Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat Offline:
Email Us
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
885 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (540)
Show
In Stock Only
(540)
Category
–
Burner Accessories (30)
Miscellaneous Parts (680)
Pressure Controls (13)
Restrictors (1)
Temperature Sensors (161)
Review Score
–
5 Filter (16)
(16)
4 Filter (1)
(1)
Price Range
–
Under $1 Filter (1)
Under $1 (1)
$1 to $5 Filter (2)
$1 to $5 (2)
$5 to $10 Filter (7)
$5 to $10 (7)
$10 to $15 Filter (10)
$10 to $15 (10)
$15 to $20 Filter (11)
$15 to $20 (11)
$20 to $25 Filter (6)
$20 to $25 (6)
$25 to $30 Filter (18)
$25 to $30 (18)
$30 to $35 Filter (12)
$30 to $35 (12)
$35 to $40 Filter (10)
$35 to $40 (10)
$40 to $45 Filter (17)
$40 to $45 (17)
See More
Home
HVAC Supplies
HVAC Replacement Parts
Siemens Parts
Siemens Parts
885 items
FILTER
Grid
List
Sort: Top Sellers
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
Wed, Jun 10
In Stock
Get 2 by
Wed, Jun 10
Add to List
QFM2171 Compare Checkbox
Compare
Q-Series Duct Humidity Sensor, (5%) 4 to 20 mA/Temp 4 to 20 mA
SKU:
QFM2171
Siemens
SKU:
QFM2171
Brand:
Siemens
–
+
$184.41
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
535-490-18 Compare Checkbox
Compare
18" Platinum RTD Rigid Duct Averaging Temperature Sensor - 100 Ohm
SKU:
535-490-18
Siemens
SKU:
535-490-18
Brand:
Siemens
–
+
$144.06
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 10
In Stock
Get 3 by
Wed, Jun 10
Add to List
QFM3100 Compare Checkbox
Compare
Q-Series Duct Humidity Sensor, (2%) 0 to 10 Vdc
SKU:
QFM3100
Siemens
SKU:
QFM3100
Brand:
Siemens
–
+
$228.70
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
QFM2100 Compare Checkbox
Compare
Q-Series Duct Humidity Sensor, (5%) 0 to 10 Vdc
SKU:
QFM2100
Siemens
SKU:
QFM2100
Brand:
Siemens
–
+
$160.20
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
550-819B Compare Checkbox
Compare
Remote Air Module
SKU:
550-819B
Siemens
SKU:
550-819B
Brand:
Siemens
–
+
$550.34
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 10
Total Available: 4
In Stock
Get 2 by
Wed, Jun 10
Total Available: 4
Add to List
GIB141.1U Compare Checkbox
Compare
3pt, Non Spring Return , 24v 310 Psi Actuator, GIB141.1U
SKU:
GIB141.1U
Siemens
SKU:
GIB141.1U
Brand:
Siemens
–
+
$298.02
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
908-052 Compare Checkbox
Compare
Air Filter Replacement Element for 908-051
SKU:
908-052
Siemens
SKU:
908-052
Brand:
Siemens
–
+
$129.01
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
QAM2030.750 Compare Checkbox
Compare
24 Ft. NTC Type 2 Duct Point Temperature Sensor - 10k Ohm
SKU:
QAM2030.750
Siemens
SKU:
QAM2030.750
Brand:
Siemens
–
+
$97.52
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
544-577-40 Compare Checkbox
Compare
4" Liquid Immersion Platinum Temperature Sensor, 1k Ohm (375 Alpha)
SKU:
544-577-40
Siemens
SKU:
544-577-40
Brand:
Siemens
–
+
$86.32
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 9
Total Available: 5
In Stock
Get 1 by
Tue, Jun 9
Total Available: 5
Add to List
SAX81.03U Compare Checkbox
Compare
3-Position 30 Sec. NSR Electromotoric Actuator (24V)
SKU:
SAX81.03U
Siemens
SKU:
SAX81.03U
Brand:
Siemens
–
+
$315.16
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 10
In Stock
Get 3 by
Wed, Jun 10
Add to List
ECLX075M Compare Checkbox
Compare
28 Position Ground Bar Kit
SKU:
ECLX075M
Siemens
SKU:
ECLX075M
Brand:
Siemens
–
+
$16.61
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tue, Jun 9
In Stock
Get 9 by
Tue, Jun 9
Add to List
QVM62.1 Compare Checkbox
Compare
Air Velocity Duct Sensor
SKU:
QVM62.1
Siemens
SKU:
QVM62.1
Brand:
Siemens
–
+
$193.86
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
QAC2030U Compare Checkbox
Compare
Outdoor Air Sensor, NTC 10K Ohm Type 2
SKU:
QAC2030U
Siemens
SKU:
QAC2030U
Brand:
Siemens
(1)
–
+
$40.20
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
