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Senva
Senva PW31-X-100C : Wet-Wet Differential Pressure Transducer, 0-100PSI, 4-20mA Output, 7-Year Warranty
MSRP: $964.27$395.75 -
Siemens
Siemens 599-00214 : 2-Way 1/2" 599 Series Zone Valve, Threaded NPT Connection, Cv Rating 4.0 (Valve Only)
MSRP: $77.81$29.57 -
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Siemens
Siemens QFM2101 : Duct Humidity Sensor, 5% rH Accuracy, 4-20mA Output, 5-Year Warranty
MSRP: $407.32$154.78 -
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Viconics
Viconics R820-PCB-A01 : Replacement Circuit Board For R820-REV2 SCR Power Controller , 24 VAC Electronic PCB, 1 or 3 phases
MSRP: $330.64$123.00