System Protection Trade Essentials

This section contains our range of System Protection fluids. These are used for the general maintenance of your heating system and range from power flushing chemicals (used to clean out the system) to Inhibitor (used to help protect the system from limescale and corrosion). They are usually available as a pour in liquid or as an aerosol can.

SENTINEL INTERNAL LEAK SEALER 1LTR PS

SENTINEL INTERNAL LEAK SEALER 1LTR PS

Part No: 2300020 / MPN: ls-12x1l-gb

£11.42 inc VAT

In stock - Next day delivery available

FERN 62422 LEAK SEALER F4 EXPRESS AEROSOL (400ML)

FERN 62422 LEAK SEALER F4 EXPRESS AEROSOL (400ML)

Part No: 3500050 / MPN: 62422

£42.88 inc VAT

In stock - Next day delivery available

INTERPART INP0079 INHIBITOR 1LTR

INTERPART INP0079 INHIBITOR 1LTR

Part No: 1190000 / MPN: INP0079

£8.03 inc VAT

In stock - Next day delivery available

IDEAL 176016 15MM ELECTROLYTIC INLINE SCALE INHIBITOR

IDEAL 176016 15MM ELECTROLYTIC INLINE SCALE INHIBITOR

Part No: 4400000 / MPN: 176016

£84.00 inc VAT

In stock - Next day delivery available

SENTINEL SYSTEM INHIBITOR X100 1 LITRE

SENTINEL SYSTEM INHIBITOR X100 1 LITRE

Part No: 1930006 / MPN: SX100

£20.41 inc VAT

In stock - Next day delivery available

SALUS MD22A MAGNETIC FILTER

SALUS MD22A MAGNETIC FILTER

Part No: 5180058 / MPN: MD22A

£78.00 inc VAT

In stock - Next day delivery available

SENTINEL X800 JETFLO POWERFLUSH CLEANSER

SENTINEL X800 JETFLO POWERFLUSH CLEANSER

Part No: 2300002 / MPN: X800L-12X1L-GB

£23.03 inc VAT

In stock - Next day delivery available

SENTINEL RAPID DOSE LEAK SEALER LS_RD-12X400ML-G

SENTINEL RAPID DOSE LEAK SEALER LS_RD-12X400ML-G

Part No: 2300010 / MPN: LS_RD-12X400ML-G

£22.92 inc VAT

In stock - Next day delivery available

FERNOX 56603 LEAK SEALER F4 (500ML)

FERNOX 56603 LEAK SEALER F4 (500ML)

Part No: 3500006 / MPN: 56603

£24.41 inc VAT

In stock - Next day delivery available

FERNOX 56599 PROTECTOR F1 LIQUID (500ML)

FERNOX 56599 PROTECTOR F1 LIQUID (500ML)

Part No: 3500000 / MPN: 56599

£31.46 inc VAT

In stock - Next day delivery available

SENTINEL X700 SANITISER AND BIOCIDE

SENTINEL X700 SANITISER AND BIOCIDE

Part No: 2300034 / MPN: X700L-12X1L-GB

£51.06 inc VAT

Available in 5-7 working days

FERNOX 56602 BOILER NOISE SILENCER F2 (500ML)

FERNOX 56602 BOILER NOISE SILENCER F2 (500ML)

Part No: 3500002 / MPN: 56602

£27.66 inc VAT

Available in 5-7 working days

FERNOX 62418 PROTECTOR F1 EXPRESS (400ML)

FERNOX 62418 PROTECTOR F1 EXPRESS (400ML)

Part No: 3500052 / MPN: 62418

£25.36 inc VAT

Available in 5-7 working days

FERN 62486 POWER FLUSHING CLEANER F5 (500ML)

FERN 62486 POWER FLUSHING CLEANER F5 (500ML)

Part No: 3500019 / MPN: 62486

£27.49 inc VAT

Available in 5-7 working days

SENTINEL RAPID DOSE X400 SLUDGE REMOVER

SENTINEL RAPID DOSE X400 SLUDGE REMOVER

Part No: 2300008 / MPN: X400RD-12X400ML-

£22.60 inc VAT

In stock - Next day delivery available

62 products found

What can Direct Heating Spares do for me?

DHS is one of the largest suppliers of heating supplies and boiler spares. We aim to help you restore your central heating system and boiler to full working order by only supplying high quality components produced by the manufacturers. We give our customers a quick and efficent delivery service with options available including delivery as early as 9:30am or click and collect to one of 3,000 collection points Our distribution centre holds over 20,000 boiler and heating spares all ready to be delivered to your door and if we don't stock the part you need we will get the part ordered from the manufacturer for you Can't find the part you need? Why not give our UK based contact centre a call and a member of our sales team will be able to help you find the part you require