Siemens Aga 56.9A87 Sqm50 Control Card 24Vac C21343A

For SQM5 Fully electronic

Siemens AGA 56.9A87 SQM50 Control Card 24Vac – C21343A
Reliable Burner Control for Efficient Boiler Operation

Product Summary:

The Siemens AGA 56.9A87 SQM50 Control Card (Part No. C21343A) is a high-quality electronic control board designed specifically for boilers and heating systems operating on 24Vac. It serves as the brain of the burner control system, managing ignition, flame monitoring, and safety lockout functions with precision. This genuine Siemens control card ensures reliable and efficient boiler performance, making it an essential replacement part for heating engineers and skilled DIY customers working on compatible Siemens or AGA boilers.

Key Features:

• Genuine Siemens SQM50 Control Card, part number C21343A

• Operates at a low voltage of 24Vac for safer and efficient control

• Manages burner ignition, flame supervision, and safety shutdowns

• Designed for seamless integration with Siemens SQM50 burner systems

• Compact, durable PCB with high-quality electronic components

• Ideal for both replacement and system upgrade applications

• Manufactured to rigorous Siemens standards for reliability

Compatible Boiler Models:

• Siemens and AGA boilers equipped with SQM50 burner control systems running on 24Vac

• Suitable for various industrial and domestic boilers requiring a 24Vac SQM50 control card

• Recommended for systems specifying part number C21343A

• Please verify compatibility with your boiler model prior to purchase for smooth installation

When to Replace:

• Burner ignition failures or intermittent flame detection issues

• Boiler lockouts caused by faulty control card signals

• During routine boiler servicing when control card faults are diagnosed

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