P.L. Sherman Co., Inc. is a manufacturers representative for premium HVAC and industrial heat transfer, fluid pumping and fluid filtration products. These fine companies include Marley, Recold and Ceramic cooling towers and fluid coolers, cooling tower repair services and parts; Mueller plate heat exchangers, FloFab, American-Marsh, National Pump and Franklin pumps; Griswold Water Systems separators and non-chemical water treatment systems; Spirotherm air and dirt separators as well as a variety of other supporting products.. P.L. Sherman Co.,Inc. is a manufacturers representative for premium HVAC and industrial heat transfer,fluid pumping and fluid filtration products. These fine companies include Marley,Recold and Ceramic cooling towers and fluid coolers,cooling tower repair services and parts; Mueller plate heat exchangers,FloFab,American-Marsh,National Pump and Franklin pumps; Griswold Water Systems separators and non-chemical water treatment systems; Spirotherm air and dirt separators as well as a variety of other supporting products.