Does Sentinel X400 work?
Sentinel X400 works by lifting and dispersing the sludge into the circulating water so that it can be removed by draining and then flushing the system. After cleaning the system in this way, it should be filled with fresh water and protected from further corrosion using Sentinel X100 inhibitor.
What is the difference between Sentinel X400 and X800?
Which product is better for old domestic systems, X400 High Performance Cleaner or X800 Fast Acting Cleaner? For the most thorough clean, use Sentinel X400 High Performance Cleaner. For the quickest clean, use Sentinel X800 Fast Acting Cleaner in conjunction with a powerflushing machine.
How do I use Sentinel X400?
Dosing & Feeding Sentinel X400 should normally be dosed at 1% of system volume, i.e. 1 litre per 100 litres of system water. For systems with severe fouling the dosage rate can be increased up to 5%.
What is Sentinel X400?
Sentinel X400 High Performance Cleaner is specifically designed for cleaning older central heating systems. It is a non-acid treatment which restores circulation to radiators and pipework.
How long does X400 take to work?
with all valves open and the pump turned to maximum flow for a minimum period of 2 hours or until satisfactory performance is restored. Where systems are badly fouled, a longer period of circulation (e.g., up to 4 weeks) is recommended, but the product will not clear a completely blocked pipe.
Can you leave X400 in the system?
Sentinel X400 High Performance Cleaner can be left in the system for approximately 3-4 weeks.
How long can you leave X800 in system?
*Sentinel themselves say there is no upper time limit on leaving it in the system as it won’t damage any parts of the CH system.
Is Sentinel X800 any good?
5.0 out of 5 stars Works as it says on the bottle. After running the heating system for one week with the Sentinel added and then completely draining the whole system and doing two flushes the system now works perfectly, each radiator (11 in total) has the recommend temperature drop.
How do I clean the sludge out of my central heating system?
- Step 1: Turn Off Your Heating.
- Step 2: Spread Out Your Towels.
- Step 3: Turn Off The Valves.
- Step 4: Drain The Radiator.
- Step 5: Remove & Flush The Radiator.
- Step 6: Reconnect Your Radiator.
- Preventing Radiator Sludge Issues.
- Power-Flushing.
How long can you leave cleaner in a heating system?
A good cleaner is Sentinel X400, or X800 which is somewhat more aggressive. X400 can be left in the system, but will cease to loosen sludge after about 4 weeks. X800 should be circulated and the system drained and refilled several times to remove it.
How much Sentinel X800 do I need?
1 litre of Sentinel X800 Fast Acting Cleaner is sufficient to clean a typical system of up to 10 radiators. For larger systems, 2 litres should be used. Where systems are badly fouled, a higher concentration is recommended, i.e. 2 litres for a typical system. This product will not clear a completely blocked pipe.
How long should I leave Sentinel X800 in the system?
Yes you can dose the Sentinel X800 Cleaner via the header tank. It is a fast acting cleaner and can be left in the system for the recommended time of 1-20 hours before being drained and flushed out.
How long does X800 stay in system?
X800 2-3 hours X400 up to two weeks, it can cause problems if left in to long.
How often should you flush your central heating system?
every five to six years
To keep the system in good shape, power flushing is a must every five to six years. But, you can also consider power flushing the system every eight to ten years. It will depend on the quality and sturdiness of the materials used in building the system.