SIEMENS LGK16.333A27

Siemens LGK16.333A27 Gas Burner Control Unit

Description

The Siemens LGK16.333A27 is an automatic burner control unit designed for supervising atmospheric gas burners of small to medium capacity in intermittent operation. It manages the entire ignition sequence and monitors the flame during operation to ensure safety and efficiency. This unit is a reliable component for heating systems, industrial ovens, and other gas-fired appliances.

Specifications

• Voltage: 230V AC
• Frequency: 50-60Hz
• Power Consumption: 3.5VA
• Safety Time (ts): max. 3s
• Prepurge Time with air damper control (tv): 31s
• Permissible Ambient Temperature: -20 to +60 deg. C
• Protection Class: IP40

Label Info

• Manufacturer: Siemens AG
• Model: LGK16.333A27
• DIN Reg. No.: Rg.5F018
• CE No.: CE-0085A00103

Application

This burner control unit is used in a variety of applications including commercial boilers, air heaters, and industrial process heat systems where reliable, automatic control of a gas burner is required.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this component helps avoid the CO2 emissions associated with manufacturing a new one, contributing to a more sustainable industrial environment.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the difference between safety time (ts) and prepurge time (tv) on the LGK16.333A27?
The prepurge time (tv) of 31 seconds is the period the fan runs to clear any unburnt gas from the combustion chamber before ignition. The safety time (ts) of 3 seconds is the maximum time the controller will try to establish a flame after opening the gas valve before initiating a safety lockout.

Is this burner control suitable for continuous operation?
No, the Siemens LGK16.333A27 is designed for intermittent operation. This means the burner must be shut down at least once every 24 hours to allow the controller to perform its self-check routine upon restart.

Can I replace an older Siemens LFL… or LOK… series controller with this LGK16.333A27?
No, a direct replacement is not possible. The LGK…, LFL…, and LOK… series have different wiring bases, timings, and functionalities. Replacing one with another requires a complete re-wiring of the burner’s control panel and a safety re-evaluation by a qualified technician.

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Last Update: Friday, March 13, 2026