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Sentinel X400 System Restorer 1Ltr

Product Code: 89458

1Ltr. Apply to existing systems for the removal of sludge and deposits. Iron oxide is broken down and dispersed through flushing.

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Safety Data Sheet (COSHH)


4.5294 5 17

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Sentinel X400 System Restorer 1Ltr 4.5 5 17 17
Sentinel X400 Works I bought this because our domestic hot water supply had been reduced to a trickle and I reckoned that the pipes from the hot storage tank were full of sludge and limescale. Having run the bottle into the tank and allowed it to do its job for an hour, I was amazed at the difference it made when I flushed the system through. Sentinel X400 really works and we've never had the hot water running so well in our house. Thanks ScrewFix for selling such a thoroughly useful product! 4 Mar 2015
Cent intel heating cleaner Does the job !!!. And screwfix is open when others are not,stores in most towns friendly and helpful staff. 16 Jan 2015
Great Order this for central heating - Does what it is says, great 20 Dec 2014
Sentinel X400 C/H Cleanser. Bought (in conjunction with Sentinel X100) to clean a system that was old and sluggish and then add the Sentinel X100 to preserve any improvement in circulation, The cleansing was dramatic, obviously, judging by the rapid heating up of radiators after just a couple of days and I intend running the cleanser for the remainder of the week and then draining down and filling up with the X100 rust inhibitor I bought at the same time. If X400 will do this for an old 8mm micro bore system in a couple of days what will it do for larger bore piping ? Thoroughly recommended. 10 Dec 2014
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Brand Sentinel
Model No X400
Pack Size 1
Product Type System Restorer
Sealant Adhesive Volume 1 Ltr
Total Product Weight 1102 kg
Volume 1 Ltr