water storage tanks correctly and safely
  • Identify common plumbing installation errors and resolve them
  • Ensure safe water flow into households and institutions
  • Advise customers on proper maintenance practices
  • Water must be stored in clean, safe and covered systems
  • Contamination often occurs during storage and handling
  • Proper drainage and overflow systems prevent damage and hygiene risks
  • Access to safe water improves health outcomes and productivity
4.1 Site Preparation
  • Ensure a flat, stable and level base
  • The base must be wider than the tank diameter
  • Avoid soft soil or uneven surfaces
4.2 Tank Placement
  • Handle tanks carefully to avoid damage
  • Position inlet, outlet, and overflow correctly
  • Ensure the tank is fully supported at the base
4.3 Pipe Connections
  • Use correct pipe sizes and fittings
  • Seal all joints properly to avoid leakage
  • Use flexible connectors where movement may occur
4.4 Overflow System
  • Always install an overflow outlet
  • Direct overflow water away from foundations
  • Placing tanks on uneven or weak bases
  • Improper sealing leading to leaks
  • Missing overflow outlets
  • Incorrect pipe alignment causing backflow
  • Over-tightening fittings leading to cracks
  • Clean tanks periodically to prevent contamination
  • Inspect pipes for leaks or blockag
  • Ensure lids are always closed
  • Check base stability over time
Plumbers should advise clients to:
  • Store water in covered tanks only
  • Avoid exposing tanks to direct damage or heavy impact
  • Schedule regular inspections
  • Use safe water handling practices
  • Always use proper tools during installation
  • Avoid working alone on heavy installations
  • Wear protective gear where necessary
  • Ensure safe lifting techniques
  • Confirm installation site before delivery
  • Communicate clearly with customers
  • Take photos before and after installation
  • Ensure customer sign-off after completion
Plumbers play a critical role in ensuring safe and reliable water access. Quality installation directly impacts health, safety, and daily life within communities.

OUR MANUFACTURING TECHNOLOGY

What is Roto Molding?

Rotational molding (commonly known as roto molding) is a plastic manufacturing process used to create hollow, one-piece plastic products.

Unlike injection or blow molding, roto molding uses heat and dual-axis rotation rather than high pressure to form the final product.

The 4-Step Process

Charging (Loading)

A measured amount of polymer powder, usually polyethylene, is loaded into a hollow mold.

Heating (Curing)

The mold is closed and moved into a large oven where it rotates continuously on two perpendicular axes. As the mold heats up, the powder melts and coats the inner wall uniformly.

Cooling

While still rotating, the mold moves into a cooling chamber where air or water mist solidifies the plastic into its final shape.

Demolding (Unloading)

The mold is opened and the finished hollow product is removed.

The 4-Step Process

Charging (Loading)

A measured amount of polymer powder, usually polyethylene, is loaded into a hollow mold.

Heating (Curing)

The mold is closed and moved into a large oven where it rotates continuously on two perpendicular axes. As the mold heats up, the powder melts and coats the inner wall uniformly.

Cooling

While still rotating, the mold moves into a cooling chamber where air or water mist solidifies the plastic into its final shape.

Demolding (Unloading)

The mold is opened and the finished hollow product is removed.

Key Advantages of Roto Molding

Stress-Free Parts

Because the process does not use high pressure, the molded plastic has virtually no residual stress, making the products highly durable and crack-resistant.

Uniform Wall Thickness

Continuous rotation ensures even material distribution, naturally reinforcing corners and critical stress points.

Low Tooling Costs

Roto molds operate under low pressure and can be manufactured using cost-effective materials such as aluminum, reducing tooling costs significantly.

Complex & Seamless Designs

The process accommodates complex shapes, molded inserts, handles, threaded fittings, and double-wall constructions without seams or welds.

Water Tank Installation Guide

Recommended Installation Guidelines

  • Stand the tank on a fully supported flat base with no gaps.
  • Drill inlet and outlet connections only at specified locations.
  • Always provide an overflow and proper drainage away from the tank base.
  • Replace outlet rubber washers every two years.
  • Use flexible pipes for interconnections where necessary.
  • Ensure installation is done on a completely flat surface.

Installation Precautions

  • Do not make holes using a hot rod.
  • Do not leave gaps between planks if using a wooden base.
  • Do not use blocks with spaces as a tank base.
  • Do not place stones or wood beneath the tank base.

Maintenance Guidelines For Roto Plastic Water Tanks

Proper maintenance of roto moulded plastic water tanks improves product life, hygiene, customer satisfaction, and reduces warranty complaints.
1. Regular Cleaning Schedule
  • Do not drag tanks on rough surfaces.
  • Do not install tanks on uneven ground.
  • Do not expose empty tanks to excessive heat for long periods.
  • Avoid chemical storage unless the tank grade is approved.
  • Do not overtighten fittings, as this may crack the threaded area.
  1. Empty the tank completely.
  2. Remove dirt and sludge manually.
  3. Wash inside walls using a soft brush or cloth.
  4. Use a mild chlorine solution for disinfection.
  5. Rinse thoroughly with clean water.
  6. Close the lid properly after cleaning.
  • Keep the tank lid tightly closed.
  • Install the tank on a flat, strong, and level platform.
  • Use proper support structures for large tanks.
  • Protect tanks from sharp objects and mechanical damage.
  • Ensure overflow and vent pipes are properly fitted.
  • Maintain proper inlet and outlet tightening to avoid leakage.
  • Do not drag tanks on rough surfaces.
  • Do not install tanks on uneven ground.
  • Do not expose empty tanks to excessive heat for long periods.
  • Avoid chemical storage unless the tank grade is approved.
  • Do not overtighten fittings, as this may crack the threaded area.