Boss - Supastor Cylinder Spares

Downloadable PDF Installation and Servicing Manuals can be found below:

Boss Unvented Cylinder – Technical Data

10 items

  • Boss - 11" Immersion Heater Element & Thermostat

    Boss – 11″ Immersion Heater Element & Thermostat

    SKU: BS-39-15
    EXCL. TAX £20.87 INCL. TAX £25.04
    Out of Stock
  • Boss - 15mm to 22mm Tundish

    Boss – 15mm to 22mm Tundish

    SKU: BS-10-9
    EXCL. TAX £13.64 INCL. TAX £16.37
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  • Boss - 18 Litre White Potable Water Expansion Vessel

    Boss – 18 Litre White Potable Water Expansion Vessel

    SKU: BS-26-4
    EXCL. TAX £48.08 INCL. TAX £57.69
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  • Boss - 24 Litre White Potable Water Expansion Vessel

    Boss – 24 Litre White Potable Water Expansion Vessel

    SKU: BS-26-5
    EXCL. TAX £54.16 INCL. TAX £64.99
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  • Boss - 3 Bar Pressure Reducing Limiting Valve

    Boss – 3 Bar Pressure Reducing Limiting Valve

    SKU: BS-9-28
    EXCL. TAX £80.23 INCL. TAX £96.28
    Out of Stock
  • Boss - 35 Litre Potable Expansion Vessel

    Boss – 35 Litre Potable Expansion Vessel

    SKU: BS-26-13
    EXCL. TAX £122.69 INCL. TAX £147.23
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  • Boss - 60 Litre Potable Expansion Vessel

    Boss – 60 Litre Potable Expansion Vessel Alternative

    SKU: BS-23-6
    EXCL. TAX £188.04 INCL. TAX £225.65
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  • Boss - 7 Bar 22mm Pressure & Temperature Relief Valve

    Boss – 7 Bar 22mm Pressure & Temperature Relief Valve

    SKU: BS-9-13
    EXCL. TAX £26.64 INCL. TAX £31.97
    Out of Stock
  • Boss - Limit & Control Thermostat

    Boss – Limit & Control Thermostat

    SKU: BS-38-2
    EXCL. TAX £53.13 INCL. TAX £63.76
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  • Boss - 2 Port Motorised Valve

    Suitable for Boss – 2 Port Motorised Valve

    SKU: BS-25-2a
    EXCL. TAX £99.06 INCL. TAX £118.87
    Out of Stock