533-376-8 Compare Checkbox
Compare
8" Platinum RTD Duct Point Temperature Sensor - 100 Ohm
SKU:
533-376-8
Siemens
SKU:
533-376-8
Brand:
Siemens
–
+
$107.90
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
S55624-H105-A Compare Checkbox
Compare
Room Temp Only Sensor W/ Display, Qmx3.p34, S55624-H105-A
SKU:
S55624-H105-A
Siemens
SKU:
S55624-H105-A
Brand:
Siemens
–
+
$154.35
each
ADD TO CART
Add to List
In Stock
Get 5 by
Wed, Jun 10
In Stock
Get 5 by
Wed, Jun 10
Add to List
274-03187 Compare Checkbox
Compare
1-1/2" Normally Closed , Fxf, 25 Cv , 4-20ma, Skc Valve, 274-03187
SKU:
274-03187
Siemens
SKU:
274-03187
Brand:
Siemens
–
+
$1,293.17
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
QAA2280.FWNC Compare Checkbox
Compare
Series 2200 Remote Wall Mounted Temperature Sensor for TEC Controllers, Full HMI
SKU:
QAA2280.FWNC
Siemens
SKU:
QAA2280.FWNC
Brand:
Siemens
–
+
$171.48
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
Total Available: 5
In Stock
Get 4 by
Wed, Jun 10
Total Available: 5
Add to List
QPA2000 Compare Checkbox
Compare
QPA20 Series Room Air Quality Sensor, 0 to 10 Vdc
SKU:
QPA2000
Siemens
SKU:
QPA2000
Brand:
Siemens
–
+
$312.41
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
7MF15654BG005EA1 Compare Checkbox
Compare
Liquid/Gas Pressure Sensor, 4 to 20 mA (0 to 100 psi)
SKU:
7MF15654BG005EA1
Siemens
SKU:
7MF15654BG005EA1
Brand:
Siemens
–
+
$294.50
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
536-767-25 Compare Checkbox
Compare
2-1/2" Platinum RTD Liquid Immersion Temperature Sensor - 100 Ohm
SKU:
536-767-25
Siemens
SKU:
536-767-25
Brand:
Siemens
–
+
$113.77
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 9
Total Available: 14
In Stock
Get 3 by
Tue, Jun 9
Total Available: 14
Add to List
GJD226.1U Compare Checkbox
Compare
120v 2 Position Spring Return Actuator Fire/smoke Actw2aux, GJD226.1U
SKU:
GJD226.1U
Siemens
SKU:
GJD226.1U
Brand:
Siemens
–
+
$181.21
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
254-01108 Compare Checkbox
Compare
1/2" Normally Closed 2.5 Cv W/ Ssb81u Valve, 254-01108
SKU:
254-01108
Siemens
SKU:
254-01108
Brand:
Siemens
–
+
$163.24
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
7MF15654BE005EA1 Compare Checkbox
Compare
Liquid/Gas Pressure Sensor, 4 to 20 mA (0 to 30 psi)
SKU:
7MF15654BE005EA1
Siemens
SKU:
7MF15654BE005EA1
Brand:
Siemens
–
+
$294.50
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
544-343-18 Compare Checkbox
Compare
18" Rigid Averaging Platinum Duct Sensor, 1K Ohm
SKU:
544-343-18
Siemens
SKU:
544-343-18
Brand:
Siemens
–
+
$89.74
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
535-431B Compare Checkbox
Compare
Temperature Transmitter, 535-431B
SKU:
535-431B
Siemens
SKU:
535-431B
Brand:
Siemens
–
+
$124.80
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
243-0001 Compare Checkbox
Compare
Pneumatic 2-Position Pilot Operated Switching Relay
SKU:
243-0001
Siemens
SKU:
243-0001
Brand:
Siemens
–
+
$247.27
each
ADD TO CART
Add to List
In Stock
Get 8 by
Wed, Jun 10
Total Available: 9
In Stock
Get 8 by
Wed, Jun 10
Total Available: 9
Add to List
HF362R Compare Checkbox
Compare
60a 3p 600v 3w Fused Hd Type 3r Low Voltage Circuit Protection Heavy Duty Safety Switch, HF362R
SKU:
HF362R
Siemens
SKU:
HF362R
Brand:
Siemens
–
+
$673.46
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
QAE2030.010 Compare Checkbox
Compare
2-2/5" NTC Type 2 Immersion Temperature Sensor - 10k Ohm
SKU:
QAE2030.010
Siemens
SKU:
QAE2030.010
Brand:
Siemens
–
+
$65.51
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
AGA23 Compare Checkbox
Compare
Setpoint Spring Kit 40-100"
SKU:
AGA23
Siemens
SKU:
AGA23
Brand:
Siemens
–
+
$82.23
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
AGA66 Compare Checkbox
Compare
Nema 4 Kit for SKP's
SKU:
AGA66
Siemens
SKU:
AGA66
Brand:
Siemens
–
+
$174.46
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
