Quick Summary
The CALOR GAS Butane 21mm Clip On Regulator is a blue regulator for butane gas cylinders with a 21mm valve. It is described as fitting Calor 15kg, 12kg and 7kg blue butane cylinders, and it may also suit other brands fitted with a 21mm valve.
Who It Is Best For
This is for buyers who need a clip on regulator for a butane cylinder and already know they need a 21mm valve fit. It is most useful if you are replacing a matching regulator or checking a cylinder connection before purchase.
What To Know Before You Buy
Please check the cylinder valve size before ordering, as more than one fitting size exists. Compatibility is stated for Calor 15kg, 12kg and 7kg blue butane cylinders, and other brands may fit if they use a 21mm valve.
Pros: Suitable for 21mm valve butane cylinders and clip on use.
Cons: You should verify the exact valve size and cylinder type before buying.
Common Buyer Questions
What gas cylinders does this regulator fit?
It is described as fitting butane gas cylinders with a 21mm valve.
Will it fit Calor cylinders?
It is stated to fit Calor 15kg, 12kg and 7kg blue butane cylinders.
Can it be used with other brands?
Other brands may fit if they are fitted with a 21mm valve, but the valve size should be checked before purchase.
Is the fitting size important?
Yes, because more than one size fitting exists and the valve size needs to match.
What type of regulator is it?
It is a clip on regulator.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | CALOR GAS |
| Product type | Butane clip on regulator |
| Valve size | 21mm valve fit |
| Compatible cylinders | Calor 15kg, 12kg and 7kg blue butane cylinders |
| Other brand fit note | May fit other brands with a 21mm valve |
| Colour | Blue |
| Standard | EN16129 |
Final Buying View
If you need a blue butane clip on regulator for a 21mm valve, this CALOR GAS option is clearly identified and gives a useful fit guide for Calor cylinders. The main thing is to check the valve size before ordering so you get the right match for your cylinder.






