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Read through the material below, then test your understanding.
Module Lessons
Cold Water Systems: Planning & Design
Water Industry Legislation
Notification, Part G & Certification
Multi-Storey Boosting Systems
Large-Scale Cisterns: Design & Materials
Cistern Filling & Control Components
Private Water Supplies: Sources & Storage
Private Water Treatment & Disinfection
Private Supply Pumping
Specialist Cold Water Taps
Shower Pumps & Pressure Control
Fluid Categories & Contamination Risk
Backflow Protection Strategies
Non-Mechanical Backflow Devices
Mechanical Backflow Devices
Backflow Regulations & Guidance
Design Information Sources
Assessing Demand: Flow Rate & Pressure
Pipe Sizing: The Tabular Method
Pipe Sizing: BS EN 806 & Thomas Box Formula
Cistern Capacity & Pump Power Calculations
Accumulator Sizing & Presenting Designs
Fault Diagnosis: Booster Pumps & Backflow Devices
Corrosion Faults: Electrolytic & Blue Water
Commissioning Standards & Regulations
Soundness Testing: Planning & Preparation
Disinfection: Types, Process & Capacity
Disinfection: Testing & Flushing
Commissioning Records, Defects & Certification
Maintenance Types & Legionella Control
Lesson Overview
This lesson covers the selection, pipework configuration, and operational requirements of domestic shower booster pumps, pressure reducing valves, and hydraulic shock arrestors.
Learning Objectives
Distinguish between single and twin impeller pumps and positive versus negative head configurations.
Identify correct cylinder connections and anti-aeration methods to prevent shower pump cavitation.
Explain the operating principles of pressure reducing valves and water hammer shock arrestors.
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