Sentinel X100 System Inhibitor Rapid Dose 300ml

By Sentinel Product code: 81368 Pack size: Each

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Product Details

Provides protection for clean central heating systems against limescale and corrosion. Suitable for use in all types of indirect central heating system, the inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage.

Technical Specification
Brand Sentinel
Safety Data Sheet click here
Volume (L) 0.3
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 6pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • Pre-12 delivery service is now available. Place your order before 6pm Mon – Fri for next business day delivery by 12pm. Orders placed after 6pm Friday and before 6pm Sunday will be delivered by 12pm Monday. UK mainland
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Branches are now fully open and operating safely in line with government guidelines
  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 7pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
Sentinel X100 System Inhibitor Rapid Dose 300ml is rated 4.4 out of 5 by 10.
Rated 4 out of 5 by from The Roman Candle for plumbers I’m sure this is great the second time you use it but I spent a few pointless moments trying to interpret the instructions and got straight down to business. A few short seconds later half of it was up the wall and the other half was running down my face, much to the amusement of my other half. I’m not sure the heating got much benefit from it but it gave us a laugh and luckily it appears not to be corrosive so I still have a head... yay
Date published: 2020-05-14
Rated 1 out of 5 by from Not for me supposed to allow adding inhibitor to pressurised system without having to drain. Maybe if you’re experienced with this stuff you can do what it promises but I just got a wet floor and a face full of chemicals. Ended up buying a litre of plain inhibitor and doing it the old fashioned way with a lot less fuss. Your mileage may vary but I wouldn’t recommend.
Date published: 2020-04-26
Rated 5 out of 5 by from Great service Had everything I needed, great product
Date published: 2020-04-26
Rated 4 out of 5 by from Boiler inhibitor Quick and easy more expensive, hope it does the job as good
Date published: 2020-04-03
Rated 5 out of 5 by from Simple to use Couldn't be simpler to use.
Date published: 2020-01-21
Rated 5 out of 5 by from Easy to use Easy to use, took only 10 minutes to fill the CH system via the filling loop, no mess
Date published: 2020-01-21
Rated 5 out of 5 by from Stupidly easy to use For years I’ve dosed my sealed system in countless ways, usually ends up a bit messy! But this rapid dose system is amazing, I planned to do it in the morning whilst the system was cold and before the alarm went off. I’d completed the job before the kettle had boiled, one happy chappy ;-) I know the products from Sentinel are good, they’ve been the go to since before I can remember !!
Date published: 2019-12-05
Rated 5 out of 5 by from Quick & easy The wife wanted a radiator removed while she decorated so I always top up the inhibitor when I refill the system afterwards. Cheap, quick & easy way to redose your heating system
Date published: 2019-10-30
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