
Quick overview
- Genuine Hayward Factory part FDXLBOP1930, the propane burner orifice kit for H-Series FD heaters.
- Liquid propane These are the LP orifices, sized differently from the natural gas set.
- Covers the FD range Listed for models H150FD, H200FD, H250FD, H300FD, H350FD and H400FD.
- Universal H-Series Low NOx Built for the Low NOx version of the Universal H-Series heater.
- ASME models included Also listed for the ASME pool and spa heater versions.
- Gas work is licensed work Orifice changes affect the fuel train, so have a qualified gas technician do the job.
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Product details
The Hayward FDXLBOP1930 is the liquid propane burner orifice kit for the Universal H-Series Low NOx heater in the FD range. The orifices are the small metered jets that meter gas into each burner, and their size is what matches the heater to the fuel it is burning.
What it fits
Hayward lists this kit for the Universal H-Series Low NOx heaters H150FD, H200FD, H250FD, H300FD, H350FD and H400FD, and for the ASME pool and spa heater versions of the same range. Check the model plate on your heater against that list before ordering.
Propane, not natural gas
Propane orifices are drilled smaller than natural gas orifices because propane carries more energy per unit of volume. Fitting the wrong set gives you either a starved flame or an overfired heater, so the gas type on the kit has to match the gas at the meter or the tank.
Who should install it
Orifice work sits inside the fuel train. Have a qualified gas technician fit the kit and verify manifold pressure and burner appearance afterward.
| Brand | Hayward |
|---|---|
| Manufacturer part number | FDXLBOP1930 |
| UPC | 610377072793 |
| Type | Burner orifice kit |
| Part type | Pool heater part |
| Gas type | Liquid propane |
| Fits | Hayward Universal H-Series Low NOx heaters H150FD, H200FD, H250FD, H300FD, H350FD, H400FD |
| Also listed for | ASME pool and spa heater models |
| Shipping weight | 0.21 lb |
| Ships | Parcel |
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