7MF15654BF005EA1 Compare Checkbox
Compare
Liquid/Gas Pressure Sensor, 4 to 20 mA (0 to 60 psi)
SKU:
7MF15654BF005EA1
Siemens
SKU:
7MF15654BF005EA1
Brand:
Siemens
–
+
$294.50
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 10
Total Available: 4
In Stock
Get 2 by
Wed, Jun 10
Total Available: 4
Add to List
544-577-RK Compare Checkbox
Compare
Platinum RTD Immersion Sensor Repair Kit, 1K Ohm (375 alpha)
SKU:
544-577-RK
Siemens
SKU:
544-577-RK
Brand:
Siemens
–
+
$75.89
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
Total Available: 23
In Stock
Get 4 by
Wed, Jun 10
Total Available: 23
Add to List
LAL2.25-110V Compare Checkbox
Compare
110V Oil Burner Control with Air Pressure Supervision
SKU:
LAL2.25-110V
Siemens
SKU:
LAL2.25-110V
Brand:
Siemens
–
+
$2,192.44
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
PXC100-PE96.A Compare Checkbox
Compare
Pxc Modular Controller, PXC100-PE96.A
SKU:
PXC100-PE96.A
Siemens
SKU:
PXC100-PE96.A
Brand:
Siemens
–
+
$3,380.07
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
588-100C Compare Checkbox
Compare
100' Cable With Connections, 588-100C
SKU:
588-100C
Siemens
SKU:
588-100C
Brand:
Siemens
–
+
$62.47
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
533-377-18 Compare Checkbox
Compare
18" Platinum Duct Point Temperature Sensor (30°F to 250°F)
SKU:
533-377-18
Siemens
SKU:
533-377-18
Brand:
Siemens
–
+
$86.20
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
QAM2012.020 Compare Checkbox
Compare
Duct Point Temperature Sensor W/ A 1k Ohm Platinum Sensing Element 8" Probe, QAM2012.020
SKU:
QAM2012.020
Siemens
SKU:
QAM2012.020
Brand:
Siemens
–
+
$35.72
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
QAD2030 Compare Checkbox
Compare
Strap On Temperature Sensor w/ NTC 10k Element
SKU:
QAD2030
Siemens
SKU:
QAD2030
Brand:
Siemens
–
+
$23.74
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
Total Available: 7
In Stock
Get 4 by
Wed, Jun 10
Total Available: 7
Add to List
QAE2012.010 Compare Checkbox
Compare
4" Platinum Immersion Temperature Sensor (385 Alpha) - 1k Ohm
SKU:
QAE2012.010
Siemens
SKU:
QAE2012.010
Brand:
Siemens
–
+
$61.83
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
3RU2126-1JB0 Compare Checkbox
Compare
Overload Relay S0 7-10a Screw, 3RU2126-1JB0
SKU:
3RU2126-1JB0
Siemens
SKU:
3RU2126-1JB0
Brand:
Siemens
–
+
$99.56
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
410456348 Compare Checkbox
Compare
Replacement Cover Kit
SKU:
410456348
Siemens
SKU:
410456348
Brand:
Siemens
–
+
$47.67
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
QAA22SS.EWSN Compare Checkbox
Compare
Series 2200 Sensing Temperature Room Unit (0-10V/0-5V, 4-20 mA)
SKU:
QAA22SS.EWSN
Siemens
SKU:
QAA22SS.EWSN
Brand:
Siemens
–
+
$103.03
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 10
In Stock
Get 4 by
Wed, Jun 10
Add to List
QPA2062 Compare Checkbox
Compare
Series 2200 Wall Mounted Temperature, Humidity & CO2 Sensor
SKU:
QPA2062
Siemens
SKU:
QPA2062
Brand:
Siemens
–
+
$567.02
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
832-178 Compare Checkbox
Compare
Calibration Tools
SKU:
832-178
Siemens
SKU:
832-178
Brand:
Siemens
–
+
$53.18
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 10
Total Available: 3
In Stock
Get 2 by
Wed, Jun 10
Total Available: 3
Add to List
698-088 Compare Checkbox
Compare
1/2" Powermite Union Gasket Kit
SKU:
698-088
Siemens
SKU:
698-088
Brand:
Siemens
–
+
$25.53
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
994-405 Compare Checkbox
Compare
Axial Fan for VFD Cabinet (115V)
SKU:
994-405
Siemens
SKU:
994-405
Brand:
Siemens
–
+
$57.48
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
QPA2284.FWSC Compare Checkbox
Compare
Room Air Quality Sensor (For use w/ TEC)
SKU:
QPA2284.FWSC
Siemens
SKU:
QPA2284.FWSC
Brand:
Siemens
–
+
$612.40
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
1
2
3
4
...
19
Refresh
×
Video