On Sale! Quick view Compare Siemens MXG461.25-8.0U 1" Magnetic Valve 0-10Vdc Was: $1,759.17 Now: $1,099.82 Choose Options
On Sale! Quick view Compare Siemens MXG461.32-12U 1.25" Magnetic Valve 0-10Vdc Was: $1,836.41 Now: $1,124.86 Choose Options
On Sale! Quick view Compare Siemens MXG461.40-20U 1.5" 0-10Vdc Magnetic Valve 23.4 Was: $1,984.05 Now: $1,240.41 Choose Options
On Sale! Quick view Compare Siemens MXG461.50-30U 2" Magnetic Valve 0-10V Was: $2,128.93 Now: $1,304.04 Choose Options
On Sale! Quick view Compare Siemens MXG461B50-30 2" Magnetic Valve 35.1Cv Was: $3,676.06 Now: $2,298.24 Choose Options
On Sale! Quick view Compare Siemens QAA22SS.EWSN 55/95F Rm Sensor; 0-5V/10V/4-20Ma Was: $157.26 Now: $98.32 Choose Options
On Sale! Quick view Compare Siemens QAC2012U Outdr Plat Temp Sensor, 1000 Ohm Was: $71.35 Now: $44.61 Choose Options
On Sale! Quick view Compare Siemens QAC2030U Outdr Ntc Temp Sensor, 10K Ohm,Typ2 Was: $61.36 Now: $38.36 Choose Options
On Sale! Quick view Compare Siemens QAD2012U Pipe Strap-Ontemp Plat Sensor, 1K Was: $77.36 Now: $48.36 Add to Cart The item has been added
On Sale! Quick view Compare Siemens QAE2012.010 Imrsn Temp Plat Sensor, 1000 Ohm, 4" Was: $81.07 Now: $50.68 Choose Options
On Sale! Quick view Compare Siemens QAE2020.005 Imm Well Sensor Ni 1000 Ohm, 2.5" Was: $93.22 Now: $58.28 Choose Options
On Sale! Quick view Compare Siemens QAE2030.005 Imm Temp Ntc Snr, 10K Ohm, Ty2,2.5" Was: $64.42 Now: $40.27 Choose Options
On Sale! Quick view Compare Siemens QAH11.1 Changeover / Remote Sensor Was: $23.03 Now: $14.40 Choose Options
On Sale! Quick view Compare Siemens QAM1035.008P50 Duct Temp Sensor, 100K, 50Pack Was: $1,112.68 Now: $687.19 Choose Options
On Sale! Quick view Compare Siemens QAM2012.045 Duct Temp Sensor 1000 Ohm 18" Plat Was: $48.14 Now: $30.10 Choose Options
On Sale! Quick view Compare Siemens QAM2030.010 Duct Sensor 10K Ohm 4" Long Was: $34.65 Now: $21.66 Add to Cart The item has been added
On Sale! Quick view Compare Siemens QAM2030.020 10K Ohm Ntc Duct Sensor, 8"Prob, Typ2 Was: $34.65 Now: $21.66 Add to Cart The item has been added
On Sale! Quick view Compare Siemens QAM2030.045 10K Ohm Ntc Duct Sensor, 18"Prob,Ty2 Was: $35.72 Now: $22.33 Add to Cart The item has been added
On Sale! Quick view Compare Siemens QAM2030.750 10K Ohm Ntc Duct Sensor, 24'Prob,Tp2 Was: $138.81 Now: $86.78 Add to Cart The item has been added
On Sale! Quick view Compare Siemens QFA3160 Rh 0-10Vdc T 0-10Vdc Was: $427.89 Now: $265.35 Choose Options
On Sale! Quick view Compare Siemens QFA3171 Outside Air Rh/Temp Sens 4-20 Was: $427.89 Now: $265.35 Choose Options
On Sale! Quick view Compare Siemens QFM2101 Sensor (Duct) Rh 4-20 Ma Output Was: $244.53 Now: $151.02 Choose Options
On Sale! Quick view Compare Siemens QFM2160U Duct Rh & Temp Control Was: $281.51 Now: $174.57 Choose Options
On Sale! Quick view Compare Siemens QFM2171 Duct Sensor 4-20 Ma Was: $281.51 Now: $175.29 Choose Options
On Sale! Quick view Compare Siemens QFM3100 Sensor Duct Rh 0-10Vdc Was: $349.11 Now: $217.38 Choose Options
On Sale! Quick view Compare Siemens QFM3101 Sensor, Duct Rg 2% Was: $349.11 Now: $217.38 Choose Options
On Sale! Quick view Compare Siemens QFM3160 Temp/Rh Sensor 2 0/10Vdc Outpt Was: $385.22 Now: $239.86 Choose Options
