SF Series electronic zone valve actuator, 24 Vac, normally closed, 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.
SF Series electronic zone valve actuator, 24 Vac, normally closed, 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.
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