Tips and hints from your Surrey plumber and heating engineer
Sunday 2 June 2013
Treat it right !
If a central heating system is not chemically treated and maintained properly, it will suffer from a build-up of sludge and limescale.The sludge is iron oxide formed through electrolytic corrosion and can seriously effect the heat transfer efficiency of the system.
Corrosion causes !
Rapid corrosion can be caused by aeration of circulating water. Hydrogen is produced in many untreated heating systems as a result of corrosion. An inhibitor prevents corrosion and the formation of any hydrogen and bacterial gases. Bear in mind that not even water treatment can compensate for an incorrectly designed open-vent heating system.if the design is incorrect, hydraulic imbalance can occur, which can adversely affect the system's efficiency. See-sawing is one of overcoming this, where water is pumped up the feed and expansion pipe.
Call www.dpmheatingplumbing.com - your local Surrey Plumbers and Heating engineers for a quote today on power flushing your central heating system.
Sunday 19 May 2013
Summer is here ... nearly .... !
From descaling your kettle to bleeding your radiators, regular servicing is an important part of maintaining your household appliances, and never more so than when it comes to your boiler.
Follow this checklist and you’ll be well on your way to making sure your boiler is properly maintained.
1. First up, most boiler engineers recommend annual servicing as being adequate for the majority of household boilers. The professional doing the boiler service should be Gas Safe Registered.
2. The service should start with a visual check that establishes that the boiler, its installation and its positioning, comply with the rules laid out in building regulations, electrical regulations, gas-safety regulations, water by-laws, installation instructions and British Standards. All must comply with present legislation.
3. The next part of the boiler service is the pre-service check. To do this the engineer will fire the boiler, check the its basic operation and identify any initial faults.
4. The casing should then be removed (something you, as the householder, should never do yourself). At this point the main components will be examined to see they are clean and free from damage. These components include the main burner, the main injector, the heat exchanger, condense trap, the spark centre probe and the seals and fans. Also part of this section of the boiler service is the checking of all electrics for overheating, the cleaning of all inside surfaces, inspecting all pipe work (water & gas) and joints, and very importantly, making sure the flue terminal is unobstructed.
5. Next, the gas valve should be checked with a flue gas analyser to make sure the boiler is combusting properly.
6. If any of these tests show a fault, the engineer should inform you of any additional costs that the repairs will incur. It is widely recommended that the parts are only replaced with those also made by the manufacturer of the boiler, to ensure that they’re compatible.
7. Next, the engineer should carry out a gas-tightness test to establish if there are any leaks in the system.
8. The casing of the boiler should then be carefully replaced.
9. If you are unsure about the length of time that your boiler service should take, most experts state that a basic service will last around half an hour.
10. The final step is the service report. This is your chance to compare what the engineer has stated they have done, with what has actually been completed. Only sign-off the report if you are satisfied with the work done compared to the checklist. www.dpmheatingplumbing.com
Follow this checklist and you’ll be well on your way to making sure your boiler is properly maintained.
1. First up, most boiler engineers recommend annual servicing as being adequate for the majority of household boilers. The professional doing the boiler service should be Gas Safe Registered.
2. The service should start with a visual check that establishes that the boiler, its installation and its positioning, comply with the rules laid out in building regulations, electrical regulations, gas-safety regulations, water by-laws, installation instructions and British Standards. All must comply with present legislation.
3. The next part of the boiler service is the pre-service check. To do this the engineer will fire the boiler, check the its basic operation and identify any initial faults.
4. The casing should then be removed (something you, as the householder, should never do yourself). At this point the main components will be examined to see they are clean and free from damage. These components include the main burner, the main injector, the heat exchanger, condense trap, the spark centre probe and the seals and fans. Also part of this section of the boiler service is the checking of all electrics for overheating, the cleaning of all inside surfaces, inspecting all pipe work (water & gas) and joints, and very importantly, making sure the flue terminal is unobstructed.
5. Next, the gas valve should be checked with a flue gas analyser to make sure the boiler is combusting properly.
6. If any of these tests show a fault, the engineer should inform you of any additional costs that the repairs will incur. It is widely recommended that the parts are only replaced with those also made by the manufacturer of the boiler, to ensure that they’re compatible.
7. Next, the engineer should carry out a gas-tightness test to establish if there are any leaks in the system.
8. The casing of the boiler should then be carefully replaced.
9. If you are unsure about the length of time that your boiler service should take, most experts state that a basic service will last around half an hour.
10. The final step is the service report. This is your chance to compare what the engineer has stated they have done, with what has actually been completed. Only sign-off the report if you are satisfied with the work done compared to the checklist. www.dpmheatingplumbing.com
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