Under Control Instruments are suppliers of Gas Interlock Systems. They are a legal requirement for any commercial kitchen to protect the occupants of dangerous gases. They measure the airflow by measuring the fans air pressure or fan speed by the monitoring the motors current.

The full system comprises a control panel, solenoid valve and emergency stop button.

Gas Interlock System Current Sensing


Extractor Fan Speed Controller – 10A


Extractor Fan Speed Controller – 5A


Emergency Push Button Gas Box Yellow – Push Reset


Emergency Push Button Gas Box Yellow – Break Glass


Co2 Carbon Dioxide Transmitter/Controller

Starting From: £84.00

Mushroom Emergency Stop Button

Starting From: £5.52

Differential Pressure Switch

Starting From: £14.14