Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat: Online Now
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
2,395 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (1273)
Show
In Stock Only
(1273)
Product Type
–
Actuator Filter (725)
Actuator (725)
Actuator Part Filter (28)
Actuator Part (28)
Ball Valve Filter (22)
Ball Valve (22)
Boiler Part Filter (23)
Boiler Part (23)
Burner Control Filter (3)
Burner Control (3)
Cable Filter (2)
Cable (2)
Circuit Breaker Filter (117)
Circuit Breaker (117)
Contactor Filter (6)
Contactor (6)
Control Module Filter (9)
Control Module (9)
Damper Part Filter (62)
Damper Part (62)
See More
Review Score
–
5 Filter (72)
(72)
4 Filter (5)
(5)
3 Filter (1)
(1)
2 Filter (1)
(1)
1 Filter (1)
(1)
Price Range
–
Under $1 Filter (1)
Under $1 (1)
$1 to $5 Filter (5)
$1 to $5 (5)
$5 to $10 Filter (13)
$5 to $10 (13)
$10 to $15 Filter (20)
$10 to $15 (20)
$15 to $20 Filter (38)
$15 to $20 (38)
$20 to $25 Filter (14)
$20 to $25 (14)
$25 to $30 Filter (24)
$25 to $30 (24)
$30 to $35 Filter (27)
$30 to $35 (27)
$35 to $40 Filter (29)
$35 to $40 (29)
$40 to $45 Filter (27)
$40 to $45 (27)
See More
Home
Siemens
Siemens
2395 items
FILTER
Grid
List
Sort: Top Sellers
192-257W Compare Checkbox
Compare
Powerstar Single Set Point Thermostat Cover w/ Concealed Thermometer - White
SKU:
192-257W
Siemens
SKU:
192-257W
Brand:
Siemens
–
+
$16.18
each
ADD TO CART
Add to List
In Stock
Get 36 by
Tomorrow, Jun 5
Total Available: 118
In Stock
Get 36 by
Tomorrow, Jun 5
Total Available: 118
Add to List
599-03078 Compare Checkbox
Compare
1-1/4" 2-Way N/C Stainless Steel Linear Valve Body, Female x Female (16 Cv)
SKU:
599-03078
Siemens
SKU:
599-03078
Brand:
Siemens
–
+
$440.99
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 12
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 12
Add to List
GQD121.1P Compare Checkbox
Compare
GQD 2-Position 20 lb-in Spring Return Rotary Electronic Damper Actuator w/ Plenum Cabling (24V)
SKU:
GQD121.1P
Siemens
SKU:
GQD121.1P
Brand:
Siemens
–
+
$149.02
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 42
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 42
Add to List
MM0202ML1100S Compare Checkbox
Compare
Outdoor Surface Mount Ring Type Meter Main Load Center Combination, Single Phase, 2 Spaces/2 Circuits (120/240V, 100A)
SKU:
MM0202ML1100S
Siemens
SKU:
MM0202ML1100S
Brand:
Siemens
–
+
$214.38
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 10
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 10
Add to List
QAE2030.005 Compare Checkbox
Compare
2-1/2" NTC Type 2 Immersion Temperature Sensor - 10k Ohm
SKU:
QAE2030.005
Siemens
SKU:
QAE2030.005
Brand:
Siemens
–
+
$57.50
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 14
In Stock
Get 3 by
Mon, Jun 8
Total Available: 14
Add to List
599-00511 Compare Checkbox
Compare
1/2" 2-Way Sweat Zone Valve Body, 44 PSI (2.5 Cv)
SKU:
599-00511
Siemens
SKU:
599-00511
Brand:
Siemens
–
+
$30.60
each
ADD TO CART
Add to List
In Stock
Get 22 by
Tomorrow, Jun 5
Total Available: 53
In Stock
Get 22 by
Tomorrow, Jun 5
Total Available: 53
Add to List
265-1028 Compare Checkbox
Compare
3-Way Open Frame Electro-Pneumatic Valve (110/120V)
SKU:
265-1028
Siemens
SKU:
265-1028
Brand:
Siemens
–
+
$66.22
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
331-2973 Compare Checkbox
Compare
#4 Pneumatic Air Actuator w/ Integral Pivot & Universal Kit Mount, 8-13 psi
SKU:
331-2973
Siemens
SKU:
331-2973
Brand:
Siemens
(1)
–
+
$246.49
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 20
Add to List
QAM2030.010 Compare Checkbox
Compare
4" NTC Type 2 Duct Point Temperature Sensor - 10k Ohm
SKU:
QAM2030.010
Siemens
SKU:
QAM2030.010
Brand:
Siemens
–
+
$23.58
