Apply to be a TradeMaster!
Filter menu expanded

Filters

2,395 items
Reset

SORT

Product Availability

Show In Stock Only (1266)

Product Type

Actuator (725)
Actuator Part (28)
Ball Valve (22)
Boiler Part (23)
Burner Control (3)
Cable (2)
Circuit Breaker (117)
Contactor (6)
Control Module (9)
Damper Part (62)

Review Score

(72)
(5)
(1)
(1)
(1)

Price Range

Under $1 (1)
$1 to $5 (5)
$5 to $10 (13)
$10 to $15 (20)
$15 to $20 (38)
$20 to $25 (14)
$25 to $30 (24)
$30 to $35 (27)
$35 to $40 (29)
$40 to $45 (27)

Siemens

2395 items
Grid
List
Compare
Product Image of QT Series Quadplex Circuit Breaker, 20/40 Amp, 120/240V, Plug-In, 10kAIC
$83.38 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of 1k Ohm Plat Rtd 385 Alpha Sensor, QAA2212.EWNN
1k Ohm Plat Rtd 385 Alpha Sensor, QAA2212.EWNN
SKU: QAA2212.EWNN
Siemens
SKU: QAA2212.EWNN
Brand: Siemens
$40.76 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 1kohm Plat Rtd 385alpha Sensor, QFA3212.EWNN
1kohm Plat Rtd 385alpha Sensor, QFA3212.EWNN
SKU: QFA3212.EWNN
Siemens
SKU: QFA3212.EWNN
Brand: Siemens
$207.31 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Co2roomsensor0-10vdctempw/ Display, QPA2060D
$550.73 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of TH 357 4" Limitem Liquid Filled Remote Bulb Thermostat (20° to 100°F)
$401.93 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed Brass Fxf 1/2" 4 Act Valve, 366-02000
$408.03 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed Brass Fxf 1/2" 2.5 Act Valve, 366-02008
$408.03 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed Brass Fxf 1/1.0 Act Valve, 366-02014
$483.24 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed S.s. Fxf 1/2" 1.0 Act Valve, 366-02019
$450.24 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed S.s. Fxf 1/2" 2.5 Act Valve, 366-02023
$450.24 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Brass Fxf 1/2" 63 Act Valve, 366-02032
$408.03 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Brass Fxf 1/2" 1.0 Act Valve, 366-02034
$408.03 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Brass Fxf 1/2" 2.5 Act Valve, 366-02038
$408.03 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open S.s. Fxf 1/2" 4 Act Valve, 366-02047
$454.67 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open S.s. Fxf 1/2" 1.0 Act Valve, 366-02051
$454.67 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open S.s. Fxf 1/2" 1.6 Act Valve, 366-02053
$454.67 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 3-way Mix Brass Fxf 1/2" 1.6 Act Valve, 366-02067
$420.37 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 3-way Mix Brass Fxf 1/1.0 Act Valve, 366-02071
$519.74 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 3-way Mix S.s. Fxf 3/4" 6.3 Act Valve, 366-02078
$508.56 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 1" Normally Open Ss Trim 10 Cv 24v Act Valve, 371-03113
$840.69 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Brass Fxf 1"1.0 24v Non Spring Return Actuator, 371-03167
$709.98 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Fxf 1-1/4" 16.0 24v Non Spring Return Actuator, 371-03168
$771.89 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of 1-1/4" Normally Closed 16 Cv W/ Sax61.03u Valve, 371-03186
$771.89 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of 2" Normally Closed 40 Cv 24v 0-10vdc4-20ma Valve, 371-03188
$986.28 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Ss 1-1/4" 16.0 24v Non Spring Return Actuator, 373-03114
$861.93 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Open Ss 1-1/2" 25.0 24v Non Spring Return Actuator, 373-03115
