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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
and liquid temperature sensing via optional immersion wells
Durable Construction: Heavy-duty insulation protects conductors against moisture
Unlike standard liquid line driers
Optimal Airflow: The wire-grid design prevents heat buildup
Built with 1/8" female NPT connections
Armstrong International D24659 Thermostatic Operator Freon and liquid temperature sensing viaThe Armstrong International D24659 (also identified by part number 6005639) is a heavy duty LV 4W Remote Wall Mounted Thermostatic Operator designed for precise temperature regulation in hydronic heating systems. This non electric thermostatic head features a remote wall mounted sensor and a liquid filled element, ensuring reliable valve actuation based on ambient room conditions rather than local pipe temperature. Built for compatibility with