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 9
Total Available: 8
In Stock
Get 5 by
Tue, Jun 9
Total Available: 8
Add to List
QFM3101 Compare Checkbox
Compare
Q-Series Duct Humidity Sensor, (2%) 4 to 20 mA
SKU:
QFM3101
Siemens
SKU:
QFM3101
Brand:
Siemens
(1)
–
+
$241.00
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 13
In Stock
Get 6 by
Mon, Jun 8
Total Available: 13
Add to List
QRA2-1 Compare Checkbox
Compare
QRA2(1) Normal Sensitivity Flame Detector w/ Black Terminal Cover
SKU:
QRA2-1
Siemens
SKU:
QRA2-1
Brand:
Siemens
(1)
–
+
$534.93
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 23
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 23
Add to List
7MF15654CA005EA1 Compare Checkbox
Compare
3" MNPT P200 Transducer 4-20 ma (0-150 PSI)
SKU:
7MF15654CA005EA1
Siemens
SKU:
7MF15654CA005EA1
Brand:
Siemens
–
+
$354.22
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Jun 8
In Stock
Get 9 by
Mon, Jun 8
Add to List
VMP42.14-2 Compare Checkbox
Compare
VMP 3/4" NPT 2 & 3 Way Globe Valve (2.9 Cv)
SKU:
VMP42.14-2
Siemens
SKU:
VMP42.14-2
Brand:
Siemens
–
+
$184.30
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 27
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 27
Add to List
SKP25.013U1 Compare Checkbox
Compare
120V Pressure Regulating Gas Valve Actuator with Safety Shut-off Function, No Switch
SKU:
SKP25.013U1
Siemens
SKU:
SKP25.013U1
Brand:
Siemens
–
+
$1,101.60
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
Add to List
SQM45.295B9 Compare Checkbox
Compare
SQM45 Actuator w/ LMV5 Linkageless System (27 in-lb, 10/120s)
SKU:
SQM45.295B9
Siemens
SKU:
SQM45.295B9
Brand:
Siemens
–
+
$1,248.71
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 15
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 15
Add to List
RWF55.50A9 Compare Checkbox
Compare
RWF55.5 3-Position Analog Controller - Single Pack
SKU:
RWF55.50A9
Siemens
SKU:
RWF55.50A9
Brand:
Siemens
–
+
$1,970.44
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 13
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 13
Add to List
192-204 Compare Checkbox
Compare
TH192DN Day-Night Direct Acting Two or Three Pipe Relay Thermostat
SKU:
192-204
Siemens
SKU:
192-204
Brand:
Siemens
–
+
$235.74
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 9
Add to List
MXG461.50-30U Compare Checkbox
Compare
MXG461 2" Modulating Control Screwed Fitting Valve w/ Magnetic Actuator, 35 Cv
SKU:
MXG461.50-30U
Siemens
SKU:
MXG461.50-30U
Brand:
Siemens
–
+
$1,544.09
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 16
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 16
Add to List
599-00214 Compare Checkbox
Compare
1/2" 2-Way Threaded Zone Valve Body (4 Cv)
SKU:
599-00214
Siemens
SKU:
599-00214
Brand:
Siemens
–
+
$30.60
each
ADD TO CART
Add to List
In Stock
Get 30 by
Tomorrow, Jun 5
Total Available: 42
In Stock
Get 30 by
Tomorrow, Jun 5
Total Available: 42
Add to List
599-02038 Compare Checkbox
Compare
1/2" 2-Way N/O Brass Globe Valve Body, Female x Female (2.5 Cv)
SKU:
599-02038
Siemens
SKU:
599-02038
Brand:
Siemens
–
+
$61.58
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 12
In Stock
Get 4 by
Mon, Jun 8
Total Available: 12
Add to List
599-03079 Compare Checkbox
Compare
1-1/2" 2-Way N/C Stainless Steel Linear Valve Body, Female x Female (25 Cv)
SKU:
599-03079
Siemens
SKU:
599-03079
Brand:
Siemens
–
+
$572.55
each
ADD TO CART
Add to List
In Stock
Get 5 by
Mon, Jun 8
In Stock
Get 5 by
Mon, Jun 8
Add to List
HNF362 Compare Checkbox
Compare
60A Low Voltage Circuit Protection Non-Fused Heavy Duty Safety Switch, 3-Pole/3W, NEMA 2 Enclosure (600V)
SKU:
HNF362
Siemens
SKU:
HNF362
Brand:
Siemens
–
+
$207.98
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 12
