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 (1266)
Show
In Stock Only
(1266)
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
356-0750 Compare Checkbox
Compare
18" Limitem Direct Acting Rigid Bulb Thermostat (30° to 180°F)
SKU:
356-0750
Siemens
SKU:
356-0750
Brand:
Siemens
–
+
$336.70
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
Add to List
MVF461H40-20 Compare Checkbox
Compare
MVF461H 1-1/2" 2-Way Magnetic Control Valve, 23.3 Cv
SKU:
MVF461H40-20
Siemens
SKU:
MVF461H40-20
Brand:
Siemens
–
+
$3,138.90
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
QAE2012.005 Compare Checkbox
Compare
2-1/2" Platinum Immersion Temperature Sensor (385 Alpha) - 1k Ohm
SKU:
QAE2012.005
Siemens
SKU:
QAE2012.005
Brand:
Siemens
–
+
$67.27
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
QFR9530.KIT Compare Checkbox
Compare
Qfr9530 W/ Harness, QFR9530.KIT
SKU:
QFR9530.KIT
Siemens
SKU:
QFR9530.KIT
Brand:
Siemens
–
+
$90.21
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tue, Jun 9
In Stock
Get 6 by
Tue, Jun 9
Add to List
GNP196.1P Compare Checkbox
Compare
GNP 2-Position, Fail-Safe 53 lb-in Rotary, Electronic Damper Actuator w/ Aux. Switch (24V)
SKU:
GNP196.1P
Siemens
SKU:
GNP196.1P
Brand:
Siemens
(1)
–
+
$430.67
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
SKP15.013U1 Compare Checkbox
Compare
120V Gas Valve Actuator (Single Stage, No Switch)
SKU:
SKP15.013U1
Siemens
SKU:
SKP15.013U1
Brand:
Siemens
–
+
$737.15
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
Add to List
HNF363R Compare Checkbox
Compare
100A Low Voltage Circuit Protection Non-Fused Heavy Duty Safety Switch, 3-Pole, NEMA 3R Enclosure (600VAC)
SKU:
HNF363R
Siemens
SKU:
HNF363R
Brand:
Siemens
–
+
$550.37
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
Add to List
E0202MB1200 Compare Checkbox
Compare
EQ 200 Amp 2-Space 2-Circuit Small Main Breaker Indoor Load Center Enclosures
SKU:
E0202MB1200
Siemens
SKU:
E0202MB1200
Brand:
Siemens
–
+
$245.18
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 7
In Stock
Get 2 by
Mon, Jun 8
Total Available: 7
Add to List
GJD221.1U Compare Checkbox
Compare
120v 2 Position Spring-return Fire/smoke Actuator, GJD221.1U
SKU:
GJD221.1U
Siemens
SKU:
GJD221.1U
Brand:
Siemens
–
+
$147.13
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
In Stock
Get 3 by
Tue, Jun 9
Add to List
QFM3160 Compare Checkbox
Compare
Q-Series Duct Humidity Sensor, (2%) 0 to 10 Vdc/Temp 0 to 10 Vdc
SKU:
QFM3160
Siemens
SKU:
QFM3160
Brand:
Siemens
–
+
$252.36
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 9
In Stock
Get 1 by
Tue, Jun 9
Add to List
243-00233 Compare Checkbox
Compare
1" NPT 3-Way Diverting Zone Valve Fail AB-A Actuator, 7.0 Cv (24V)
SKU:
243-00233
Siemens
SKU:
243-00233
Brand:
Siemens
–
+
$134.74
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 9
In Stock
Get 4 by
Mon, Jun 8
Total Available: 9
Add to List
599-03060 Compare Checkbox
Compare
1-1/4" 2-Way N/O Stainless Steel Linear Valve Body, Female x Female (16 Cv)
SKU:
599-03060
Siemens
SKU:
599-03060
Brand:
Siemens
–
+
$418.43
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
In Stock
Get 3 by
Tue, Jun 9
Add to List
540-670B Compare Checkbox
Compare
Series 1000 Room Temperature Sensor with Setpoint Override, 10k Ohm (White)
