Showing 97–120 of 415 results
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DIGITAL ROOM SENSOR W/ HUMIDIT
$792,99 Read more -

Digital Thermostat, 10 ft. Sensor L, THERMOSOFT, Mfr# UDG-4999
$219,99 Add to cart -

Digital Thermostat, 15 ft. Sensor L
$237,99 Add to cart -

Digital Thermostat, 15 ft. Sensor L, Thermosoft, Mfr#: UWG4-4999
$331,99 Add to cart -

Digital Time Clock, Wall Mount
$245,99 Read more -

Display
$1751,99 Read more -

Display Board, 5″x7-3/4″, Standard Tier
$2394,99 Add to cart -

Dual Aquastat Controller, Horizontal, HONEYWELL, Mfr# L4081B1096
$329,99 Add to cart -

Duct Averaging Sensor, 12 Ft, 20K Ohm
$135,99 Read more -

Duct CO2 Sensor, 24VAC, SIEMENS, Mfr# QPM2100
$418,99 Add to cart -

Duct Humidity – Temp Sensor, 4-20mA
$250,99 Read more -

Duct Humidity – Temp Sensor, w/Display
$337,99 Add to cart -

Duct Humidity – Temperature Sensor
$203,99 Add to cart -

Duct Humidity – Temperature Sensor, Mfr#: QFM3160, SIEMENS
$270,99 Add to cart -

Duct Humidity Sensor, 0-10VDC, SIEMENS, Mfr# QFM3100
$245,99 Add to cart -

Duct Humidity Sensor, 4-20mA
$245,99 Add to cart -

Duct Humidity-Temp Sensor, 4-20mA, Display
$356,99 Add to cart -

Duct Humidity, Mfr#: HE-67P2-0N00P, JOHNSON CONTROLS
$496,99 Read more -

Duct Hygrostat,w/Internal Setpoint, Mfr#: QFM81.21, SIEMENS
$220,99 Read more -

Duct Mnt Temp Sensor; 6 in. Leads
$115,99 Read more -

DUCT SENSOR
$483,99 Read more -

Duct Sensor, 16 ft., Flexible, 375a RTD
$131,99 Read more -

Duct Sensor, 16 ft., Flexible, 385a RTD
$107,99 Add to cart -

Duct Sensor, 16 ft., Flexible, 4-20mA
$133,99 Add to cart