Gas adapter for small cylinders (20 mm BSPP 1/2" M left to 16 mm BSPP 3/8" F left)
Are you looking for a reliable, safe and cost-effective solution for connecting your gas equipment? The Gas Adapter for Small Cylinders (Product Code: S10396 / M78399 / 61288-01) is a high-quality reducing adapter that allows for a quick, easy and completely tight adjustment between different gas threads. This durable adapter reducer is an indispensable accessory for anyone using gas burners, stoves and other gas appliances that require precise thread adjustment without leaks.
This gas adapter is specially designed as an original replacement part for the WilTec burner gas hose (article number 61288). Due to its standardized dimensions, it is also extremely versatile and can be used for many other gas systems and applications. Whether you are a professional craftsman, farmer or passionate DIYer, this adapter will ensure that your gas installation works flawlessly. Just check the dimensions of your connections before purchasing.
Key benefits of using a gas adapter
When working with gas, safety and sealing are always top priorities. This gas cylinder adapter offers numerous advantages that ensure worry-free and long-lasting use:

Complete Compatibility and Conversion: Seamlessly converts 20mm BSPP (1/2") left-hand male thread to 16mm BSPP (3/8") left-hand female thread.
Original replacement part: Ideal as an official spare part for the WilTec burner gas hose (article 61288), ensuring a 100% match.
Versatile use: A great accessory for gas torches, burners, welding equipment and small gas cylinders that fit the specified dimensions.
Maximum safety at work: The top quality of workmanship and materials ensures a tight fit without gas leakage, which is key for safe work at home, in the workshop or in the field.
Easy installation: The thread tightens extremely quickly, smoothly and without the need for complex or specialized tools.
Extremely affordable solution: Instead of buying new, expensive gas pipes or entire sets, you can solve the incompatibility problem simply and at an extremely affordable price.

Technical features and product specifications
To ensure a perfect match with your existing gas installation, please see the exact technical data of this reducing adapter:

Product type: Gas adapter / reducing valve for small cylinders
External thread (M - male): 20 mm BSPP 1/2" left-hand thread
Internal thread (F - female): 16 mm BSPP 3/8" left-hand thread
Compatibility: Suitable for WilTec burner gas hose (item no. 61288) and other compatible gas systems
Identification codes (SKU): S10396, M78399, 61288-01
Price: €9.99

Why choose this gas reducer for your gas burners?
When working with gas burners and small cylinders, users often encounter a problem when the threads of the hose and the cylinder do not match. Different standards can quickly cause gray hairs, especially when you urgently need a working tool. Instead of wasting money on new hose sets or regulators, this gas adapter offers an elegant solution. At only €9.99, this adapter represents an extremely affordable investment in the functionality and safety of your gas equipment.
Thanks to the precise machining of the threads (left-hand thread, which is standard for gas installations), the adapter ensures an optimal seal and prevents dangerous gas leaks. High-quality materials ensure resistance to wear, mechanical damage and weathering, which means that the adapter will serve its purpose for many years. Whether you use it for agricultural work, laying waterproofing, welding or camping, this gas adapter will ensure that your work with the burner runs smoothly, safely and without interruption.
Frequently Asked Questions (FAQ) about the product
1. Which devices and systems is this gas adapter suitable for?
The adapter is primarily designed as a replacement part for the WilTec burner gas hose (article 61288). However, due to its standard dimensions, it is fully usable for any gas appliances, burners, burners or small cylinders from other manufacturers that require a reduction from 20 mm BSPP (1/2") external left-hand thread to 16 mm BSPP (3/8") internal left-hand thread.
2. How do I know if this adapter will fit my gas cylinder or hose?
Please be sure to accurately measure the thread diameters on your existing equipment before purchasing. This adapter has a 20 mm (1/2" BSPP M) external left-hand thread on one side and a 16 mm (3/8" BSPP F) internal left-hand thread on the other side. If the dimensions of your connections match these specifications, the adapter will fit your equipment perfectly.
3. Is installing the adapter difficult and do I need special tools?
No, installation is extremely simple and quick. Since these are standard gas threads (left-hand thread), you simply screw the adapter by hand between the pipe and the cylinder or burner and then tighten gently with a suitable wrench. For maximum safety, we recommend that after each installation, check the tightness of the joint using soapy water or a specialized leak detection spray before lighting the burner.


