Sentinel Boiler Noise Reducer 1L

By Sentinel Product code: 75576 Pack size: Each

Product Details

Reduces boiler noise whilst simultaneously helping to restore boiler efficiency.

Technical Specification
Brand Sentinel
Manufacturer ID X200L-12X1L-GB
Safety Data Sheet click here
Type Boiler Noise Reducer
Volume (L) 1
Volume (ml) 1000
Container Type Liquid
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 Boiler Noise Reducer 1L is rated 4.8 out of 5 by 36.
Rated 5 out of 5 by from Does the job Added this after cleaning out the header tank and having drained off some water first. Takes time to work, about ten days, but does the job. Kettling noise much reduced. May need doing again after a couple of years.
Date published: 2023-02-27
Rated 5 out of 5 by from Sentinel X200 Great product, does silence boiler knocking, i find that i have to use 2 on my system.
Date published: 2023-02-20
Rated 5 out of 5 by from Great product A great product that I have used to help to make Boilers run without making a lot of noise.
Date published: 2022-04-17
Rated 5 out of 5 by from Quiter Combi Boiler and Radiators It takes a 3-7 days to work itself in to the central heating system. I use this product yearly to help maintain noise levels both combi boiler and 6 large radiators, It does work it’s magic, just be patient. Sentinel X200 is as good as Fernox F2 Silencer I would say.
Date published: 2022-03-20
Rated 1 out of 5 by from Not for me Didn’t really do what it says on the tub, boiler still noisy after a few weeks, even tried a second application.. reverted to using qual rad system descaler from toolstation which worked within an hour and at a fraction of the price of x200
Date published: 2021-12-15
Rated 4 out of 5 by from Boiler Noise Used product before and worked well
Date published: 2021-10-26
Rated 5 out of 5 by from Central heating problems Stop noises in the boiler immediately
Date published: 2021-10-18
Rated 5 out of 5 by from Definitely try this for a noisy boiler! This stuff works great! was about to get a central heating engineer to give me a quote for a new boiler, but thought it was worth a try and very impressed after 4-5 days system was calming down 2 weeks i don't even know the boiler is on. chuffed to bits.
Date published: 2021-04-26
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