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Inhibitor (2) Cleaner (4) Leak Sealer (1) Scale Inhibitors (2) central-heating-treatment (2) Solar Heating Chemicals (2) Boiler Filters (1) Treatment Packs (1) Water Softeners (1)

In Stock Only (14) Out of Stock (2)

£10 - £30 (5) £30 - £80 (4) £80 - £120 (3) £120 - £576 (4)

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sentinel-x100-central-heating-inhibitor-double-concentrated-500ml

Sentinel X100 Central Heating Inhibitor - Double Concentrated 500ml

£15.05 inc
VAT

✓ In Stock

sentinel-x100-inhibitor-1-litre

Sentinel X100 Inhibitor 1 Litre - X100L

£21.79 inc
VAT

✓ In Stock

sentinel-x800-jetflo-cleaner-1-litre

Sentinel X800 Jetflo Cleaner 1 Litre - X800L

£21.79 inc
VAT

✓ In Stock

sentinel-x400-sludge-remover-1-litre

Sentinel X400 Sludge Remover 1 Litre - X400L

£21.86 inc
VAT

✓ In Stock

sentinel-internal-leak-sealer-1-litre

Sentinel Internal Leak Sealer 1 Litre - LS-12X1L-GB

£22.46 inc
VAT

✓ 102 In Stock

sentinel-x400-rapid-dose-sludge-remover-300ml

Sentinel X400 Rapid Dose Sludge Remover 300ml - X400RD-12X300ML-GB

£30.56 inc
VAT

✓ In Stock

sentinel-x100c-gel-inhibitor-concentrate

Sentinel X100C Gel Inhibitor Concentrate - X100C-12X275ML-GB

£31.82 inc
VAT

✓ In Stock

sentinel-x100-basic-test-kit

Sentinel X100 Basic Test Kit - X100T-T-EXP

£32.89 inc
VAT

✓ In Stock

sentinel-systemcheck-test-kit-l6623

Sentinel SystemCheck Test Kit (L6623) - SYSCHECK-GB

£79.52 inc
VAT

✓ In Stock

sentinel-r200-solar-cleaner-20-litre-r200-20l-drum

Sentinel R200 Solar Cleaner 20 Litre R200-20L-Drum

£90.25 inc
VAT

✓ In Stock

sentinel-electrolytic-22mm-compression-scale-inhibitor

Sentinel Electrolytic 22mm Compression Scale Inhibitor - SESI22

£97.90 inc
VAT

✓ In Stock

sentinel-eliminator-vortex300-22mm-magnetic-system-filter

Sentinel Eliminator Vortex300 22mm Magnetic System Filter - ELIMV300-GRP22-GB

£117.54 inc
VAT

✓ 5 In Stock

sentinel-vortex-protection-pack

Sentinel Vortex Protection Pack - VORTEX-BP-PACK

£130.64 inc
VAT

✓ In Stock

sentinel-ground-source-frostcheck-test-kit

Sentinel Ground Source FrostCheck Test Kit

£218.72 inc
VAT

Extended Lead Time, 2 Weeks+

sentinel-r500c-concentrated-ground-source-thermal-transfer-fluid-20-litre

Sentinel R500C Concentrated Ground Source Thermal Transfer Fluid 20 Litre - R500C-20L-DRUM

£219.13 inc
VAT

✓ 5 In Stock

sentinel-water-softener-1-with-filtration-kit-sumo-softener-gb

Sentinel Sumo Water Softener 1 with Filtration Kit - SUMO-SOFTENER-GB

£862.63 inc
VAT

Extended Lead Time, 2 Weeks+

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