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 12
Add to List
QRI2B2.B180B Compare Checkbox
Compare
Infrared Flame Detector (Side Viewing)
SKU:
QRI2B2.B180B
Siemens
SKU:
QRI2B2.B180B
Brand:
Siemens
–
+
$1,144.67
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 11
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 11
Add to List
S55180-A154 Compare Checkbox
Compare
PICV Series Non-Spring Return Electronic Valve Actuator (24V, 0-10 VDC)
SKU:
S55180-A154
Siemens
SKU:
S55180-A154
Brand:
Siemens
–
+
$146.63
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 24
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 24
Add to List
599-03206 Compare Checkbox
Compare
2" 3-Way Brass Mixing Valve Body, Female x Female (40 Cv)
SKU:
599-03206
Siemens
SKU:
599-03206
Brand:
Siemens
–
+
$521.58
each
ADD TO CART
Add to List
In Stock
Get 12 by
Mon, Jun 8
In Stock
Get 12 by
Mon, Jun 8
Add to List
AGA22 Compare Checkbox
Compare
Setpoint Spring 6-48"
SKU:
AGA22
Siemens
SKU:
AGA22
Brand:
Siemens
–
+
$41.94
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Add to List
MK0402L1400RLM Compare Checkbox
Compare
Outdoor Ringless Meter Main Combination, 4-Space 2-Circuit, 120/240V (400A)
SKU:
MK0402L1400RLM
Siemens
SKU:
MK0402L1400RLM
Brand:
Siemens
–
+
$1,907.49
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8 - Wed, Jun 10
Total Available: 2
In Stock
Get 1 by
Mon, Jun 8 - Wed, Jun 10
Total Available: 2
Add to List
S5470L3225 Compare Checkbox
Compare
ES Series 225 Amp 54-Space 70-Circuit Main Lug Indoor 3-Phase Load Center
SKU:
S5470L3225
Siemens
SKU:
S5470L3225
Brand:
Siemens
–
+
$614.68
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 7
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 7
Add to List
599-01136 Compare Checkbox
Compare
1/2" 3-Way Mixing Valve, Female x Female (2.5 Cv)
SKU:
599-01136
Siemens
SKU:
599-01136
Brand:
Siemens
–
+
$58.87
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 13
In Stock
Get 6 by
Mon, Jun 8
Total Available: 13
Add to List
GLB161.1P Compare Checkbox
Compare
GLB Non-Spring Return, 88 lb-in, Direct-Coupled Electronic Damper Actuator w/ Plenum Cable (24 Vac)
SKU:
GLB161.1P
Siemens
SKU:
GLB161.1P
Brand:
Siemens
–
+
$187.85
each
ADD TO CART
Add to List
In Stock
Get 18 by
Tomorrow, Jun 5
Total Available: 46
In Stock
Get 18 by
Tomorrow, Jun 5
Total Available: 46
Add to List
AQF3100 Compare Checkbox
Compare
Radiation Shield for Exterior Wall Mounting
SKU:
AQF3100
Siemens
SKU:
AQF3100
Brand:
Siemens
–
+
$25.94
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 8
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 8
Add to List
599-03186 Compare Checkbox
Compare
1-1/4" 2-Way N/C Brass Equal Percentage Valve Body, Female x Female (16 Cv)
SKU:
599-03186
Siemens
SKU:
599-03186
Brand:
Siemens
–
+
$246.81
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 9
In Stock
Get 6 by
Mon, Jun 8
Total Available: 9
Add to List
GQD126.1P Compare Checkbox
Compare
24v Spring- Return Actuator 20in-lb 2-auxsw Act, GQD126.1P
SKU:
GQD126.1P
Siemens
SKU:
GQD126.1P
Brand:
Siemens
–
+
$244.92
each
ADD TO CART
Add to List
In Stock
Get 15 by
Mon, Jun 8
In Stock
Get 15 by
Mon, Jun 8
Add to List
331-631 Compare Checkbox
Compare
1/2" Damper Shaft Extension for #3,4, and 6
SKU:
331-631
Siemens
SKU:
331-631
Brand:
Siemens
–
+
$73.36
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tue, Jun 9
Total Available: 10
In Stock
Get 6 by
Tue, Jun 9
Total Available: 10
Add to List
134-1085 Compare Checkbox
Compare
134 Electric Line Voltage Room Thermostat (3°F Heating, 3.5°F Cooling)
SKU:
134-1085
Siemens
SKU:
134-1085
Brand:
Siemens
–
+
$225.56
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 31
