The COMPASS R from Armstrong Fluid Technology has a high-efficiency dry rotor design, optimized hydraulics, replaceable mechanical seal, bolt-for-bolt connection compatibility with a range of installed three-piece circulators and an onboard control panel for easy selection of the appropriate operations mode and flow. It is available in .25 hp to 1.5 hp models with a maximum flow rate of 225 gpm and maximum head of 65 feet. The COMPASS R complies with EEI<0.22 and a large wiring chamber. 800/356-9845; www.armstrongfluidtechnology.com.