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Boiler types
New boiler?

New boiler cost?

Condensing boilers
Combi boilers
Boilers in which I specialise
Older boilers - worth fixing?
Boiler servicing
Expected life of a boiler
The boiler temp control

What is "SEDBUK"?

Boiler descaling
The Powerflushing MYTH

Asbestos risk in boilers

Concealed flue duct risk
Boiler Reviews


Central heating:

How does it work?
Pipework layouts
Open-vented or sealed?
Thermostatic valves
Warm air heating

Unusual boilers:
PulsaCoil, BoilerMate
  & other thermal stores
Electric 'flow boilers'

Range & Potterton PowerMax

Ideal iStor
GEC Nightstor


Hot water:
Four types of HW system




Avoiding the rogues
Plumbers not turning up
Building Regulations
Common faults
Dangerous appliances
Mains hot water
DIY gas work
The Gas Regulations
Plumber or Heating Engineer?
Boilers in lofts




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The Building Regulations 2001 

The Building Regulations (Part L) now govern the installation of both new and replacement boilers. 

In summary, a minimum level of efficiency has been set for boilers (in terms of the proportion of useful heat energy extracted from the gas), and time and temperature controls must be installed with an interlock to positively shut down the boiler when demand is satisfied or turned off. Sleeping areas must also have separate temperature control from the living areas.

Further requirements are that boilers are commissioned in accordance with the manufacturer's instructions (which usually specify cleansing of the pipework and radiator system), and the BenchMark log book is completed to confirm compliance with the regulations and left with the customer.

Detailed information about Part L of the Building Regulations 2001 is available in an Acrobat (pdf) document here

(The Acrobat document viewer can be downloaded from here.)






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