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 31
Add to List
599-03610 Compare Checkbox
Compare
Flowrite Rack & Pinion Bracket only for 1/2" to 2" Stroke Valves
SKU:
599-03610
Siemens
SKU:
599-03610
Brand:
Siemens
–
+
$247.58
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 8
In Stock
Get 4 by
Mon, Jun 8
Total Available: 8
Add to List
QFA32SS.EWSN Compare Checkbox
Compare
Series 2200 White Relative Humidity & Temp Room Sensor, RH 0-10V/0-5V/4-20 mA
SKU:
QFA32SS.EWSN
Siemens
SKU:
QFA32SS.EWSN
Brand:
Siemens
–
+
$177.34
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 18
In Stock
Get 4 by
Mon, Jun 8
Total Available: 18
Add to List
E1224ML1100FCU Compare Checkbox
Compare
EQ 100 Amp 12-Space 24-Circuit Indoor Main Lug Load Center
SKU:
E1224ML1100FCU
Siemens
SKU:
E1224ML1100FCU
Brand:
Siemens
–
+
$143.45
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 9
In Stock
Get 4 by
Tue, Jun 9
Add to List
599-02044 Compare Checkbox
Compare
3/4" 2-Way N/O Brass Globe Valve Body, Female x Female (6.3 Cv)
SKU:
599-02044
Siemens
SKU:
599-02044
Brand:
Siemens
–
+
$76.17
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Jun 8
Total Available: 15
In Stock
Get 10 by
Mon, Jun 8
Total Available: 15
Add to List
HNF363 Compare Checkbox
Compare
100A Low Voltage Circuit Protection Non-Fused Heavy Duty Safety Switch, 3-Pole, NEMA 1 Enclosure (600VAC)
SKU:
HNF363
Siemens
SKU:
HNF363
Brand:
Siemens
–
+
$342.40
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 16
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 16
Add to List
QRA2M-1 Compare Checkbox
Compare
QRA2M(1) High Sensitivity Flame Detector w/ Green Terminal Cover
SKU:
QRA2M-1
Siemens
SKU:
QRA2M-1
Brand:
Siemens
–
+
$757.45
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 15
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 15
Add to List
QF120A Compare Checkbox
Compare
1-Pole GFCI Circuit Breaker (120V, 20A) UL Type QPF2
SKU:
QF120A
Siemens
SKU:
QF120A
Brand:
Siemens
–
+
$63.31
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 10
In Stock
Get 2 by
Wed, Jun 10
Add to List
599-02070 Compare Checkbox
Compare
3/4" 3-Way N/O Brass Globe Valve Body, Female x Female (6.3 Cv)
SKU:
599-02070
Siemens
SKU:
599-02070
Brand:
Siemens
–
+
$96.84
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 11
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 11
Add to List
599-00599 Compare Checkbox
Compare
Actuator Support Ring (Pack of 10)
SKU:
599-00599
Siemens
SKU:
599-00599
Brand:
Siemens
–
+
$14.79
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 9
Total Available: 13
In Stock
Get 5 by
Tue, Jun 9
Total Available: 13
Add to List
E4242ML3400FCU Compare Checkbox
Compare
EQ 400 Amp 3-Phase, 42-Space, 42-Circuit Main Lug Load Center
SKU:
E4242ML3400FCU
Siemens
SKU:
E4242ML3400FCU
Brand:
Siemens
–
+
$1,154.83
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
Total Available: 4
In Stock
Get 2 by
Tue, Jun 9
Total Available: 4
Add to List
192-256 Compare Checkbox
Compare
Plastic Thermostat Cover Concealed Thermometer Exposed Setpoint (Beige)
SKU:
192-256
Siemens
SKU:
192-256
Brand:
Siemens
–
+
$16.18
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 20
Add to List
ECHS125 Compare Checkbox
Compare
1-1/4" Type HS Load Center Hub
SKU:
ECHS125
Siemens
SKU:
ECHS125
Brand:
Siemens
(1)
–
+
$12.67
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 8
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 8
Add to List
QRI2A2.B180B Compare Checkbox
Compare
Infrared Flame Detector
SKU:
QRI2A2.B180B
Siemens
SKU:
QRI2A2.B180B
Brand:
Siemens
(1)
–
+
$1,432.62
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 5
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 5
Add to List
1
...
3
4
5
...
50
Refresh
×
Video