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Flushing & Protection

 

Approximately 87% of boiler breakdown emergency call outs are to heating systems without correct water treatment. Chemical cleaning a dirty central heating system can save up to £142 a year on gas utility bills. An inefficient traditional central heating system can increase a fuel bill by up to 35%.

 

If a heating system is not properly cleaned, protected and maintained with high quality water treatment, the savings offered by energy efficient boilers can quickly disappear. A clean heating system uses less fuel to produce heat, which means it costs less money to run.

Corrosion deposits in an older central heating system can cause an average 15% reduction in radiator performance. Cleaning a dirty central heating system can save up to £142 a year on gas utility bills. Approximately 87% of boiler breakdown emergency call outs are to heating systems without correct water treatment.

Central heating systems consist of metal pipes and radiators, and when water comes into contact with metal, corrosion will occur. All central heating systems suffer from sludge deposits caused by metal corrosion. Magnetite sludge build up can begin almost immediately a system is turned on for the first time.

These sludge deposits flow continuously during system operation, causing damage on the inside of radiators, pipework, pumps, valves and the heat exchanger in the boiler, which heats the water that flows through it. This will result in a call out to a heating installer to sort it out, the need to replace the heat exchanger or the boiler completely.

A dirty system will lead to higher running costs and a boiler requiring repair or replacement sooner than it should. Boiler repairs caused by lack of system cleaning and protection could cost hundreds of pounds. Replacing a blocked pump £300, or a blocked heat exchanger £350.

If the boiler or radiators are blocked with sludge or debris, the boiler has to work harder using more gas meaning radiators take longer to heat up and warm the house. This causes you increased fuel bills as the system will take much longer to heat a room. An inefficient traditional central heating system can increase a fuel bill by up to 35%.

A 2% efficiency loss can be caused by limescale deposits from the initial fill water and top-up water. Tests have proven that without the use of an inhibitor, a system can lose over 6% efficiency in just three weeks. Only 1.6mm of limescale in a heating system can cause a 12% loss in heat transfer from gas to water.

In a new installation where water treatment has not been used, the benefits of a new boiler will begin to decrease within days of installation as the black magnetite sludge starts to circulate. You certainly won’t benefit from the stated efficiency claimed by the brand new boiler. An A rated boiler could have a true operating efficiency reduced down to a B rated boiler because of sludge contamination.