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Baxi Circuit board SX5657840 replaced by JJJ005678220 - Boiler Spare Parts
BaxiBoiler Spare Parts

Baxi Circuit board SX5657840 replaced by JJJ005678220

Baxi Circuit Board SX5657840

SKU 3G-CBM-04728

Also listed as: SX 5657840 · SX-5657840

Brand
Baxi
Item
Circuit board SX5657840 replaced by JJJ005678220
Part Number
SX5657840
Category
Boiler Spare Parts
UNSPSC
40101851 — Boiler parts and accessories
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Baxi
Manufacturer Part Number
SX5657840

Technical Documents

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Baxi Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Baxi Circuit Board SX5657840

Frequently Asked Questions

What is the Baxi circuit board SX5657840 used for?

The Baxi circuit board SX5657840 is a boiler spare part that controls ignition, temperature regulation, and safety functions in Baxi heating systems. It is commonly used in residential and commercial boilers for reliable operation. This part has been replaced by JJJ005678220.

What are the specifications of the Baxi circuit board SX5657840?

The Baxi circuit board SX5657840 is a replacement control board for Baxi boilers. It manages key boiler functions including burner sequencing and fault detection. The board is designed to fit specific Baxi models and is superseded by part JJJ005678220. For exact compatibility, consult your boiler manual.

Where to buy the Baxi circuit board SX5657840 in Singapore?

You can source the Baxi circuit board SX5657840 through 3G Electric in Singapore. We supply genuine Baxi boiler spare parts and handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this superseded part.

How to install the Baxi circuit board SX5657840?

Installation of the Baxi circuit board SX5657840 should be performed by a qualified heating engineer. Ensure the boiler is isolated from the power supply before replacing the board. Disconnect wiring carefully, mount the new board, and reconnect per the wiring diagram. Test operation after installation.

Used in

Common applications for Baxi
Residential boiler servicing — Baxi three-way valve SX0607250 replacement during annual maintenance
Commercial heating system repair — Baxi safety valve SX9950610 (7 bar) for pressure relief in high-capacity boilers
Fault diagnosis and repair — Baxi ignition electrode SX8422580 for no-ignition lockout issues
Preventive maintenance — Baxi fuse SX9950580 (2A) replacement in control panels to avoid electrical failures
Heating system retrofits — Baxi micro switch valve 3V SX5641800 for valve position sensing in older boiler models
Control board upgrade — Baxi circuit board SX5657840 (superseded by JJJ005678220) for boiler control system replacement
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Baxi Products

3G Electric supplies Baxi boiler spare parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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