The Johnson Controls H91CA-21D Hot Top Valve with 1/4" CCT Pilot Fittings is a gas control valve designed to regulate fuel flow in commercial cooking equipment. This valve operates in conjunction with a pilot system, using the 1/4" CCT pilot fittings to monitor the pilot flame and control the opening and closing of the main gas supply. When proper pilot ignition is confirmed, the valv... https://www.partsfe.co.uk/johnson-controls-h91ca-21d-hot-top-valve-w-1-4-cct-pilot-fittings