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Glow-worm direct rear telescopic flue



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108959
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  • Sentinel X400 sludge remover 1 ltr

    Sentinel X400 System Restorer Liquid is formulated for cleaning existing central heating systems with a significant amount of corrosion debris affecting the efficiency of the central heating system and boiler. X400 System Restorer Liquid is ideal where a new boiler or pump is to be fitted to an existing central heating system or where radiators have developed cold spots due to the build-up of sludge, a black iron oxide deposit commonly found in untreated central heating systems.

    Key Features and Benefits:

    • Removes radiator sludge effectively
    • Restores system circulation
    • Restores system performance
    • Suitable for all metal types including aluminium
    • Neutral pH
    • Simple and rapid application

     

    One Sentinel X400 System Restorer Liquid 1 Litre is sufficient to treat a system with 8 to 10 radiators; larger system will require a second cartridge to sufficiently restore the system to optimum performance. Once the system has been dosed the X400 System Restorer Liquid should be circulated around the system at normal operating temperature with all the valves fully open and the pump turned to full flow for at least 2 hours or until the system is restored to optimum performance. For badly affected system the circulating time should be extended, e.g. up to 4 weeks; however X400 System Restorer Liquid will not be able to clear completely blocked pipes. There are no limits to the number of times a system can be treated with X400 System Restorer Liquid but it is recommended that for best results that it is used in conjunction with a power-flushing device. The X400 System Restorer Liquid is simple to use:

    • For open vented systems the system is dosed via the feed/expansion cistern via a bypass feeder or using a sentinel dosing vessel 
    • For sealed systems that have not been filled add the X400 via any convenient access point.
    • For sealed systems that have already been filled inject the X400 using a sentinel dosing vessel via the filling loop or any other access point.

     

    Sentinel X400 System Restorer Video

     

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  • Honeywell ST9100A 24 Hour Single Channel Timer

    The Honeywell ST9100A 24 Hour Single Channel Timer is designed primarily to control a single heating zone or combi boiler. The ST9100A is suitable for mains, low voltage or potential free-switching of the heating load. The ST9100A 24 Hour Timer has two on/off switching times per day allowing the user to set 2 different times in the day, which will be the same for each day of the week, to control the domestic central heating. The ST9100A can be used for combi boilers, heating zones or any application where small electric loads need switching.

    The Honeywell ST9100A incorporates a user friendly clear Line of Text display that provides clear plain English instructions whenever any buttons or sliders are used, meaning that users can reliably use the timer without having to find the manual. Also the ST9100A 24 Hour Single Channel Timer model has superseded the ST6100A which is no longer available.

    Key Features:

    • Clear Line of Text Display providing helpful feedback on programming hints
    • Large backlit display
    • Factory set time and date
    • Automatic Summer/Winter 1 hour time change
    • Temporary and permanent override facility
    • Extra hour facility for up to 3 hour boost or program extension
    • Choice of up to 3 different built in programs
    • Program indicator light
    • Fit industry standard back plate
    • Direct replacement for the ST6100A
    • Suitable for mains, low voltage and potential free-switching
    • Program settings retained on non-volatile memory
    • Up to 3 different on/off times per day 

     

    Honeywell ST9100A 24 Hour Single Channel Timer Control Layout

    1. Time Display
    2. Line of Text Technology Display
    3. Programme Time Markers
    4. Operating Mode Indicator
    5. Extra Hour Button
    6. Indicator Lamp
    7. Override Button
    8. Slider
    9. Operating Mode Button
    10. OK/Next Button
    11. Clock – and + Buttons
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    Grundfos 22mm/1" Male Iron Surrey Flange

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