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Product Description


Saunier Duval Part Number: 05707900

Fitted to Saunier Duval ISOFAST Models and some other boilers and water heaters:

This item is now unavailable from Honeywell or spare parts suppliers, it is classed as 'OBSOLETE'.

We have a small number of these PCBs for Direct Sale, no need to send us your old PCB.

Just place your order via our website and we will send the PCB within 24 hours of your order being placed.

We also offer a repair service for all S4565 Series Ignition Boxes.

This style of ignition control box is used in many appliances such as warm air heaters, gas boilers, and other gas appliances.
2 year guarantee on all our reconditioned PCBs



Customer Reviews

Direct Sale PCB Saunier Duval ISOFAST Honeywell Ignition Box S4565QD 1004