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Baxi Broag S57783 Ignition and Ionisation Electrode, Boiler Igniter, Flame Sensor, Replacement Boiler Spare
- Manufacturer part number
- S57783
This item is available from our warehouse or a third-party supplier's warehouse. Delivery times vary depending on stock location. If you need it by a specific date, please contact us before ordering to confirm the latest estimated delivery time.
Questions about this part? Talk to our team
Phone: 01226 369637
Opening times
Monday to Friday 08:00 to 17:00
Saturday and Sunday: closed
Delivery
Free standard delivery on orders over £100 ex VAT. Orders below this carry a £7.95 inc VAT delivery charge. Express delivery items £19.95 inc VAT, allow 1 to 2 working days. Delivery details and surcharges
Description
Short Introduction
The Baxi Broag S57783 ignition and ionisation electrode is a genuine boiler spare designed to create the ignition spark and sense the burner flame for safe operation. It helps restore reliable start-up and stable running when an existing electrode is worn, cracked or failing. Ideal for fast, accurate boiler repairs and planned maintenance.
Key Features
- Ignition and flame sensing in one component – supports dependable burner ignition and safe flame proving.
- Direct replacement spare – designed for straightforward swap-out to get heating and hot water back quickly.
- Helps resolve common fault symptoms – can reduce issues such as ignition lockouts, intermittent flame failure and repeated reset cycles.
- Genuine Baxi Broag part – improves confidence in fit and performance versus non-genuine alternatives.
Use Case / Application
Designed for use within compatible Broag and Baxi boiler systems as the ignition electrode and ionisation (flame sensor) electrode. Typically fitted inside the combustion chamber area and used during servicing or breakdown repair.
Examples of where it is used:
- Domestic boiler repairs in homes, flats and rental properties
- Planned boiler servicing and preventative maintenance
- Restoring operation after flame sensing faults or ignition issues
Problem → Solution
Ideal for boilers suffering from ignition failure or flame detection faults, where replacing the electrode helps restore safe, reliable ignition and operation.
Product Specifications
- Manufacturer – Baxi
- Manufacturer Part Number (MPN) – S57783
- Product Type – Ignition and Ionisation Electrode (boiler electrode / flame sensor)
- Typical Applications / Use Cases – Boiler repair and servicing; ignition spark generation and flame sensing on compatible boiler models
Why Buy from BHL
Baxi parts are widely trusted across the heating industry for dependable performance and quality engineering, and the S57783 electrode is a key component for safe ignition and flame sensing. Buy online from BHL for competitive pricing, genuine parts and free and fast UK delivery* direct from our UK warehouses, delivered with care. BHL are a specialist online merchant, trusted by thousands of satisfied customers online since 1998 with thousands of 5 star reviews. Order the Baxi Broag S57783 today for a smooth, reliable repair.
*see our terms