Central Heating Service and Boiler Repair
24 Hours Call Out
Tel: 0845 519 4652
I recommend this
company very highly.
They recently installed a
new combi gas boiler in
my property and from
first contact to the end of
the job they were first
rate in every respect:
A friendly, polite, helpful
and professional attitude.
Gas engineer James
was very professional
and flexible at the
estimating stage and
carried out the boiler
installation with good
The installation was
thoroughly tested and
proved, and the site was
left in a tidy condition.
Altogether an excellent
Peter, Finchley Road
If you are experiences any of the following symptoms then the chances are your
central heating system is in need of a forced cleaning process commonly known as
Heating system slow to warm up
Combination boilers being unable to deliver constant hot water
Unusual system or boiler noises
Repeated pump failure
Radiators need frequent bleeding
Radiator water black with iron oxide sludge
Power flushing is a highly effective cleansing operation which works by pumping water
at a much higher velocity than usual through the heating system, to loosen and
immobilize harmful corrosion deposits and suspend them in the rapidly moving water.
The process is made more effective by specialist cleansing chemicals and an
instantaneous flow reversal device which creates turbulence in the radiators to
optimize “pick up”.
Once loosened, the unwanted debris is purged from the system with clean
water. At the end of the flushing process the system contains fresh clean
water, and reinstatement of the system to normal operation takes only a few minutes.
During the process, radiators are individually flushed without removing or
disconnecting them from the system by directing the full output of the pump
through each radiator separately.
The objective is to restore systems with circulation and boiler noise problems
(caused by sludge and corrosion deposits) to optimum operation. Power
flushing removes these deposits and the problems that
The Boiler Doctor uses the latest equipment and chemicals to restore your
heating system. We constantly analyze the system before, during and after
the cleaning ensuring the process was successful.
Under part L of the Building Regulations Power Flushing should also be carried
out to all new systems and before fitting a new boiler, it is important when installing new
boilers into old systems that all the sludge is first removed from the system or this
could accumulate in the new boiler and lead to premature failure.
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WC2 Strand, W11 Notting Hill, W6 Hammersmith, WC2 Covent Garde, SW1 St.James's, SW1 Westminister, SW1 Victoria, SW1 Belgravia,
SW1 Knightbridge, SW1Chelsea, SW1 South Kensington, SW1 Sloane Square, SW11 Battersea, SW5 Earl's Court, SW3 Chelsea,
W10 North Kensigton, W11 Holland Park, W14 West Kensigton, W12 Shepherds,s Bush, SW6 Fulham, SW10 West Brompton, NW3 Finchley Road,
NW8 St.John's Wood, HP3 Hemel Hempstea, SW7 South Kensigton