SKU:
540-670B
Siemens
SKU:
540-670B
Brand:
Siemens
–
+
$437.50
each
ADD TO CART
Add to List
In Stock
Get 8 by
Mon, Jun 8
Total Available: 23
In Stock
Get 8 by
Mon, Jun 8
Total Available: 23
Add to List
599-02010 Compare Checkbox
Compare
1/2" 2-Way N/C Brass Globe Valve Body, Female x Female (4 Cv)
SKU:
599-02010
Siemens
SKU:
599-02010
Brand:
Siemens
–
+
$61.89
each
ADD TO CART
Add to List
In Stock
Get 3 by
Thu, Jun 11
In Stock
Get 3 by
Thu, Jun 11
Add to List
SAS81.33U Compare Checkbox
Compare
Acvatix Electromotoric Spring Return Valve Actuator (24V)
SKU:
SAS81.33U
Siemens
SKU:
SAS81.33U
Brand:
Siemens
–
+
$305.95
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 10
In Stock
Get 2 by
Mon, Jun 8
Total Available: 10
Add to List
PNW4264B1225C Compare Checkbox
Compare
225 Amp Main Breaker/Convertible Load Center, 42 Spaces, 64 Circuits, 1-Phase 3-Wire 120/240V, Copper Bus, NEMA-3R, Gray
SKU:
PNW4264B1225C
Siemens
SKU:
PNW4264B1225C
Brand:
Siemens
–
+
$636.73
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
In Stock
Get 3 by
Tue, Jun 9
Add to List
656-0017 Compare Checkbox
Compare
656 Powermite 2-Way 1/2" Angle Union Valve, 3-8 psi, 2.1 cv
SKU:
656-0017
Siemens
SKU:
656-0017
Brand:
Siemens
–
+
$200.44
each
ADD TO CART
Add to List
In Stock
Get 15 by
Tue, Jun 9
Total Available: 20
In Stock
Get 15 by
Tue, Jun 9
Total Available: 20
Add to List
356-0012 Compare Checkbox
Compare
18" Limitem Direct Acting Rigid Bulb Thermostat (0° to 100°F)
SKU:
356-0012
Siemens
SKU:
356-0012
Brand:
Siemens
–
+
$337.69
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
In Stock
Get 2 by
Tue, Jun 9
Add to List
GDE166.1P Compare Checkbox
Compare
GDE Non Spring Return 44 lb-in Electric Damper Actuator w/ Dual Aux. Switches
SKU:
GDE166.1P
Siemens
SKU:
GDE166.1P
Brand:
Siemens
–
+
$194.40
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tue, Jun 9
Total Available: 11
In Stock
Get 7 by
Tue, Jun 9
Total Available: 11
Add to List
243-00211 Compare Checkbox
Compare
1/2" NPT 2-Way Normally Open Zone Valve SR Fail Safe Actuator, 2.5 Cv (24V)
SKU:
243-00211
Siemens
SKU:
243-00211
Brand:
Siemens
–
+
$108.87
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 28
In Stock
Get 4 by
Mon, Jun 8
Total Available: 28
Add to List
259-02034 Compare Checkbox
Compare
1/2" 2-Way F x F Normally Open Valve Actuator Assembly 1.0 Cv
SKU:
259-02034
Siemens
SKU:
259-02034
Brand:
Siemens
–
+
$152.98
each
ADD TO CART
Add to List
In Stock
Get 22 by
Tue, Jun 9
In Stock
Get 22 by
Tue, Jun 9
Add to List
259-02070 Compare Checkbox
Compare
3/4" 3-Way FNPT Non-Spring Return Mixing Valve Actuator Assembly 6.3 Cv
SKU:
259-02070
Siemens
SKU:
259-02070
Brand:
Siemens
–
+
$193.46
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tue, Jun 9
Total Available: 10
In Stock
Get 9 by
Tue, Jun 9
Total Available: 10
Add to List
QPM2100 Compare Checkbox
Compare
QPM21 Series Duct Air Quality Sensor, CO2 Only, 0 to 10V
SKU:
QPM2100
Siemens
SKU:
QPM2100
Brand:
Siemens
–
+
$440.52
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 17
In Stock
Get 2 by
Mon, Jun 8
Total Available: 17
Add to List
908-042 Compare Checkbox
Compare
Oil Removal Filter Cartridge Kit, 500 Scim (25 PSI)
SKU:
908-042
Siemens
SKU:
