Order on 0330 123 3707
Order Line
0330 123 3707
next day delivery cutoff 8:00pm
Order before 8pm
Next Day Delivery
Order on 0330 123 3707
Order Line 0330 123 3707
next day delivery cutoff 8:00pm
Order before 8pm Next Day Delivery
Filter by category

System Protection

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.

Filter by category
22 results
4400000 Ideal 176016 15Mm Electrolytic Inline Scale Inhibitor 176016
This part fits...
£89.72(inc VAT)
LEAK SEALERSENTINEL RAPID DOSE LEAK SEALER LS_RD-12X400ML-G
This part fits...
£25.34(inc VAT)
4270280 Regin Regm05 Sootbreaker Regm05
This part fits...
£4.87(inc VAT)
ILSSENTINEL INTERNAL LEAK SEALER 1LTR PS
This part fits...
£12.16(inc VAT)
X100SENTINEL RAPID DOSE X100 INHIBITOR
This part fits...
£28.79(inc VAT)
1930006 Sentinel System Inhibitor X100 1Litre Sx100
This part fits...
£30.56(inc VAT)
X400SENTINEL RAPID DOSE X400 SLUDGE REMOVER
This part fits...
£26.11(inc VAT)
This part fits...
Unfortunately this product is showing as no longer available with the manufacturer; please contact us if you have any queries
1190000 Interpart Inp0079 Inhibitor 1Ltr Inp0079
This part fits...
£11.08(inc VAT)
1190006 Interpart Inp0082 Leak Sealer 1Ltr Inp0082
This part fits...
£11.08(inc VAT)
2300032 Sentinel X400 Flushing Compound 1Ltr Ps X400
This part fits...
£23.24(inc VAT)
X800SENTINEL X800 JETFLO POWERFLUSH CLEANSER
This part fits...
£28.06(inc VAT)
Filter by category
22 results

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