Gaslow
Gaslow W20 Changeover Gauge Propane
£37.74
https://www.gasproducts.co.uk Go to shop Description
Designed to create a twin cylinder gas system for new caravans. This unit simply screws on to your 30mbar regulator and allows you to re-connect your existing hose and (with an additional hose) turn your system into a manual changeover with built in leak detection and low level indicator.