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
890 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (458)
Show
In Stock Only
(458)
Category
–
Burner Accessories (30)
Miscellaneous Parts (687)
Pressure Controls (13)
Restrictors (1)
Temperature Sensors (159)
Review Score
–
5 Filter (19)
(19)
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 (5)
$20 to $25 (5)
$25 to $30 Filter (19)
$25 to $30 (19)
$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
890 items
FILTER
Grid
List
Sort: Top Sellers
ASK39.1 Compare Checkbox
Compare
Weathershield for SAX/SAL
SKU:
ASK39.1
Siemens
SKU:
ASK39.1
Brand:
Siemens
–
+
$126.37
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
QFA3101 Compare Checkbox
Compare
Room Sensor for Relative Humidity, 4 to 20 mA
SKU:
QFA3101
Siemens
SKU:
QFA3101
Brand:
Siemens
–
+
$241.54
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
S55720-S562 Compare Checkbox
Compare
Aqm.kit4112 Wiring Kit For Eco, S55720-S562
SKU:
S55720-S562
Siemens
SKU:
S55720-S562
Brand:
Siemens
–
+
$130.34
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
195-066 Compare Checkbox
Compare
Restrictor Kit
SKU:
195-066
Siemens
SKU:
195-066
Brand:
Siemens
–
+
$54.77
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
366-02070 Compare Checkbox
Compare
3-way Mix Brass Fxf 3/4" 6.3 Act Valve, 366-02070
SKU:
366-02070
Siemens
SKU:
366-02070
Brand:
Siemens
–
+
$447.68
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
371-03186 Compare Checkbox
Compare
1-1/4" Normally Closed 16 Cv W/ Sax61.03u Valve, 371-03186
SKU:
371-03186
Siemens
SKU:
371-03186
Brand:
Siemens
–
+
$771.89
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
371-03205 Compare Checkbox
Compare
3w Mix Fxf 1-1/2" 25.0 24v Non Spring Return Actuator, 371-03205
SKU:
371-03205
Siemens
SKU:
371-03205
Brand:
Siemens
–
+
$976.65
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
599-03114 Compare Checkbox
Compare
1-1/4" Normally Open Ss Equal Percent 16 Cv Valve, 599-03114
SKU:
599-03114
Siemens
SKU:
599-03114
Brand:
Siemens
–
+
$451.07
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
270-03180 Compare Checkbox
Compare
1/2" Normally Closed 1 Cv 10/15 Psi 4"act Equal Percent Valve, 270-03180
SKU:
270-03180
Siemens
SKU:
270-03180
Brand:
Siemens
–
+
$294.39
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
599-06130 Compare Checkbox
Compare
2.5" Normally Closed Valve, Ss Trim Linear 250 Psi, 599-06130
SKU:
599-06130
Siemens
SKU:
599-06130
Brand:
Siemens
–
+
$1,715.63
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
Add to List
540-650B Compare Checkbox
Compare
TEC Interactive Digital Room Sensor (White)
SKU:
540-650B
Siemens
SKU:
540-650B
Brand:
Siemens
–
+
$599.98
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
270-03077 Compare Checkbox
Compare
2-way Normally Closed S.s. Vr Fxf 1"1.0 Valve, 270-03077
SKU:
270-03077
Siemens
SKU:
270-03077
Brand:
Siemens
–
+
$520.87
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
544-343-24 Compare Checkbox
Compare
24" Rigid Averaging Platinum Duct Sensor, 1K Ohm
SKU:
544-343-24
Siemens
SKU:
544-343-24
Brand:
Siemens
–
+
$97.64
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Oct 9
Total Available: 6
In Stock
Get 3 by
Tomorrow, Oct 9
Total Available: 6
Add to List
538-871 Compare Checkbox
Compare
10k Ohm Duct Sensor Thermistor, 538-871
SKU:
538-871
Siemens
SKU:
538-871
Brand:
Siemens
–
+
$61.33
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
599-06052 Compare Checkbox
Compare
4" Normally Closed Valve, Ss, Linear, 599-06052
SKU:
599-06052
Siemens
SKU:
599-06052
Brand:
Siemens
–
+
$2,188.13
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
Add to List
QFA3230.FWSN Compare Checkbox
Compare
Tec Sensor Display Override Temperature Setpoint, QFA3230.FWSN
