• JB Nova Unstirred Water Baths

    General purpose water baths with stable temperature control, simple interface and fast heat-up. A choice of four models with a base tray and lid included as standard.

    • Temperature range ambient +5ºC to 95ºC operation
    • Stability: ±0.5ºC
    • Unique Set and Forget® technology – fast heat-up, reliable temperature control
    • Simple, intuitive controls – quick and easy to set temperature
    • Practical front panel lock – disables front panel controls preventing unintentional changes
    • Suitable for use with heat transfer beads
    • Drain tap on 12L, 18L and 26L baths


    • Practical science demonstration, sample warming, sample preparation, QC materials, sample thawing, sample incubation, media preparation
    • Markets: Education and industry


    Product Manuals:

    Performance Datasheets:

    Technical Datasheets:

    Further Information:



    Products in range

    Model Number

    Unit Size

    JBN5 5 L
    JBN12 12 L
    JBN18 18 L
    JBN26 26 L



    Drain Stopper

    Recommended when using heat transfer beads, to prevent beads entering drain hole

    Part No


    UWB-DS Pack of 5

    Polypropylene Spheres

    Ideal alternative to a lid*

    Part No


    Packs per bath

    PS-20 Pack of 300 polypropylene spheres 1 x 5/12L, 2 x 18/26L, 3 x 38L

    Accessory Notes

    * Between operating temperatures 60ºC and 100ºC and below room temperature a lid or layer of polypropylene spheres should be used.

    Raised Shelves

    To allow accommodation of shallow vessels

    Part No


    RS14 For 12L bath
    RS22 For 18L bath
    RS28 For 26L or 38L bath
    RS38 For 38L bath

    Unstirred Water Bath – Lids

    Directs condensation away from immersed vessels, avoids contamination, reduces evaporation and saves energy*

    Part No Description For
    AQL5 Transparent polycarbonate lid JBN5
    AQL12 Transparent polycarbonate lid JBN12
    AQL26 Transparent polycarbonate lid JBN18/JBN26
    LU6* Stainless steel sloping lid JBN5
    LU14* Stainless steel sloping lid JBN12
    LU28* Stainless steel sloping lid JBN18/JBN26
    LF6** Flat lid with 2 ring sets JBN5
    LF14** Flat lid with 4 ring sets JBN12
    LF28** Flat lid with 6 ring sets JBN18/JBN26

    Accessory Notes

    * lid or spheres recommended for use above 60ºC
    ** with ring sets of variable hole diameter to accomodate tall vessels whilst reducing evaporation

    Unstirred Water Baths – Base Tray

    Required if flat-bottomed flasks are to be placed directly on the base of the bath and to promote thermal convection in the bath

    Part No


    AQBT5 JBN5
    AQBT12 JBN12
    AQBT26 JBN18/JBN26

    Unstirred Water Baths – Racks

    Choice of 8 variants to accommodate different tube diameters and microtubes

    Part No

    Tube size Ø


    J2-10 10mm 84
    J2-13 13mm 55
    J2-16 16mm 36
    J2-19 19mm 32
    J2-25 25mm 18
    J2-30 30mm 12
    J2-SE 0.5ml 105
    J2-LE 1.5ml 65

    Accessory Notes

    No of racks accommodated in JB Nova water baths:

    5 litres: 1 x J2
    12 litres: 2 x J2
    18 litres: 4 x J2
    26 litres: 4 x J2