Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Sentinel logo

Sentinel

Sentinel is a UK water treatment brand for heating and hot water systems, owned by Aalberts. It makes inhibitors, cleansers, biocides, powerflushing products and filters. Hanicks stocks Sentinel products and parts. Examples include system inhibitor, universal cleanser, sludge remover, powerflush cleanser, biocide and sanitiser, leak sealer and a boiler silencer, in standard and rapid dose formats. Search by product code to find the Sentinel product that suits your heating system.

Prices and stock shown where we hold the part. Where it says Call for price, call us and we'll check stock, or a replacement if the part is no longer made.

17 partsFitment confirmed before dispatch

Showing 1–17 of 17 parts

Sentinel Universal Cleaner X300

X300

Sentinel: Sentinel Universal Cleaner X300

£13.68

inc. VAT · £11.40 ex. VAT

Available to order · 1-2 working days
Sentinel Boiler Silencer X200

X200

Sentinel: Sentinel Boiler Silencer X200

£13.10

inc. VAT · £10.92 ex. VAT

Available to order · 1-2 working days
Sentinel X800 Jetflo powerflush cleaner 1 litre

X800

Sentinel: Sentinel X800 Jetflo powerflush cleaner 1 litre

£15.60

inc. VAT · £13.00 ex. VAT

In stock
Sentinel X800 Jetflo Powerflush Cleanser X800L-12X1L-GB

X800L-12X1L-GB

Sentinel: Sentinel X800 Jetflo Powerflush Cleanser X800L-12X1L-GB

£30.25

inc. VAT · £25.21 ex. VAT

Available to order · 1-2 working days
Sentinel X700 biocide 1 litre X700L-1L

X700

Sentinel: Sentinel X700 biocide 1 litre X700L-1L

£28.88

inc. VAT · £24.07 ex. VAT

In stock
Sentinel X400 System Restorer 1 Litre

X400

Sentinel: Sentinel X400 System Restorer 1 Litre

£15.26

inc. VAT · £12.72 ex. VAT

Available to order · 1-2 working days
Sentinel X300 Universal Cleanser 1Ltr 50015119

50015119

Sentinel: Sentinel X300 Universal Cleanser 1Ltr 50015119

£41.99

inc. VAT · £34.99 ex. VAT

Available to order · 1-2 working days
Sentinel Rapid Dose X400 Sludge Remover X400RD-12X400ML-

X400RD-12X400ML-

Sentinel: Sentinel Rapid Dose X400 Sludge Remover X400RD-12X400ML-

£25.33

inc. VAT · £21.11 ex. VAT

Available to order · 1-2 working days
Sentinel Rapid Dose Leak Sealer LS_RD-12X400ML-G

LS_RD-12X400ML-G

Sentinel: Sentinel Rapid Dose Leak Sealer LS_RD-12X400ML-G

£29.89

inc. VAT · £24.91 ex. VAT

Available to order · 1-2 working days
Sentinel R700 Ground Source Sanitiser and Biocide 1 Litre R700L-12

R700SANITISER

Sentinel: Sentinel R700 Ground Source Sanitiser and Biocide 1 Litre R700L-12

£47.51

inc. VAT · £39.59 ex. VAT

Available to order · 7 working days
Sentinel Internal Leak Sealer 1Ltr PS 813900

813900

Sentinel: Sentinel Internal Leak Sealer 1Ltr PS 813900

£14.69

inc. VAT · £12.24 ex. VAT

Available to order · 1-2 working days
Sentinel X700 Sanitiser and Biocide X700L-12X1L-GB

X700L-12X1L-GB

Sentinel: Sentinel X700 Sanitiser and Biocide X700L-12X1L-GB

£41.66

inc. VAT · £34.72 ex. VAT

Available to order · 7 working days
Sentinel X100 Central Heating Inhibitor 1 Litre

X100

Sentinel: Sentinel X100 Central Heating Inhibitor 1 Litre

£15.42

inc. VAT · £12.85 ex. VAT

In stock
Sentinel X100 system inhibitor 1 litre

SX100

Sentinel: Sentinel X100 system inhibitor 1 litre

£30.25

inc. VAT · £25.21 ex. VAT

Available to order · 1-2 working days