908-042
Brand:
Siemens
–
+
$130.30
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
VMP42.09-2 Compare Checkbox
Compare
VMP 1/2" NPT 2 & 3 Way Globe Valve (0.29 Cv)
SKU:
VMP42.09-2
Siemens
SKU:
VMP42.09-2
Brand:
Siemens
(1)
–
+
$155.21
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 12
In Stock
Get 3 by
Mon, Jun 8
Total Available: 12
Add to List
192-486 Compare Checkbox
Compare
Straight White Plug-In Adapters (20 Pack)
SKU:
192-486
Siemens
SKU:
192-486
Brand:
Siemens
–
+
$32.48
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
Total Available: 3
In Stock
Get 1 by
Wed, Jun 10
Total Available: 3
Add to List
599-00232 Compare Checkbox
Compare
3/4" 3-Way Threaded Zone Valve Body (4.1 Cv)
SKU:
599-00232
Siemens
SKU:
599-00232
Brand:
Siemens
–
+
$43.74
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 7
In Stock
Get 2 by
Mon, Jun 8
Total Available: 7
Add to List
QAM2030.020 Compare Checkbox
Compare
8" NTC Type 2 Duct Point Temperature Sensor - 10k Ohm
SKU:
QAM2030.020
Siemens
SKU:
QAM2030.020
Brand:
Siemens
–
+
$24.72
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
In Stock
Get 1 by
Wed, Jun 10
Add to List
257-02038 Compare Checkbox
Compare
1/2" F x F 2-Way Normally Open Valve Assembly, 3-8 psi, 2.5 Cv
SKU:
257-02038
Siemens
SKU:
257-02038
Brand:
Siemens
–
+
$141.09
each
ADD TO CART
Add to List
In Stock
Get 16 by
Tue, Jun 9
Total Available: 21
In Stock
Get 16 by
Tue, Jun 9
Total Available: 21
Add to List
257-02068B Compare Checkbox
Compare
1/2" 3-Way Brass Mixing Valve Actuator, 28 PSI, Female x Female (2.5 Cv)
SKU:
257-02068B
Siemens
SKU:
257-02068B
Brand:
Siemens
–
+
$152.00
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
259-02051 Compare Checkbox
Compare
1/2" 2-Way F x F Normally Open Valve Actuator Assembly 1.0 Cv
SKU:
259-02051
Siemens
SKU:
259-02051
Brand:
Siemens
–
+
$225.30
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
In Stock
Get 2 by
Tue, Jun 9
Add to List
599-02046 Compare Checkbox
Compare
1" 2-Way N/O Brass Globe Valve Body, Female x Female (10 Cv)
SKU:
599-02046
Siemens
SKU:
599-02046
Brand:
Siemens
–
+
$116.76
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
Total Available: 4
In Stock
Get 3 by
Tue, Jun 9
Total Available: 4
Add to List
535-741-18 Compare Checkbox
Compare
18" Platinum NTC Type 2 Duct Point Temperature Sensor - 100k Ohm
SKU:
535-741-18
Siemens
SKU:
535-741-18
Brand:
Siemens
–
+
$34.11
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
In Stock
Get 2 by
Tue, Jun 9
Add to List
544-339-8 Compare Checkbox
Compare
8" Temperature Sensor for Duct - Single Point Applications
SKU:
544-339-8
Siemens
SKU:
544-339-8
Brand:
Siemens
–
+
$41.06
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
In Stock
Get 2 by
Tue, Jun 9
Add to List
AQA2232 Compare Checkbox
Compare
Oled Kit (pack Of 5), AQA2232
SKU:
AQA2232
Siemens
SKU:
AQA2232
Brand:
Siemens
–
+
$101.50
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
In Stock
Get 3 by
Tue, Jun 9
Add to List
QAM1035.008P50 Compare Checkbox
Compare
Duct Temperature Sensor - 100k Ohm Thermistor (50 Pack)
SKU:
QAM1035.008P50
Siemens
SKU:
QAM1035.008P50
Brand:
Siemens
–
+
$797.94
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 9
Total Available: 3
In Stock
Get 1 by
Tue, Jun 9
