HomeGas Interlock Gas Interlock Showing all 2 results Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Random £196.60 Co² Carbon Dioxide Sensor for Gas Interlock System – Under Control LTD Store: Under Control Add to compare £100.00 Gas Interlock Solenoid Valve – 1.1 – 4″ – Under Control LTD Store: Under Control Add to compare