GAMMA 652-O Natural gas and LPG detector with acoustic alarm and output relay Code: 59ad197508c9 Quantity Add to Quote View Quote Related products GF020SC – GAS FILTER 1/2, 3/4, 1 Small capacity Pmax 6 bar Add to Quote Gas Ball Valve – 2″ BSP P F Yellow Lever Handle Add to Quote Mini Gas Ball Valve – 10mm x 10mm Compression Add to Quote Single Cast iron Boiling Ring Add to Quote