Total Available: 3
Add to List
192-485 Compare Checkbox
Compare
Straight Blue Plug-In Adapters (20 Pack)
SKU:
192-485
Siemens
SKU:
192-485
Brand:
Siemens
–
+
$33.32
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 5
In Stock
Get 2 by
Mon, Jun 8
Total Available: 5
Add to List
262-02008 Compare Checkbox
Compare
1/2" NPT Powermite MT Series 2-Way Mixing N.C. Valve Actuator Assembly, 24Vac, 2.5 Cv
SKU:
262-02008
Siemens
SKU:
262-02008
Brand:
Siemens
–
+
$276.22
each
ADD TO CART
Add to List
In Stock
Get 7 by
Mon, Jun 8
Total Available: 9
In Stock
Get 7 by
Mon, Jun 8
Total Available: 9
Add to List
599-00210 Compare Checkbox
Compare
1/2" 2-Way Threaded Zone Valve Body (1 Cv)
SKU:
599-00210
Siemens
SKU:
599-00210
Brand:
Siemens
–
+
$31.73
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 13
In Stock
Get 1 by
Mon, Jun 8
Total Available: 13
Add to List
599-08020 Compare Checkbox
Compare
Flowrite 2-1/2" to 6" Normal Duty Packing Replacement Kit for VF 599 Series Valves
SKU:
599-08020
Siemens
SKU:
599-08020
Brand:
Siemens
–
+
$87.79
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
3RT2016-1AB02 Compare Checkbox
Compare
3 Pole 24V 9 Amp 1N/C Auxiliary Contactor
SKU:
3RT2016-1AB02
Siemens
SKU:
3RT2016-1AB02
Brand:
Siemens
–
+
$90.34
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 6
In Stock
Get 2 by
Mon, Jun 8
Total Available: 6
Add to List
599-02004 Compare Checkbox
Compare
1/2" 2-Way N/C Brass Globe Valve Body, Female x Female (1 Cv)
SKU:
599-02004
Siemens
SKU:
599-02004
Brand:
Siemens
–
+
$61.58
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 9
In Stock
Get 5 by
Tue, Jun 9
Add to List
599-10354 Compare Checkbox
Compare
1/2" 3-Way Brass Water Mixing Ball Valve Body (2.5 Cv)
SKU:
599-10354
Siemens
SKU:
599-10354
Brand:
Siemens
–
+
$107.24
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 9
In Stock
Get 5 by
Tue, Jun 9
Add to List
656-0009 Compare Checkbox
Compare
VP 656 Powermite 3-Way Mixing Valve, 1/2" Flare, 10-15 psi, 2.5 cv
SKU:
656-0009
Siemens
SKU:
656-0009
Brand:
Siemens
–
+
$205.19
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 27
In Stock
Get 2 by
Mon, Jun 8
Total Available: 27
Add to List
QAA2212.EWSN Compare Checkbox
Compare
1k Ohm Plat Rtd 385 Alpha Sensor, QAA2212.EWSN
SKU:
QAA2212.EWSN
Siemens
SKU:
QAA2212.EWSN
Brand:
Siemens
–
+
$40.76
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 9
In Stock
Get 5 by
Tue, Jun 9
Add to List
S55180-A158 Compare Checkbox
Compare
SSF Normally Open NSR Electronic Zone Valve Actuator, 0 to 10 Vdc
SKU:
S55180-A158
Siemens
SKU:
S55180-A158
Brand:
Siemens
–
+
$157.36
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 17
In Stock
Get 1 by
Mon, Jun 8
Total Available: 17
Add to List
ECHA075 Compare Checkbox
Compare
3/4" Meter Socket Hub Type HA
SKU:
ECHA075
Siemens
SKU:
ECHA075
Brand:
Siemens
–
+
$20.02
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
Total Available: 7
In Stock
Get 2 by
Tue, Jun 9
Total Available: 7
Add to List
M3FB15LX06/A Compare Checkbox
Compare
5/8" 2-Port PS43 Modulating Refrigerant Valve with Magnetic Actuator
SKU:
M3FB15LX06/A
Siemens
SKU:
M3FB15LX06/A
Brand:
Siemens
(1)
–
+
$1,602.06
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
1
...
7
8
9
...
50
Refresh
×
Video