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Central Heating

Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Pipework

Pipework Systems

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Maintenance

Commissioning

Heating system water analysis

Servicing

Controls

Circulating Pump

Heating System Controls

Minimum Requirements

Room Thermostats

Regulations

Regulations

Heat Emitters

Heat Loss Calculation

Radiator Sizing

Types

Pipework

Fully Pumped Hot Water and Central Heating

Gravity Hot Water and Pumped Central Heating

Gravity System

Open-vented System

Pipework Sizing

Pipework Systems

Sealed Systems

System Layout

Underfloor Heating

Boilers

Boiler Sizing

Flue Types

Gas Boilers

Heat Pumps

Oil Fired Boilers

SEDBUK Rating

Solid Fuel Boilers

One Pipe System

One Pipe System

  • A single pipe runs to all the radiators and returns to the boiler
  • The rads have to be increased in size
  • The water in the final radiators cooler than in the first
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Two Pipe System

Two Pipe System

  • The hot water is distributed more evenly to the radiators
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Two Pipe Reverse Return

Two Pipe Reverse Return

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Micro Bore

Micro Bore System

  • 15/22mm pipework runs to a manifold
  • 6/8mm pipe is then run to each radiator connected to Twin Entry Radiator Valve
  • Twin entry radiator valve:
    Twin entry radiator valve
< Go Back2013-04-19