LAUDA Heating thermostat A12
comparison of Alpha LAUDA immersion thermostats
LAUDA Heating thermostat A12
comparison of Alpha LAUDA immersion thermostats

LAUDA Heating thermostat A12

Delivery in 20/30 days
VAT excluded
  • Price including VAT: €1,423.74
    Taxes calculated 22%. Pls. keep in mind, taxes vary by country: France taxes will be 20%, in Spain 21% etc., out EC 0% and if you are a company always 0%

Immersion heating thermostat A12, LAUDA

  • From 25 to 100°C
  • Pump pressure max. 0.2 bar
    Pump delivery max. 15 L / min
  • Power 1.5 Kw
  • 12 liters tank
  • Simple and intuitive controls, large LED display
  • Integrated timer function; automatic shutdown
  • Under / over temperature protection

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Heating thermostat Alpha: from 25 to 100°C
LAUDA Alpha is the most affordable choice when it comes to high quality LAUDA thermostats. These reliable and easy-to-use thermostats, with features reduced to the essentials, can be operated with non-flammable liquids and are suitable for both indoor and outdoor temperature control tasks. The cooling system, the pump circulation set and the bath cover set are available as accessories for all thermostats. With the water cooling system, the thermostat can be used for operations from 20° to 100°C.
Low-level and overtemperature protection for operation with non-flammable liquids.

Qualitative characteristics

  • Simple and intuitive menu navigation with three-button operation via a large, clearly legible LED display
  • Integrated timer function to allow automatic shutdown of the device
  • Under / over temperature protection for operation with non-flammable liquids
the thermostat head attached to the thermostat tank

The back of the Alpha thermostat: clamp, power supply and reset button.

thermostat control panel

Simple control with three buttons and three indicator lights: active heating, active cooling and alarm light.

thermostat head with basin

Can be used with any bath vessel up to 30 mm thick with the included screw clamp.

alpha pump pressure/flow rate graph

Graph of pump characteristics in Alpha Lauda models.

graph of amount of time to reach temperature for alpha models

Graph of heating curves of Aplha Lauda models.

measurements of the A6 model

In shorts

  • Water bath of max. 12 liters
  • The simplest thermostat with Lauda bathtub
  • Electronic adjustment with three buttons and LED display; actual or set temperature display
  • Circulator with flow rate reduction
  • Overtemperature protection, for use with non-flammable liquids
  • Stainless steel bathroom
  • Audible and visual alarms

- Alpha A12 bath cover set
- Alpha cooling coil
- Alpha pump set


technical drawing of the thermostat front

a - Control head with clamp
b - Bath vessel
c - Four mounting feet

1 - Temperature controller with four segment LED display
2 - Heater active (yellow LED is lit)
Cooler active (blue LED is lit)
Error signal (red LED is flashing)
3 - Menu functions, select and Enter keys
4 - Mains switch
5 - Screw clamp
6 - Tubular heater
7 - Temperature probe Pt100
8 - Pump outflow with pump outflow reducer

technical drawing of the back of the thermostat

1 - Reset button (press only if the display shows SAFE )
2 - Cooler cable
3 - Rating label
4 - Mains cable
5 - Screw clamp

Product Details

Temperature °C
External dimensions mm L x P x A
Pump pressure max. bar
0.2 bar
Pump delivery max. l/min.
15 L/min
Tank volume l
8 L min.
12 L max.
Power W
1.5 Kw
Bath measures WxDxH (mm)
235 x 161 x 200
Weight kg
230 V / 50-60 Hz


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