Armstrong Fluid Technology has announced two new enhancements to its Astro wet-rotor circulators that include a larger wiring box for easier access and faster wiring on the 220, 225, 230 and 250 Series circulators.
This larger 3” x 4.25” box includes a threaded connection to accept commercially available ½” NPT electrical connectors directly. The identical wiring box is also used on larger capacity Astro models.