Boilers: Common Problems, Repairs, and Energy Saving Tips

BOILERS: Common Problems, Repairs, and Energy Saving Tips Common Boiler Problems and Causes Common Problems Common Causes Thermostat Installed where drafts or heat affect reading Rapid Cycling - burner turns on and off frequently Heat anticipator in thermostat adjusted incorrectly Incorrect limit setting 68° Need to frequently add makeup water Leaks in boiler piping Mineral deposits in sections due to constant use of make-up water, or incorrect pH Popping or ercolating noise heard in boiler Black water condition Oxygen corrosion due to leaks in piping Frequent release of water through relief valve Expansion tank sized too small or water-logged Contaminated Metal flakes found in flueway combustion air supply Condensation of combustion gases Air in system Some radiators or baseboard units do not heat or are noisy Low system pressure High limit set too low Mineral deposits insulate internal waterways of heater. Domestic water from tankless heater is hot then suddenly turns cold or is always lukewarm Boiler stop-leak compound has been added to boiler water STOP-LEAK and is insulating outside of coil Incorrect mixing valve setting for tankless heater. Boiler Repairs, Replacement and Maintenance Domestic flow rate too high Incorrect setting on tankless heater control SERVICING AND MAINTENANCE IMPORTANT NOTES JOB: Power flush standard gas central heating system Replacing a boiler takes around one day Most manufactureRs Recommend power DETAILS: Based on a three-bed semi-detached house with 10 radiators. Includes labour and all chemicals DAY DAY flushing the system when fitting a new boiler which is likely an additional day and equipment needed AVE. PRICE: £375 PRICE RANGE: £330-£450 AVE. COMPLETION TIME: 1 DAY It's a false economy to use cheap TRVS JOB: Carry out an annual service on a standard combi gas boiler Replacement fan for combi boiler usually involve two Visits. DETAILS: n/a The first to diagnose the problem and a second to return with CORRect part and fit AVE. PRICE: £60 PRICE RANGE: £53-£72 AVE. COMPLETION TIME: 1-1.5 HOURS DAY 1 DAY 2 V Diagnose JOB: Carry out an annual service on a living room gas fire Bring part DETAILS: n/a Fit AVE. PRICE: £60 PRICE RANGE: £50-£68 AVE. COMPLETION TIME: 1-1.5 HOURS Did You Know? Energy Saving Tips for Boilers 15vears -1°C If the boiler is over 15 years then it may be G rated, switching to an A rated boiler could save £235 on the heating bill Reducing the settings on the thermostat by 1 degree Celsius can reduce fuel consumption by up to 10% Around 30% of the heat loss from the property is through the roof. This could save around £175 per year Cavity wall insulation acts as a blanket to help stop heat from escaping through the walls. This could help save up to £135 per year Is the radiator situated underneath a window? The performance will be affected if the curtains are draping over the radiator RESOURCES: http://www.mrboilerrepairs.co.uk/energy-saving-tips MAJESTIC http://weil-mclain.com/en/assets/pdf/wgo_boiler_manual.pdf http://local.which.co.uk/advice/cost-priceinformation-boiler-repair-central-heating SERVICES www.boilerrepairshackney.net