SFP71U | Zone Valve Electronic Actuator, 24 Vac, 2-Position, NO, SR. | Siemens

SF Series electronic zone valve actuator, 24 Vac, normally open, 2-position, with spring return. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. UL listed for plenum installations, manual override.