International boiler author and BNP Media Plumbing Group Columnist Ray Wohlfarth will teach a class on low-pressure steam systems. Classes will be held in Astoria, N.Y. (Oct. 18), Timonium, Md. (Oct. 26) and Cleveland (Nov. 1).

The course will cover installation, design and maintenance of steam systems. Classes run from 5:30 p.m. to 8:45 p.m., and includes dinner. The cost is $149. If you’d like more information on the classes, contact Wohlfarth at or 412/343-4110.