Topic Tag: #Somachine hvac Search for: › PLCGurus.NET Live & Interactive Forum › Topic Tag: #Somachine hvacViewing topic 1 (of 1 total)TopicVoicesPostsLast Post Integrating existing expansion module to new Schneider M172 hvac controller Started by: Mark Foster in: Miscellaneous Automation Controllers22 2 years, 8 months ago Fred Graham Viewing topic 1 (of 1 total)