Designed with user convenience in mind, the Graco's Reactor E-20 Proportioner Package features powerful hybrid heaters for optimal temperature control, circulation valves with longer-lasting seals, and modular heater control boards that minimize downtime. The hose heat transformer eliminates the need for tap settings, and the system is easy to maneuver with quick knockdown lower pumps for straightforward maintenance. Constructed from durable materials, the Reactor E-20 is built to withstand the demands of spray foam applications, offering longevity and reliability.