SKU:
QFA3230.FWSN
Siemens
SKU:
QFA3230.FWSN
Brand:
Siemens
–
+
$252.74
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
373-03186 Compare Checkbox
Compare
2-way Normally Closed Fxf 1-1/4" 16.0 24v Non Spring Return Actuator, 373-03186
SKU:
373-03186
Siemens
SKU:
373-03186
Brand:
Siemens
–
+
$706.52
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
QFA3280.EWNC Compare Checkbox
Compare
Humidity & Temperature Sensor, RH 2%, for TEC
SKU:
QFA3280.EWNC
Siemens
SKU:
QFA3280.EWNC
Brand:
Siemens
–
+
$146.98
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
ASK71.5 Compare Checkbox
Compare
Rotary/Linear Mounting Kit
SKU:
ASK71.5
Siemens
SKU:
ASK71.5
Brand:
Siemens
–
+
$50.43
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
366-02051 Compare Checkbox
Compare
2-way Normally Open S.s. Fxf 1/2" 1.0 Act Valve, 366-02051
SKU:
366-02051
Siemens
SKU:
366-02051
Brand:
Siemens
–
+
$454.67
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
298-03115 Compare Checkbox
Compare
2-way Normally Open Stainless Steel Fxf 1-1/2" 25 24v Spring Return Actuator, 298-03115
SKU:
298-03115
Siemens
SKU:
298-03115
Brand:
Siemens
–
+
$1,150.73
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
373-03187 Compare Checkbox
Compare
2-way Normally Closed Fxf 1-1/2" 25.0 24v Non Spring Return Actuator, 373-03187
SKU:
373-03187
Siemens
SKU:
373-03187
Brand:
Siemens
–
+
$808.76
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
ASK71.9 Compare Checkbox
Compare
Universal Crank Lever
SKU:
ASK71.9
Siemens
SKU:
ASK71.9
Brand:
Siemens
–
+
$61.75
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Oct 12
In Stock
Get 4 by
Mon, Oct 12
Add to List
366-02053 Compare Checkbox
Compare
2-way Normally Open S.s. Fxf 1/2" 1.6 Act Valve, 366-02053
SKU:
366-02053
Siemens
SKU:
366-02053
Brand:
Siemens
–
+
$454.67
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
3RT2015-2AK61 Compare Checkbox
Compare
7a Cont W/ Cage Clamp 120v/60hz, 3RT2015-2AK61
SKU:
3RT2015-2AK61
Siemens
SKU:
3RT2015-2AK61
Brand:
Siemens
–
+
$68.12
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
268-03114 Compare Checkbox
Compare
1.25" No 16 Cv Ss Equal Percent 3-8 Psi Valve, 268-03114
SKU:
268-03114
Siemens
SKU:
268-03114
Brand:
Siemens
–
+
$572.47
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
298-03130 Compare Checkbox
Compare
2-way Normally Closed Stainless Steel Fxf 3/4" 6.3 24v Spring Return Actuator, 298-03130
SKU:
298-03130
Siemens
SKU:
298-03130
Brand:
Siemens
–
+
$871.23
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
6ES71384CA010AA0 Compare Checkbox
Compare
Simatic Dp 24v Dc Pm-e Module, 6ES71384CA010AA0
SKU:
6ES71384CA010AA0
Siemens
SKU:
6ES71384CA010AA0
Brand:
Siemens
–
+
$72.99
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
373-03188 Compare Checkbox
Compare
2-way Normally Closed Fxf 2" 4.0 24v Non Spring Return Actuator, 373-03188
SKU:
373-03188
Siemens
SKU:
373-03188
Brand:
Siemens
–
+
$914.16
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
366-02055 Compare Checkbox
Compare
2-way Normally Open S.s. Fxf 1/2" 2.5 Act Valve, 366-02055
SKU:
366-02055
Siemens
SKU:
366-02055
Brand:
Siemens
–
+
$450.24
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
267-03132 Compare Checkbox
Compare
2-way Normally Closed Ss 1-1/4" 16.0 24v Non Spring Return Actuator, 267-03132
SKU:
267-03132
Siemens
SKU:
267-03132
Brand:
Siemens
–
+
$1,178.53
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
QPA2284.EWNC Compare Checkbox
Compare
Room CO2 & Humidity & Temperature Sensor, Full Feature, Siemens Logo, TECs
SKU:
QPA2284.EWNC
Siemens
SKU:
QPA2284.EWNC
Brand:
Siemens
–
+
$665.67
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
270-03204 Compare Checkbox
Compare
1.25" 3-way Mix Cv 16 10/15 Psi Brass Valve, 270-03204
