Add to Cart Siemens QBE3100UD100 Siemens MSRP: Now: $642.84 Was: Liquid Differential Pressure Sensor, 0-100 PSI, 4-20mA output for hydronic HVAC piping application. QBE3100UD100
Add to Cart Siemens QBE3190UD50 Siemens MSRP: Now: $921.32 Was: Liquid Differential Pressure Sensor, 0-50 PSI, with 3 valve manifold, 4-20mA output for hydronic HVAC piping application. QBE3190UD50
Add to Cart Siemens SKB82.50U Siemens MSRP: Now: $1,368.08 Was: E/H ACTUATOR 20MM 24VAC 3P NSR SKB82.50U
Add to Cart Siemens QFA4171 Siemens MSRP: Now: $854.62 Was: This Q-Series Outdoor Air Relative Humidity and Relative Humidity & Temperature Sensor monitors and transmits changes in humidity and temperature to the building control system. This unit is... QFA4171