If there is a newer firmware version available than the one currently installed on your converter, you will see the message ‘There is the latest firmware for the converter’. Shop for Sigma in Pipe Fittings at Ferguson. • 2-64” C110 Cast Iron/Ductile Iron Flanged Fittings • 3-24” C153 TRIM TYTON ® Compact Push On Fittings • 4-24” C110 Full Body Push On Fittings • C116 Fusion Bonded Epoxy lining avaiable • PROTECTO 401 ® Ceramic Epoxy lining available • Prepackaged and loose mechanical joint accessories As the only supplier of restraints in sizes 54”, 60”, and 64”, SIGMA offers restraint and fittings packages for these large-diameter systems. SIGMA Offers Restraint + Fittings Package in Large-Sized Mechanical Joint Assemblies. In addition, SIGMA offers these convenient packages in the full size range, 3 … Global Website of SIGMA. Connect the SIGMA MOUNT CONVERTER MC-11 to a computer with the included USB cable, then open SIGMA Optimization Pro*. Introducing products, corporation information, support information, news, brand contents and more. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.