Responsible persons:
MAR-POL - MAR-POL SCIMPORT EXPORT M.ŚCIANA, K.ŚCIANA, 26-020 Chmielnik, Suchowola 6a, Poland, obsluga@mar-pol.sklep.pl, +48607865357
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

WILTEC - WilTec Wildanger Technik GmbH Wilhelm-Lexis-Str. 8 52249 Eschweiler Germany service@wiltec.info (+49) 2403-9779770
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

Instructions for using the product:
• Before installation, check that the adapter thread matches the thread of the cylinder or gas equipment.
• Screw the adapter in by hand and then tighten it properly, without excessive force.
• Check that the joint is clean and that the gasket is correctly installed.
• After connecting, slowly open the gas supply.
• Check the connection with soapy water – if bubbles appear, immediately close the gas supply and check the connection again. The adapter is designed to reduce 1/2" BSPP external left-hand thread → 3/8" BSPP internal left-hand thread.

Useful tips for work:
• Always check the exact dimensions and thread type on the cylinder and hose before use.
• The adapter is suitable for compatible small gas cylinders, burners and gas pipes.
• The thread must be clean and undamaged.
• Always check the system for leaks after connection.
• Store the adapter in a dry place and protect it from impacts.

Warnings:
• Gas is flammable – do not use near open flames or sparks.
• Always turn off the gas supply before connecting and removing the adapter.
• Do not use a damaged adapter, seal or thread.
• If you smell gas, immediately turn off the supply, ventilate the room and do not use electrical switches or open flames.
• Only use the adapter for the gas systems for which it is intended and do not exceed the permitted pressure.

Same summary

The gas adapter for small cylinders is a useful accessory for anyone who needs a quick and practical solution for connecting smaller gas cylinders when working in the garden, workshop or in the field. It is most useful for small soldering, heating and servicing jobs without electricity or in situations where quick equipment changes are important. However, for more complex work with higher-powered soldering irons or tasks where precise temperature control is required, the adapter may not be the best choice.

For safe and efficient use, we recommend that you also pay attention to the safety features and suitability of the adapter according to the type of fuel and device.

Recommendation source: Enaa guides and team experiences.

User view

This type of gas adapter is most commonly used by DIY enthusiasts, modelers, and anyone who occasionally needs a portable heat source or the ability to solder outdoors. It is useful in situations where an electrical outlet is not available or desirable, such as for quick vehicle repairs, garden work, or hobby projects at home.

Users appreciate Mar-Pol brand products primarily for their good balance between practicality and reliability, which are important when working with gas soldering tools.

Why buy at Enaa

At Enaa you will find a wide range of tools and accessories for gas soldering, which you can easily compare or filter according to their suitability for your use. We build trust on the transparency of technical data and professional descriptions, which allows you to make a safer and more informed choice when purchasing.

Answers to frequently asked questions

Which devices is this gas adapter suitable for?

The adapter is designed for use with smaller gas cylinders and is suitable for many soldering devices, torches, and some other devices that support the appropriate connection type.

Is the adapter safe for indoor use?

It is recommended that you use gas adapters and associated devices in well-ventilated areas or outdoors to avoid any potential gas buildup.

How do I know if my burner is compatible with this adapter?

Before use, check the specifications of your device and the type of connection. If you are unsure, check the markings on the device or consult the manufacturer's instructions.

Is the adapter also suitable for larger heating tasks?

The adapter is best suited for smaller and medium-demanding tasks; for larger heating or industrial use, we recommend checking the device's capacity and possibly using larger systems.

What should I pay attention to when maintaining the adapter?

Check the seals after each use and store the adapter in a dry place, away from heat sources and open flames.

Description updated: April 2026