StockCap safeguards HVAC components from dirt, dust, and moisture. The company supplies the HVAC industry with plastic end caps, vinyl caps, tube end caps, tapered plugs and rubber seal plugs, which work extremely well with copper tubing. To assist HVAC design engineers, the StockCap website displays the best options specific to each major component. The company’s online store provides smaller quantities to help during the prototype and testing phases of component design.

StockCap, 123 Manufacturers Drive, Arnold, MO 63010; 800-827-2277; 636-282-6888 (fax);