System Additives

Efficient and Low Cost Heating System Additives to Avoid Corrosion

Suitable for Cast Iron, Steel and Aluminium Radiators, our Multi-purpose Corrosion Inhibitor & Protector gives an additional layer of protection to your heating system.

Scale, dirt and rust will build up over time simply as a result of being used. These elements can affect the flow of water and make your boiler and radiators less effective. So, whether you have bought new radiators or not, our inhibitor is a low-cost way to protect your system.

We recommend that a radiator inhibitor fluid is added to your heating system if none has been added previously and again every time you drain your system. One 500ml container should be sufficient for a typical system.

We won’t be beaten on price, customer service or quality. Why not pick up the phone and dial 02394 216 216 to discuss your ideas with one of our heating experts.

All Products:

  • 54% off MSRP
    MU-INHIBITOR-500 - Multipurpose Radiator Inhibitor & Protector 500ml

    Multipurpose Radiator Inhibitor & Protector 500ml

    Brand: Radiators 4uRange: AccessoryType: Radiator AccessoryHeight (mm):170Width (mm):80Depth (mm):50Weight Boxed (kg):0.56 View Technical Sheet Delivery ChargesFree Delivery on orders over £59 Delivery costs just...
    MU-INHIBITOR-500
    Next Working Day
    MSRP: £21.95
    Price: £9.95
    Save:£12.00

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  • 59% off MSRP
    MU-INHIBITOR-500-X2 - Multipurpose Radiator Inhibitor & Protector 500ml (Two Bottles)

    Multipurpose Radiator Inhibitor & Protector 500ml (Two Bottles)

    Brand: Radiators 4uRange: AccessoryType: Radiator AccessoryHeight (mm):170Width (mm):80Depth (mm):50Weight Product (kg):1.12Weight Boxed (kg):1.19 View Technical Sheet Delivery ChargesFree Delivery on orders over...
    MU-INHIBITOR-500-X2
    170
    80
    Next Working Day
    MSRP: £43.90
    Price: £17.95
    Save:£25.95

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