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Alpha CD18R HE Gas Regular Boiler

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Product Range

Product Description

The Alpha CDR Gas Regular Boiler range is ideal for small to large size properties with more than one bathroom and a large demand for hot water. The light weight and compact dimensions of the CDR Gas Regular Boilers make this a quick and easy boiler to install and can help user save on installation costs and time. Also with simple user friendly controls the CDR Gas Regular Boilers are easy and quick to set up and adjust providing flexibility and comfort over the central heating system. The CDR Gas Regular Boiler range is designed to be used with an open vented system but with a sealed system kit can be used with unvented systems. 

At Boilers2go we recommend the Alpha CD18R Gas Regular Boiler for medium size properties with multiple bathrooms and a high demand for hot water. Also due to the CD18R Gas Regular Boiler's condensing capabilities, recovering latent heat from the flue gases, it has a SEDBUK 'A' rating the highest official energy efficiency rating in the UK. Also for peace of mind the CD18R Gas Regular Boiler comes with a 3 year manufacturer's warranty.

Inside the Alpha CD18R

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  • Sentinel X100 towel rail inhibitor 60ml

    Sentinel X100 Towel Rail Inhibitor is formulated to provide protection to stand-alone water filled electric towel rails or towel rails connected to the central heating system against corrosion and scale. X100 Towel Rail inhibitor is a multipurpose ihibitor helping to protect towel rails against corrosion, limescale, hydrogen gassing and prevent pin hole leaks from forming. One 60ml tube of X100 Towel Rail inhibitor will protect an electric water filled towel rail of up to 12 litres or to replenish a central heating system already treated with X100 when replacing or connecting a new towel rail. X100 Towel Rail Inhibitor is easy to use:

    • For electric towel rails simply add the entire tube to the electric towel rail before filling with water
    • For Towel rails connected to the central heating system, simply top-up a system already dosed with X100 central heating inhibitor via the radiator air bleed valve before re-pressurising the system
    • From systems not already treated with X100 central heating inhibitor simply dose the system with 1 litre of X100 central heating Inhibitor after installing the towel rail.


    The Sentinel X100 Towel Rail Inhibitor comes with a free adaptor for quick and easy dosing and can be used on towel rails fitted to traditional wet central heating systems, duel fuel towel rails and standalone towel rails.

    Key Features and Benefits:

    • Complete Towel Rail protect against corrosion and scale 
    • Extends the life and maintains the optimum efficiency of Towel Rails
    • Prevent the formation of cold spots
    • Prevents pin holing
    • Suitable for all water filled Towel Rails
    • Quick and easy dosing, via free adaptor
    • Can be used as a system inhibitor top-up
    • Non-toxic and biodegradable
    • Suitable for all metal types (including Aluminium)


    Sentinel X100 Towel Rail Inhibitor Video


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