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 £20.43 INCL. TAX £24.52
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  • Boss – 15mm to 22mm Tundish

    SKU: BS-10-9
    EXCL. TAX £5.82 INCL. TAX £6.98
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  • Boss - 18 Litre White Potable Water Expansion Vessel

    Boss – 18 Litre White Potable Water Expansion Vessel

    SKU: BS-26-24
    EXCL. TAX £33.18 INCL. TAX £39.82
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  • Boss - 24 Litre White Potable Water Expansion Vessel

    Boss – 24 Litre White Potable Water Expansion Vessel

    SKU: BS-26-25
    EXCL. TAX £39.15 INCL. TAX £46.98
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  • Boss - 3 Bar Pressure Reducing Limiting Valve

    Boss – 3 Bar Pressure Reducing Limiting Valve

    SKU: BS-9-28
    EXCL. TAX £33.63 INCL. TAX £40.36
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  • Boss - 35 Litre Potable Expansion Vessel

    Boss – 35 Litre Potable Expansion Vessel

    SKU: BS-26-13
    EXCL. TAX £86.08 INCL. TAX £103.30
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  • Boss - 60 Litre Potable Expansion Vessel

    Boss – 60 Litre Potable Expansion Vessel Alternative

    SKU: BS-18-6
    EXCL. TAX £163.23 INCL. TAX £195.87
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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 £26.10 INCL. TAX £31.32
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  • Boss - Limit & Control Thermostat

    Boss – Limit & Control Thermostat

    SKU: BS-38-2
    EXCL. TAX £16.56 INCL. TAX £19.87
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  • Honeywell V4043H 1056 - 2 Port Motorised Zone Valve 22mm V4043H1056

    Suitable for Boss – 2 Port Motorised Valve Alternative

    SKU: BS-25-2a
    EXCL. TAX £45.81 INCL. TAX £54.97
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