On Sale! Quick view Compare Siemens QPA2000 Room Sensor Co2 0-10Vdc Was: $476.90 Now: $295.74 Choose Options
On Sale! Quick view Compare Siemens QPM2100 Co2 Duct Sensor, 0To10Vdc Was: $653.52 Now: $403.61 Choose Options
On Sale! Quick view Compare Siemens R540-100 Refurbished Teminal Box Cntrl Was: $694.43 Now: $428.88 Choose Options
On Sale! Quick view Compare Siemens SAX61.03U Elec Mech Actuator 0-10Vdc 30Sec Nsr Was: $554.83 Now: $344.07 Choose Options
On Sale! Quick view Compare Siemens SAX81.03U Elec Mech Actuator 3 Pos 30Sec Nsr Was: $481.09 Now: $298.34 Choose Options
On Sale! Quick view Compare Siemens SFA11U 120V N/C 2Pos S/R Zone Valve Actuator Was: $119.49 Now: $74.71 Choose Options
On Sale! Quick view Compare Siemens SKB62U 0-10 Vdc/4-20 Ma 3/4" Stk24V (291) Was: $2,013.29 Now: $1,233.21 Choose Options
On Sale! Quick view Compare Siemens SKB62UA E/H Actuator 20Mm 24Vac Mod Sr Was: $2,199.31 Now: $1,358.29 Choose Options
On Sale! Quick view Compare Siemens SKC62U 0-10 Vdc/0-20 Ma 1.5" Stk24V (294) Was: $2,196.21 Now: $1,345.25 Choose Options
On Sale! Quick view Compare Siemens SKC82.61U 24V 3 Pos Sr Actuator (292) Was: $2,043.79 Now: $1,251.89 Add to Cart The item has been added
On Sale! Quick view Compare Siemens SKD62U 0-10Vdc/4-20Ma Sr 24V (274) Was: $1,292.46 Now: $794.95 Choose Options
On Sale! Quick view Compare Siemens SKD62UA 24V 0-10Vdc S/R Reversible Actuator Was: $1,278.48 Now: $786.35 Choose Options
On Sale! Quick view Compare Siemens SKD82.50U 24V 3-Pos.Nsr Actuator (275) Was: $928.06 Now: $573.17 Choose Options
On Sale! Quick view Compare Siemens SKD82.51U 24V 3-Pos. Actuator, S/R (276) Was: $1,143.16 Now: $706.01 Choose Options
On Sale! Quick view Compare Siemens SSA81U 24V N/C Fltng Nsr Zone Valve Actuator Was: $137.11 Now: $85.72 Choose Options
On Sale! Quick view Compare Siemens SSD61U 24V 0-10Vdc Nsr Picv Actuator Was: $210.16 Now: $131.39 Choose Options
On Sale! Quick view Compare Siemens SSD81U 24V Nsr Floating 3 Pos. Actuator Was: $146.48 Now: $91.58 Choose Options
On Sale! Quick view Compare Siemens VMP42.09(2) 1/2" Npt 2 Or 3Way Valve .29Cv Was: $225.83 Now: $141.19 Choose Options
On Sale! Quick view Compare Siemens VMP42.10(2) 1/2" .47Cv 2Or3W Valve Use W/Ssc Was: $225.83 Now: $140.04 Add to Cart The item has been added
On Sale! Quick view Compare Siemens VMP42.11(2) 1/2" .74Cv 2W Or 3W Valve Body Was: $225.83 Now: $141.19 Choose Options
On Sale! Quick view Compare Siemens VMP42.13(2) 3/4" Npt 2 Or 3Way 1.9Cv Valve Body Was: $281.34 Now: $175.18 Choose Options
On Sale! Quick view Compare Siemens VVP45.15-2.5 3/4" 2W 2.9Cv Zone Valve Was: $181.34 Now: $113.37 Choose Options
On Sale! Quick view Compare Siemens VXG44.15-4 1/2"3 Way 4.6Cv Valve Body Was: $378.94 Now: $235.95 Choose Options
On Sale! Quick view Compare Siemens VXG44.32-16 1 1/4" 3 Way Mixing 18.5Cv Body Was: $654.85 Now: $404.43 Choose Options
On Sale! Quick view Compare Siemens ZM101/A Intrf Mod 0-10Vdc 40W Ip54 Was: $520.40 Now: $322.71 Choose Options
On Sale! Quick view Compare Siemens ZM121/A 0-20V 4-20Ma Phase Cut Interface Was: $520.40 Now: $322.71 Choose Options
On Sale! Quick view Compare Siemens-Talon 550-405N ATEC VAV W/REHEAT CT Was: $3,465.84 Now: $2,122.95 Choose Options
On Sale! Quick view Compare Siemens-Talon 550-430PA BACnet ACTUATOR GDE/44LB-IN Was: $1,775.94 Now: $1,101.31 Choose Options