These are some problems caused by not cleaning the system.
Blocked pipe work, sludge.
Sludge out of pipe.
Pump blockage.
Another blocked pump.
All our systems are Jet Flushed before the new boilers are installed; as the old sludge in the system will seriously decrease the life span of the boiler and its components.
Without Jet Flushing it invalidates the guarantee and make the boiler less efficient.
New boiler installations.

Boiler flue through wall cut with diamond drill ready for cementing.

Boiler in kitchen-dining room

Boiler installed in airing cupboard.

Flue terminal out through garage wall.

Boiler installed in storage space above office.

Boiler in garage.

Boiler in garage.

Boiler in airing cupboard.

Oil condensing boiler in utility.

Boiler in airing cupboard.

Oil condensing combination boiler.
Boiler being checked with gas flue analyser.