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This model is equipped with two SPDT auxiliary switches for position signaling and end-stop verification
The standard NBR (Buna-N) seals in this 8210 series valve are typically rated for fluid temperatures up to 180°F (82°C)
Always test the sensor's resistance with a multimeter before replacement to confirm it has drifted out of spec
Multi-Voltage Capability: Field-proven performance on line voltage HVAC controls ranging from 120V to 277V
Maintains boiler AFUE ratings by adhering to factory-specified gas flow characteristics
Armstrong Fluid Technology 816013-111K Flange Set 322838-753 This model is equipped withThe Armstrong Fluid Technology 816013 111K Flange Set and Hardware Kit is built for secure, leak resistant connections on hydronic circulator installations. This 3 4 inch flange kit is designed to match Armstrong pump connections, providing a proper seal and alignment when mounting circulators in closed loop heating or chilled water systems. Constructed from durable cast iron, this circulator pump flange set handles typical system pressures and
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