Showing 181–198 of 1408 results

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• 

  Siemens QFM3100 Duct Humidity Sensor, 0-10V, 2%

  $220.96
• 

  Siemens QFM3101 Duct Humidity Sensor, 4-20mA, 2%

  $220.96
• 

  Siemens QFM3160 Duct Temperature and Humidity Sensor, 0-10V, 2%

  $243.82
• 

  Siemens QFM3160D Duct Temperature and Humidity Sensor, Display, 0-10V, 2%

  $309.05
• 

  Siemens QFM3171 Duct Temperature and Humidity Sensor, 4-20mA, 2%

  $243.82
• 

  Siemens QFM3171D Duct Temperature and Humidity Sensor, Display, 4-20mA, 2%

  $309.05
• 

  Siemens QFM4160 Duct Temperature and Humidity Sensor Certified

  $586.24
• 

  Siemens QFM4171 Duct Temperature and Humidity Sensor Certified

  $569.16
• 

  Siemens QFM81.2 Duct Hygrostat with setpoint adjustment

  $155.20
• 

  Siemens QFM81.21 Duct Hygrostat w/ Covered Setpoint Dial, SPDT

  $191.81
• 

  Siemens QVM62.1 Duct Air Velocity Sensor

  $187.30
• 

  Siemens QXA2100 Condensation Monitor (95%)

  $105.04
• 

  Siemens QXA2101 Condensation Monitor w/ Remote Sensor (95%)

  $127.38
• 

  Siemens SSD81.5U Valve Actuator

  $141.09
• 

  Siemens 134-1083 Room Thermostat Line Voltage

  $439.38
• 

  Siemens 134-1084 Room Thermostat Line Voltage

  $248.10
• 

  Siemens 134-1085 Room Thermostat Line Voltage

  $217.94
• 

  Siemens 134-117 Thermostat Guard

  $197.80