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How to Find the Correct Gas Jets (Nozzles) for Your LPG Conversion
What to do if your new gas appliance did not come with a conversion kit
⚠️ The Problem: Your Appliance May Not Be Set for LPG
So you have bought a new or second-hand gas appliance such as a gas hob or cooker, and you realise there is no LPG conversion kit included.
This raises an important question:
How do you find the correct nozzle (jet) sizes for your appliance?
The nozzle size (or orifice size) is the size of the hole in the top of the jet, measured in millimetres.
⚠️ Why Jet Size Is So Important
Jet size directly controls how much gas flows through your appliance.
For example:
- A medium burner may require a 0.70mm orifice
- If you install a 0.65mm jet instead, less gas flows through
- This results in reduced burner power and performance
Correct sizing is essential for proper operation.
🔍 Step 1: Find Your Appliance Manual
As an example, if you have a Beko HIZG64120SX, follow these steps:
- Go to www.beko.co.uk
- Enter your model number in the search bar
- Select the correct model
- Scroll to the Support section
- Click Download Manual (PDF)
📊 Step 2: Find the Injector Table
Inside the manual, look for the technical specifications data table.
Usually on page 10, you will find an injector table showing jet sizes for each burner type.
Example information from the table:
- 1kW burner: 0.72mm (Natural Gas) / 0.50mm (LPG)
- Medium 2kW burner: 1.03mm (NG) / 0.72mm (LPG)
- Large 2.9kW burner: 1.15mm (NG) / 0.87mm (LPG)
🛠️ Step 3: Choose the Correct Jet Set
Once you have your injector sizes, you can select the correct conversion solution.
Good news: In the vast majority of cases, once you have identified the correct injector sizes from the manufacturer manual, Tezla Gas Products will have a matching jet set or conversion kit available. This includes both model-specific kits and more affordable generic jet packs.
On www.tezlagasproducts.co.uk you will find:
- A model-specific listing for the exact appliance
- A generic jet pack (cheaper option)
The generic packs include the required jet sizes, but may not include:
- Conversion label
- Green fibre washer
💡 Best Tip: Always Do Your Research First
Taking time to find the correct injector sizes will save you money and avoid incorrect purchases.
For example, brands like Belling and Stoves often sell conversion kits for around £50.
However, equivalent jet sets are available for less than half the price when you know the correct sizes.
📚 Where to Find Manuals If You Cannot Locate Them
If you cannot find the manual on the manufacturer’s website, one useful resource is:
www.manualslib.com
This site contains manuals for many manufacturers and models.
Simply follow the same process:
- Search model number
- Download manual
- Locate technical data table
- Find injector sizes
In most cases, the required information is available in the technical table.
📌 Key Takeaway
- Jet size controls gas flow and burner performance
- Incorrect orifice size reduces efficiency
- Always check the manufacturer injector table first
- Correct research saves money and avoids mistakes
👉 Next Step
Once you have your injector sizes, you can choose either a model-specific kit or a generic jet pack depending on your budget and requirements.
Browse LPG conversion kits and jet packs at Tezla Gas Products to match your appliance correctly.

