this assembly provides the precision required for tight turndown ratios and high-velocity air streams

Technicians should inspect the diaphragm during routine maintenance or if the valve exhibits "hunting" or delayed shut-off

Durable Construction: High-grade insulation protects against common failure points like moisture buildup and coil burnout

like this 60A model

The SPDT contact system is rated for 16 AFL / 96 ALR at 120V AC

Siemens Building Technology SSD61.5U Actuator 319852-301 this assembly provides the precisionThe Siemens SSD61. 5U is a high performance 0 10Vdc electronic valve actuator engineered for precise proportional control in HVAC applications. Designed for seamless integration with 1 2 inch to 1 1 4 inch Pressure Independent Control Valves (PICV), this unit delivers a nominal force of >56 lbs (250N) to ensure reliable operation in chilled and hot water systems. A critical feature of the SSD61. 5U is its spring return fail safe mechanism, which