Cold Water
Direct (mains) vs indirect (cistern): pros, cons, and design notes.
Pro
cold water systems: advantages and disadvantagescold water: pipe types & typical sizes in dwellingscold water systems: working principles, positioning, fixing and operationcold water systems: working principles (part 2) — components & connectionscold water systems: taps, outlets & valves (working principles — part 3)cold water systems: isolation & drain valves (working principles — part 4)cold water systems: float valves, meters & showers (part 5)cold water systems: water treatment, cisterns & boosted components (part 6)cold water: protected plastic cisterns — layout & installationcold water: backflow risks, air gaps & devicescold water: info sources for testing & commissioningcold water: fill & vent the system + visual pre-test checkscold water: flushing, disinfection & additives (PD 855468 overview)cold water systems: decommissioning (temporary & permanent)
14 lessons
Start moduleHot Water
Cylinders, controls, safety devices, and performance.
Pro
hot water systems: advantages and disadvantageshot water: materials & typical pipe sizes (domestic)hot water: cylinders & componentshot water: insulation, pipe fixing & thermal expansionhot water: unvented components, safety controls & discharge pipeworkhot water: secondary circulation & trace heatinghot water: key sources of information & regulationshot water: installing systems (showers, pipework & cylinders)
8 lessons
Start moduleCentral Heating
Heat sources, emitters, controls, and system layouts.
Pro
central heating: one-pipe, two-pipe & c plan (overview, pros & cons)central heating: fully pumped & zoned systems (y-plan, w-plan, s-plan, sealed, combi, microbore & underfloor)central heating: warm air, electric storage & district heatingcentral heating: typical pipe sizes (dwellings)central heating: components (part 1) — TRVs, AAVs, filling loops, gauges, F&E, pumps & additivescentral heating: low loss headers & buffer tankscentral heating: components (part 3) — PRVs, expansion joints, filters, vessels & automatic bypasscentral heating: controls — motorised valves, programmers & thermostatscentral heating: heat emitters — panels, columns, LST, fan convectors, plinth heaters & towel warmerscentral heating: underfloor heating (UFH) components
10 lessons
Start moduleScientific Principles
Pressure, flow, heat transfer, and materials for plumbers.
Pro
Scientific Principles: Basic Properties of GasesScientific Principles: Celsius and Kelvin Temperature ScalesScientific Principles: Changes of StateScientific Principles: Latent vs Sensible HeatScientific Principles: Methods of Heat TransferScientific Principles: Energy, Heat and Power — Units & RelationshipsScientific Principles: Heat, Energy and Power CalculationsScientific Principles: SI-Derived Units for Force and PressureScientific Principles: Pressure & Flow-rate UnitsScientific Principles: Applying Pressure and Flow MeasurementsScientific Principles: Simple Force & Pressure CalculationsScientific Principles: Velocity, Pressure and Flow RateScientific Principles: How Restrictions Affect FlowScientific Principles: Principles of a SiphonScientific Principles: Basic Electron Flow TheoryScientific Principles: Simple Electrical Measurements (V, I, R & Power)Scientific Principles: Ohm’s Law — Simple Electrical Calculations (Part 1)Scientific Principles: Ohm’s Law — Series & Parallel (Part 2)Scientific Principles: Earthing & Bonding Basics
19 lessons
Start moduleSanitation
Traps, waste systems, ventilation, and hygiene.
Pro
Lessons coming soon
0 lessons
Rainwater
Gutters, downpipes, capacity, and discharge.
Pro
Lessons coming soon
0 lessons