Butane Cylinders - 4.5Kg
Cylinder connection can be a real area of confusion for customers, which is why we have compiled a guide to help you.
This section of the guide shows you step-by-step how to properly connect a 4.5kg butane cylinder to your appliance, with details of how to remove and replace regulators.
Follow the steps below, taking special note of the safety warnings.
How to Connect a 4.5Kg Butane Cylinder
This cylinder takes a regulator that screws on to the valve outlet. Both have a connecting nut that incorporates a black sealing washer.
-
Check that the valve handwheel is off by turning clockwise
Remove protective black cap and retain for future use.
-
Inspect the black sealing washer on the regulator for damage before connecting. Replace the washer if faulty.
-
Fit the connecting nut (left hand thread) to the cylinder
using a suitable spanner.
Tighten firmly, but do not over-
tighten as this can damage the washer. -
When gas is required, turn the valve handwheel anticlockwise.
How to Disconnect a 4.5Kg Butane Cylinder
-
NEVER disconnect the regulator (or connecting nut) with
the cylinder valve open. -
Turn the valve handwheel off (clockwise rotation).
-
WAIT until the burner and pilot lights have gone out.
If the flame does not go out – leave appliance alight and

contact the Calor Gas Emergency Service number on 08457 444 999. -
Disconnect the regulator (left hand thread) with a suitable spanner.
-
Screw protective black cap back on to cylinder valve outlet.
