Express 
Welcome to the Sentinel Solutions store. Here you will find the complete range of Sentinel products designed to protect heating and hot water systems. As an authorised online stockist of Sentinel products, we are able to offer you fast delivery and great prices on products including water treatment chemicals for heating systems including renewables such as solar and air source heat pumps. We also stock and supply physical Sentinel products such as filters and test kits. You can see a great range of products from Sentinel and alternative manufacturers in our comprehensive Water Treatment Category.
Sentinel Solutions
Sentinel R100 solar thermal fluid 20ltr
Special Price
£124.97
£104.14
Regular Price
£142.54
Sentinel R600 air source heat pump thermal fluid 20ltr
£237.35
£197.79
SENTINEL Grant Vortex 300ML BP BOX
£169.56
£141.30
Sentinel X300 universal cleanser 1ltr
£27.67
£23.06
Sentinel X400 sludge remover 1ltr
£24.77
£20.64
Sentinel internal leak sealer 1ltr
£14.57
£12.14
Sentinel X500 inibitor anti-freeze 5ltr
Special Price
£104.57
£87.14
Regular Price
£171.54
Sentinel X100 inhibitor 20ltr
Special Price
£426.30
£355.25
Regular Price
£536.58
Sentinel X100 quick test kit
£3.79
£3.16
Sentinel system check test kit
£70.75
£58.96
Price's Candles Sentinel Nightlights Pack 50
£17.99
£14.99
Price's Candles Sentinel Nightlights Pack 6
Special Price
£2.16
£1.80
Regular Price
£4.55
Sentinel Sesi 15Mm Compression Electrolytic Scale Inhibitor Sesi15
Special Price
£49.57
£41.31
Regular Price
£105.95
Sentinel X400 High Performance Cleaner 1L X400l-12X1l-Gb
Special Price
£24.83
£20.69
Regular Price
£45.54
Sentinel Salamander 15mm sesi scale inhibitor
Special Price
£55.19
£45.99
Regular Price
£56.66
Sentinel Sesi electrolytic scale inhibitor 22mm
Special Price
£99.04
£82.53
Regular Price
£154.97
Sentinel Salamander condensafe plus
£54.76
£45.63
Sentinel Condensafe+ neutraliser refill
£12.60
£10.50
SENTINEL VORTEX SYSTEMCARE PACK B SW
Special Price
£164.23
£136.86
Regular Price
£263.41
SENTINEL VORTEX SYSTEMCARE PACK C HW
Special Price
£221.28
£184.40
Regular Price
£355.43
Sentinel X100 inhibitor 1ltr
Special Price
£15.98
£13.32
Regular Price
£20.38
Sentinel X800 jet flow ultimate cleaner 1ltr
Special Price
£15.98
£13.32
Regular Price
£22.24
Sentinel Solar Thermal R100 fluid 10 Ltr
Special Price
£81.82
£68.18
Regular Price
£157.56
Sentinel Solar System R200 cleaner 10 Ltr
£62.38
£51.98
Sentinel Solar System R200 cleaner 20 Ltr
Special Price
£91.61
£76.34
Regular Price
£150.32
Sentinel Solarflush unit
£1,129.80
£941.50
Sentinel Solar check test kit
£441.08
£367.57
Sentinel R500 R500 ground source heating pump thermal fluid 1000 Ltr
£19,151.23
£15,959.36
Sentinel frost check test kit
Special Price
£331.92
£276.60
Regular Price
£419.51
Sentinel X100 inhibitor 10ltr
£290.45
£242.04
Sentinel X300 universal cleanser 10 ltr
£301.37
£251.14
Sentinel X200 noise reducer 10 ltr
£249.17
£207.64
Sentinel R500C R500C ground source heating pump thermal fluid 1000 Ltr
£19,151.23
£15,959.36
VORTEX Filter Pack 300ML 22MM VALVES & X100
£149.82
£124.85
SENTINEL Grant Vortex FILTER 300ML 22MM VALVE
£132.71
£110.59
SENTINEL Grant Vortex FILTER 500ML 28MM VALVE
£212.38
£176.98
Sentinel eliminator system filter 22mm
£159.23
£132.69
Sentinel inhibitor promo 1ltr
Special Price
£17.16
£14.30
Regular Price
£23.68
Sentinel cleaner promo 1ltr
Special Price
£17.16
£14.30
Regular Price
£29.88
Sentinel sludge remover promo 1ltr
£25.43
£21.19
Sentinel test kit promo
£34.02
£28.35
Sentinel X200 noise reducer 1ltr
£19.92
£16.60
Sentinel deposit remover 5ltr
Special Price
£86.96
£72.47
Regular Price
£142.73
Sentinel X100 test kit
£22.94
£19.12
Sentinel seal x external leak seal 50 ml
£7.30
£6.08
Sentinel X200 noise reducer 20 ltr
£462.56
£385.47
Sentinel X300 universal cleanser 20 ltr
Special Price
£385.03
£320.86
Regular Price
£524.54
Sentinel X400 sludge remover 20ltr
Special Price
£375.52
£312.93
Regular Price
£496.58
Sentinel injector unit
£164.76
£137.30
Sentinel X100 gel inhibitor
£44.20
£36.83
Sentinel X400 gel sludge remover
Special Price
£25.48
£21.23
Regular Price
£41.77
Sentinel Rapid-Dose X100 inhibitor 400ml
Special Price
£20.02
£16.68
Regular Price
£38.27
Sentinel Rapid-Dose X200 noise reducer 400ml
Special Price
£17.63
£14.69
Regular Price
£34.18
Sentinel Rapid-Dose leak sealer 400ml
£18.86
£15.72
Bristan SENTINEL EASYFIT SNK MXR CHROME
£214.49
£178.74
Sentinel R600 Thermal Fluid 20L R600l-20L-Drum
Special Price
£204.10
£170.08
Regular Price
£342.78
Sunvic sentinel 200 service programmer
£80.70
£67.25
Sentinel Nightlights X6
£15.29
£12.74
Sentinel combi guard 15 mm
£137.92
£114.93
Sentinel universal combi guard 15 / 22 mm
£190.20
£158.50
SENTINEL VORTEX SYSTEMCARE PACK D SW
Special Price
£170.05
£141.71
Regular Price
£272.80
