Sentinel X100 System Inhibitor 1L

By Sentinel Product code: 68383 Pack size: Each

£13.58 was £16.98 Exc. VAT £11.32

Product Details

Maximise the efficiency of your central heating system by treating it with Sentinel X100 inhibitor. It provides protection for clean systems against limescale and corrosion, helping to extend its lifespan and minimise fuel usage. X100 is suitable for use in all types of indirect central heating systems.

• Suitable for use in all types of indirect central heating system

• Protects clean systems against limescale and corrosion

• Extends life of central heating system

• Improves system efficiency and reduces fuel usage

• Contains TripleTech™ anti-corrosion technology

• Suitable for hard, soft and artificially softened water

• Helps prevent the formation of hydrogen gas

Technical Specification
Brand Sentinel
Manufacturer ID X100L-12X1L-GB
Safety Data Sheet click here
Type Inhibitor
Volume (L) 1
User Guide click here
Volume (ml) 1000
Container Type Liquid
Range Name X100
Delivery details

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery – £5.00 or FREE for orders over £25

  • Order before 9pm Monday to Thursday for next business day delivery
  • Order Friday to Sunday before 5pm for Monday delivery
  • Orders placed after Sunday at 5pm will be delivered the following Tuesday
Pre-12pm Delivery – £10.00 to arrive before 12pm on the scheduled days above
Saturday Delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 6pm Friday)
Sunday delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 4pm Saturday)
Times may vary for items being delivered directly from the supplier. For more information, please visit our delivery information page below.
Items over 30kg can only be delivered from Monday to Friday. If ordered before 6pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.
More about Delivery
Click & Collect details

Collection Details

Our opening times are 7am-8pm Monday-Friday, 7am-6pm Saturday and 9-4pm Sunday. Please check your local store is open on the store locator page, before you visit.

Once you have placed your order online, we’ll have it ready for you at the store you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.

Don’t forget your mobile number – Make sure your mobile number is added so that we can text you when your order is ready to collect. Please wait for your text or email before coming to collect your items.

If an item is eligible for Next Business Day Collection in store, the order must be placed by 9pm Monday to Thursday for collection the next day. Orders placed after 9pm on Thursday, and up to 5pm on Sunday, will be available for collection on Monday. For larger items over 30kg, please allow two business days.

Sentinel X100 System Inhibitor 1L is rated 4.8 out of 5 by 185.
Rated 5 out of 5 by from Working better. Brilliant. Definitely cleaned out the radiators
Date published: 2022-11-05
Rated 5 out of 5 by from Great product Works very well, water in the system is clear as a bell when I drain any off for any reason
Date published: 2022-10-18
Rated 5 out of 5 by from Sentinel Central Heating inhibitor Used sentinel previously does exactly what is designed to do.
Date published: 2022-10-11
Rated 5 out of 5 by from Good inhibitor Good quality inhibitor, I had to replace mine after draining the system to change rads. The drain water was still clean although black because of the X100, no rust though.
Date published: 2022-10-09
Rated 5 out of 5 by from Sentinal X100 inhibitor Very good inhibitor. My open system already had Sentinal X100 in it so this purchase was to top up via the F/E tank. The product definately keeps corrosion at bay, reduces noise, keeps water mix clean and is odourless.
Date published: 2022-09-23
Rated 5 out of 5 by from Excellent product Excellent product add to your system as per instructions and just let it do its thing
Date published: 2022-09-20
Rated 4 out of 5 by from Good product Very good product works well
Date published: 2022-08-16
Rated 5 out of 5 by from Excellent protection for heating systems Excellent product. have used it for years on all types of heating system and can highly recommend. Tool station have some excellent prices and the staff were helpful.
Date published: 2022-07-23
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