
Quick overview
- Genuine Hayward kit The factory FDXLIGN1930 ignitor kit, not a generic ignitor.
- Universal H-Series Covers the Low NOx H-Series range, models H150FD, H200FD, H250FD, H300FD, H350FD and H400FD.
- Kit, not just the element Supplied as a kit so the mounting hardware and gasketing go in with the ignitor.
- First stop on no lightoff An ignitor that has cracked or gone open circuit is the most common reason a heater cycles but never fires.
- Wear item Ignitors are consumable. Every ignition cycle heats and cools the element, and they eventually fail.
- Works with the flame sensor The flame sensor is a separate Hayward part, and both are worth checking together on an ignition fault.
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Product details
The Hayward FDXLIGN1930 is the ignitor kit for Universal H-Series Low NOx pool heaters, covering models H150FD, H200FD, H250FD, H300FD, H350FD and H400FD. It is the genuine Hayward part.
Why ignitors fail
The ignitor takes the full thermal cycle every time the heater calls for heat, going from ambient to glowing and back again. Over enough cycles the element develops hairline cracks or simply goes open circuit. The heater then runs through its startup sequence, purges, and locks out without ever lighting the burner, which is the fault most owners describe as the heater trying but not starting.
Diagnosing before you swap
An ignitor and a dirty flame sensor produce similar symptoms, so it is worth checking both. The ignitor fails to light the burner at all. A failed flame sensor lets the burner light and then shuts it down seconds later because the control never sees flame. The flame sensor is a separate Hayward part.
| Brand | Hayward |
|---|---|
| Manufacturer part number | FDXLIGN1930 |
| UPC | 610377072878 |
| Type | Ignitor kit |
| Part type | Pool heater part |
| Fits | Hayward Universal H-Series Low NOx heaters, models H150FD, H200FD, H250FD, H300FD, H350FD, H400FD |
| Shipping weight | 1 lb |
| Ships | Parcel |
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