Grundfos’ UP Two-Way Zone Valves for hydronic heating applications incorporate a 24-VAC, normally closed, motorized actuator that is removable with the push of a built-in button for easier installation and servicing.
The SEEKER 400 Series of wireless video inspection systems from General Tools & Instruments now includes three models that feature multiple, interchangeable camera-tipped probes and the ability to stream live video over the Internet.