$967.64 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 3w Mix S.s. Fxf 2" 4.0 24v Non Spring Return Actuator, 373-03152
$1,286.12 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2"npt Normally Open 40cv 24v Floating Non- Spring Return Actuator, 373-03170
$914.16 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed Fxf 2" 4.0 24v Non Spring Return Actuator, 373-03188
$914.16 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 22mm Rnd Red Emerg Push Button, 3SU1150-1HB20-1CG0
22mm Rnd Red Emerg Push Button, 3SU1150-1HB20-1CG0
SKU: 3SU1150-1HB20-1CG0
Siemens
SKU: 3SU1150-1HB20-1CG0
Brand: Siemens
$39.46 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Voltage Monitoring Relay, 3UG5616-1CR20
Voltage Monitoring Relay, 3UG5616-1CR20
SKU: 3UG5616-1CR20
Siemens
SKU: 3UG5616-1CR20
Brand: Siemens
$417.67 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Definite Purpose Contactor, 30A, 2-Pole, Open, 110–120 VAC Coil
$98.15 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of Electromechanical Definite Purpose Contactor - 2-Pole, 30 A, 24 VAC Coil
$89.62 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of 25-65% Rh, R/a Humdity Transmitter, 186-0091
$795.93 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Thermostat Chassis & Wall Plate - Day & Night Direct Acting w/ Nite Vent
$246.88 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of TH-192S Single Temperature Room Thermostat - Reverse Acting
$133.65 each
In Stock
Get 13 by Tue, Jun 9
In Stock
Get 13 by Tue, Jun 9
Compare
Product Image of 1/2" NPT 3-Way Diverting Zone Valve Fail AB-B Actuator, 1.0 Cv (120V)
$115.24 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 1/2" NPT 3-Way Diverting Zone Valve Fail AB-A Actuator, 1.0 Cv (24V)
1/2" NPT 3-Way Diverting Zone Valve Fail AB-A Actuator, 1.0 Cv (24V)
SKU: 243-00230
Siemens
SKU: 243-00230
Brand: Siemens
$115.24 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 1/2" NPT 3-Way Diverting Zone Valve Fail AB-A Actuator, 4.0 Cv (24V)
1/2" NPT 3-Way Diverting Zone Valve Fail AB-A Actuator, 4.0 Cv (24V)
SKU: 243-00234
Siemens
SKU: 243-00234
Brand: Siemens
$115.24 each
In Stock
Get 1 by Mon, Jun 8
In Stock
Get 1 by Mon, Jun 8
Compare
Product Image of Reverse Acting Relay (0 to 30 PSI)
Reverse Acting Relay (0 to 30 PSI)
SKU: 243-0024
Siemens
SKU: 243-0024
Brand: Siemens
$257.39 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 2-way Normally Closed Brass Fxf 1/2" 4 Valve, 255-01100
$234.28 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 3/4" Normally Closed 6.3 Cv 2-way W/ 24v Actuator, 255-01112
$248.67 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 1/2" Normally Open 2-way Fxf 1.6 Cv Globe Valve, 255-01121
$233.12 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 1/2"no 24v 0/10vdc Non Spring Return Actuator, 255-01123
$233.12 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 1/2 3-way Lin 24v Non Spring Return Actuator 0-10vdc, 255-01136
$243.05 each
In Stock
Get 6 by Tue, Jun 9
In Stock
Get 6 by Tue, Jun 9
Compare
Product Image of 1/2" 3-way Mix 24v 4 Cv Lin. Valve, 255-01137
$243.05 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 1/2" Normally Closed 1.0 Cv 10-15 Psi 2" Top Brs Valve, 256-02004
$159.94 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of 3/4" Normally Closed 6.3 Cv 10-15 Psi 2" Top Brs Valve, 256-02012
3/4" Normally Closed 6.3 Cv 10-15 Psi 2" Top Brs Valve, 256-02012
SKU: 256-02012
Siemens
SKU: 256-02012
Brand: Siemens
$177.09 each
In Stock
Get 8 by Tue, Jun 9
In Stock
Get 8 by Tue, Jun 9