Heatlink USA, Inc. simplifies the installation of injection systems with the series #65100 injection board. Each pre-engineered, fabricated and wired board includes the following: #31320 injection controller, DDC motor, pressure bypass valve, globe valve, pump, and isolating ball valves mounted in a locking metal cabinet. The #65100 is available in four Btu output sizes ranging from 70,000 to 195,000, based on supply water temperature, with a maximum gpm of 8.3 to 19.5, with pumping capacity of 11.0 to 16.5 feet of head. Heatlink USA, Inc. Circle 1.