Sealed Heating Systems

This type of system uses a diaphragm or membrane tank together with a safety valve and pressure gauge, instead of the conventional open system using an F & E tank and open vent. The sealed system can be used on both smallbore and microbore systems. It is sometimes called a pressurised sys- tem, which means … Read more

Installing Flues In Residential Properties

Without a flue or chimney, normally brick built, your boiler would not function, but unless they are designed and installed correctly, chimneys lead to condensation. All fuels produce gases and water vapour when burnt. A chimney provides a safe means of carrying away these gases. The hot flue gases and vapour rise because they are … Read more

Planning A Heating System Yourself

To design and install central heating may seem a daunting task, but it can be made reasonably straightforward if kept to a basic system. There are a number of different types of heating systems. Only a competent handyman should think of designing and installing his own system, but many other people would like to understand … Read more

Economical Heating Systems

Better to be warm but undecorated and unfurnished, than look fantastic and feel cold. Central heating is expensive, disruptive and complex to install, but it is a good investment and an excellent solution to heating problems. There are many different heating systems to choose from. Basically, the categories are: a fire with or without back … Read more

Painting a Radiator

Popular colours for radiators vary from generation to generation. The first radiators installed in public buildings were generally matt black, because it was then believed that a rough black finish allowed heat to pass from the system to the surrounding air quickly. When well-breeched householders first adopted central heat- ing at the turn of the … Read more

Types of Radiator

Radiators are made of cast iron, which is cheapest; pressed steel, which is lighter than cast iron; and aluminium, which is lighter still and does not build up so many deposits inside. Like almost everything else in life designs are dictated by fashion: Column and hospital radiators. The traditional type. Take up little room because … Read more

Types of Fuel For Home Heating

Consider the following points when making your choice of a central heating system: (i) What can be afforded for the initial installation and, even more important, for subsequent running costs? (ii) What are your heating requirements, full, background, partial or selective? This will be controlled by the size of the house, your living habits, size … Read more

The Efficiency of Different Fuels

Basic energy units The electrical and mechanical energy we use daily for heating is measured in many ways but I will ignore all those British Thermal Units, horsepower and therms, and deal instead in kilowatt-hours (kWh). To be scientifically correct all measurements of energy should be in Joules, Kilojoules, Megajoules and Gigajoules. But we are … Read more

Main Types Of Heating Appliances

Heating appliances fall broadly into two categories: boilers and power units that provide full or partial central heating and fixed or portable appliances, of which there is a wide variety, that can be used almost anywhere in the house either independently or to supplement the central heating. Electric heaters. Storage radiators and storage fan heaters … Read more

Different Types Of Heating Systems Explained

Full central heating involves heating the whole of the house to a required temperature and maintaining that temperature irrespective of how cold it is outside the house. Since the boiler or central heating unit and the distribution equipment must have sufficient capacity to meet extreme outdoor conditions, the running costs of full central heating are … Read more

Central Heating Boiler And Pump Problems

central heating boiler problems

BOILER AND PUMP FAULTS A faulty circulation pump may result in cold radiators, over heating or excessive noise. 1. You can tell if a pump is running by switching the programmer to ‘constant’ and holding a screwdriver to it, like a stethoscope: if you hear a noise, suspect some other fault — like an airlock; … Read more

Commissioning A Central Heating System

central heating control system

Commissioning a central heating system simply means getting the system working for the first time, and naturally you’ll be keen to feel your heating working. But don’t let that prevent you from taking care over this important final stage. The first step in commissioning is to fill the system so that you can check for … Read more

How To Use Microbore Pipe For Central Heating

how to use microbore pipe

WORKING WITH MICROBORE PIPE Flexible microbore pipe can be easier to work with than conventional rigid copper tube. But only if you know how to handle it. To cut it, use a junior hacksaw. Ream out the inside carefully — you cannot afford to make the diameter any smaller than it already is. It is … Read more

Installing A Central Heating Control System

central heating control system

HEATING CONTROL SYSTEM AND WIRING Central Heating Control systems can get complicated — the easiest way to deal with them is to buy a packaged system, and follow the instructions. Even the simple system of programmer and ram thermostat described here can involve fairly complicated wiring runs, with many joints. The packaged systems usually come … Read more

How To Connect Up Radiators

connecting radiators

CONNECTING UP RADIATORS Though technically one of the easier jobs of DIY central heating installation — if you have done any plumbing previously — connecting the radiators to the boiler involves a great amount of upheaval in every room in the house. Plan the order in which you fix the pipework to the radiators so … Read more

How To Install A Central Heating Cylinder

how to install a central heating cylinder

INSTALLING A CYLINDER You will almost certainly want to install a new hot water cylinder along with your central heating system. For one thing. You will need one with an indirect heating element in it, and if you don’t have central heating at present, your current water cylinder is likely to be of the direct … Read more

How To Fit A Central Heating Pump

central heating pump

FITTING THE PUMP Either your first or second section of radiator pipework — the pipes that run from the boiler to the radiators — will take you up to the position of the pump specified on your plans. Fitting this requires some care. Pumps come with two fittings, one for each end. These are different … Read more

How To Install Cisterns – DIY Central Heating Tips

central heating cistern

INSTALLING CISTERNS Most modern cisterns are made of plastic and must be supported on a sturdy, continuous surface, such as chipboard or floorboards laid close together. If you want to raise the height of a cistern, make sure that the platform you build is also sturdy, especially for a cold water cistern which is large … Read more