​​​ ​​ Combi-Care-costly-mistake - BWT Best Water Technology 

Overlooking Combi-Care could be a costly mistake

10.9.2014 8:00   Buckinghamshire

Fitted as standard over many years by professional Installers, the Combi-Care polyphosphate dosing system not only protects the central heating boiler from scale and corrosion but also provides a regular recurring revenue stream when its long life cartridge is changed as part of an annual service visit. Despite its popularity amongst established users, feedback has highlighted a misconception amongst some Installers who believe a Combi-Care and a System Filter both do a similar job and by fitting either one they will fulfil their obligation under part L of the building regulations.


Whilst system filters are useful in protecting the boiler and its ancillaries from magnetic and non-magnetic contaminants, on their own they offer no protection against the effects of limescale or corrosion. The Combi-Care on the other hand, is just the opposite and is designed to deliver a whole years protection from the easily replaced long life cartridge.


System filters use a variety of methods to remove the particles held in suspension in the water, whereas the Combi-Care uses a minute amount of polyphosphate accurately dosed into the system; this type of system is among the most popular of physical scale reducers treating water before it is heated in the central heating boiler. The system works by sequestering the calcium in the water and prevents it forming scale on the heat exchanger. The Combi-Care popularity amongst Installers is enhanced by its broad operating range and will work effectively on 15mm and 22mm supply with flow rates up to 54 litres per minute.


Overlooking the fitting of a Combi-Care for any reason, whether through confusion or by choice can be a costly mistake. At an operational level, leaving the boiler exposed to the effects of limescale and corrosion, will possibly lead to poor performance or premature failure, but on a business level, Installers simply will miss an opportunity to increase the profitability of their annual Cartridge change service visit.


For more information, please contact: Angélica Castañeda BWT House, The Gateway Centre, Coronation Road, High Wycombe, Buckinghamshire, HP12 3SU. Phone: 01494 838100 Fax:01494 838101

E-Mail: AngelicaCastaneda@bwt-uk.co.uk