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


Temperature range Ambient +5 to 95ºC
Temperature display and setting resolution 0.5ºC
Stability (DIN 12876) @70ºC 0.5ºC
Temperature setting Digital
Front panel lock
Fixed thermal cut-out
Dry start/boil dry protection
User calibration 1pt
Element free tank
Drain tap (12L and above)
Lid as standard
User adjustable over temperature alarm
Programmable temperature presets
Countdown timer with audible alarm
Supply voltage 120 or 230V


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



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