SKU:
270-03204
Siemens
SKU:
270-03204
Brand:
Siemens
–
+
$488.61
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Oct 12
In Stock
Get 3 by
Mon, Oct 12
Add to List
599-02055C Compare Checkbox
Compare
2-way No 8-13 S.s. Fxf 1/2" 2.5 Valve, 599-02055C
SKU:
599-02055C
Siemens
SKU:
599-02055C
Brand:
Siemens
–
+
$104.52
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
255-01137 Compare Checkbox
Compare
1/2" 3-way Mix 24v 4 Cv Lin. Valve, 255-01137
SKU:
255-01137
Siemens
SKU:
255-01137
Brand:
Siemens
–
+
$243.05
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Oct 12
In Stock
Get 3 by
Mon, Oct 12
Add to List
298-03131 Compare Checkbox
Compare
2-way Normally Closed Stainless Steel Fxf 1.0/10 24v Spring Return Actuator, 298-03131
SKU:
298-03131
Siemens
SKU:
298-03131
Brand:
Siemens
–
+
$970.17
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
274-06165 Compare Checkbox
Compare
2 1/2" Mix 24v Spring Return Proportional 63cv Actuator, 274-06165
SKU:
274-06165
Siemens
SKU:
274-06165
Brand:
Siemens
–
+
$2,836.81
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
In Stock
Get 1 by
Thu, Oct 15 - Tue, Oct 20
Add to List
373-03167 Compare Checkbox
Compare
2-way Normally Open Brass Fxf 1"1.0 24v Non Spring Return Actuator, 373-03167
SKU:
373-03167
Siemens
SKU:
373-03167
Brand:
Siemens
–
+
$653.08
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
3RV1915-1AB Compare Checkbox
Compare
Msp 3rv 2 Line Side Feeder, 3RV1915-1AB
SKU:
3RV1915-1AB
Siemens
SKU:
3RV1915-1AB
Brand:
Siemens
–
+
$27.34
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
373-03198 Compare Checkbox
Compare
3w Mix Fxf 1/2" 1.0 24v Non Spring Return Actuator, 373-03198
SKU:
373-03198
Siemens
SKU:
373-03198
Brand:
Siemens
–
+
$654.93
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
QFM81.21 Compare Checkbox
Compare
Duct Hygrostat 30 To 90% Relative Humidity, QFM81.21
SKU:
QFM81.21
Siemens
SKU:
QFM81.21
Brand:
Siemens
–
+
$234.76
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
366-02058 Compare Checkbox
Compare
2-way Normally Open S.s. Fxf 1/2" 4.0 Act Valve, 366-02058
SKU:
366-02058
Siemens
SKU:
366-02058
Brand:
Siemens
–
+
$450.24
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
274-03004 Compare Checkbox
Compare
3/4" 2-way 0-10vdc, Spring Return Actuator 24v 6.3cv, 274-03004
SKU:
274-03004
Siemens
SKU:
274-03004
Brand:
Siemens
–
+
$1,235.31
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Oct 12
In Stock
Get 2 by
Mon, Oct 12
Add to List
267-03133 Compare Checkbox
Compare
2-way Normally Closed Ss 1-1/2" 25.0 24v Non Spring Return Actuator, 267-03133
SKU:
267-03133
Siemens
SKU:
267-03133
Brand:
Siemens
–
+
$1,347.87
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
QBE3190UD25 Compare Checkbox
Compare
Wet Differential Pressure Sensor w/ Manifold (0 to 25 psi)
SKU:
QBE3190UD25
Siemens
SKU:
QBE3190UD25
Brand:
Siemens
–
+
$686.81
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
171F-10369 Compare Checkbox
Compare
1-1/2" 3-way 63cv Valve 24v Spring Return Actuator, 171F-10369
SKU:
171F-10369
Siemens
SKU:
171F-10369
Brand:
Siemens
–
+
$646.81
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Oct 12
In Stock
Get 1 by
Mon, Oct 12
Add to List
540-661B Compare Checkbox
Compare
Series 1000 Room Temperature Sensor, 10k Ohm (White)
SKU:
540-661B
Siemens
SKU:
540-661B
Brand:
Siemens
–
+
$211.99
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
QPA2284.FWNC Compare Checkbox
Compare
Room CO2 & Humidity & Temperature Sensor, Full Feat, No Logo, Tool Port, TEC Controller
SKU:
QPA2284.FWNC
Siemens
SKU:
QPA2284.FWNC
Brand:
Siemens
–
+
$643.02
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Backorder
Get it by
Fri, Nov 6 - Mon, Dec 7
Add to List
1
...
6
7
8
...
19
Refresh
×
Video