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
115 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (62)
Show
In Stock Only
(62)
Category
–
Parts & Accessories (53)
Thermostats (62)
Review Score
–
5 Filter (6)
(6)
4 Filter (1)
(1)
3 Filter (1)
(1)
Home
Heating Supplies & Parts
Thermostats
Siemens Thermostats & Parts
Siemens Thermostats & Parts
Need a little help?
View our Resources
115 items
FILTER
Grid
List
Sort: Top Sellers
134-1504 Compare Checkbox
Compare
134 Electric Freeze Stat w/ Manual Reset, 15/55F, DPST
SKU:
134-1504
Siemens
SKU:
134-1504
Brand:
Siemens
–
+
$299.86
each
ADD TO CART
Add to List
In Stock
Get 24 by
Tue, Jun 16
Total Available: 81
In Stock
Get 24 by
Tue, Jun 16
Total Available: 81
Add to List
192-202 Compare Checkbox
Compare
TH192S Direct Acting Single Temperature Room Thermostat with Two Pipe Relay
SKU:
192-202
Siemens
SKU:
192-202
Brand:
Siemens
–
+
$139.34
each
ADD TO CART
Add to List
In Stock
Get 13 by
Tue, Jun 16
Total Available: 176
In Stock
Get 13 by
Tue, Jun 16
Total Available: 176
Add to List
134-1510 Compare Checkbox
Compare
134 Electric Low Temperature Freeze Stat w/ Automatic Reset, 35/45F, SPDT
SKU:
134-1510
Siemens
SKU:
134-1510
Brand:
Siemens
(1)
–
+
$200.22
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Jun 16
Total Available: 27
In Stock
Get 8 by
Tue, Jun 16
Total Available: 27
Add to List
134-1511 Compare Checkbox
Compare
134 Electric Freeze Stat w/ Manual Reset, 35/45F, SPDT
SKU:
134-1511
Siemens
SKU:
134-1511
Brand:
Siemens
–
+
$230.21
each
ADD TO CART
Add to List
In Stock
Get 23 by
Tue, Jun 16
Total Available: 60
In Stock
Get 23 by
Tue, Jun 16
Total Available: 60
Add to List
192-633 Compare Checkbox
Compare
Test Probe w/ Calibration Gauge & Wrench
SKU:
192-633
Siemens
SKU:
192-633
Brand:
Siemens
(2)
–
+
$53.83
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tue, Jun 16
Total Available: 25
In Stock
Get 12 by
Tue, Jun 16
Total Available: 25
Add to List
192-203 Compare Checkbox
Compare
2-Pipe Powerstar 1 Setpoint/Output Reverse Acting Pneumatic Room Thermostat (45° to 85°F)
SKU:
192-203
Siemens
SKU:
192-203
Brand:
Siemens
(1)
–
+
$133.65
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Jun 16
Total Available: 59
In Stock
Get 8 by
Tue, Jun 16
Total Available: 59
Add to List
192-623 Compare Checkbox
Compare
Allen Wrench Kit (5 Pack)
SKU:
192-623
Siemens
SKU:
192-623
Brand:
Siemens
–
+
$37.30
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 16
Total Available: 17
In Stock
Get 4 by
Tue, Jun 16
Total Available: 17
Add to List
RDY2000BN Compare Checkbox
Compare
Commercial Room Thermostat w/ BACnet Communication
SKU:
RDY2000BN
Siemens
SKU:
RDY2000BN
Brand:
Siemens
–
+
$444.35
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 16
Total Available: 25
In Stock
Get 4 by
Tue, Jun 16
Total Available: 25
Add to List
192-840 Compare Checkbox
Compare
TH-192 Retrostat Kit w/ Direct Acting Fahrenheit Scale
SKU:
192-840
Siemens
SKU:
192-840
Brand:
Siemens
–
+
$156.51
each
ADD TO CART
Add to List
In Stock
Get 18 by
Tue, Jun 16
Total Available: 84
In Stock
Get 18 by
Tue, Jun 16
Total Available: 84
Add to List
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
Tue, Jun 16
Total Available: 118
In Stock
Get 36 by
Tue, Jun 16
Total Available: 118
Add to List
141-0520 Compare Checkbox
Compare
ET 141 Line Voltage Remote Bulb Thermostat w/ 6 ft. Capillary, SPDT, (30°F to 110°F)
SKU:
141-0520
Siemens
SKU:
141-0520
Brand:
Siemens
(1)
–
+
$209.83
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Jun 16
Total Available: 23
In Stock
Get 8 by
Tue, Jun 16
Total Available: 23
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 9 by
Tue, Jun 16
Total Available: 32
In Stock
Get 9 by
Tue, Jun 16
Total Available: 32
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
Tue, Jun 16
Total Available: 9
In Stock
Get 7 by
Tue, Jun 16
Total Available: 9
Add to List
856-055 Compare Checkbox
Compare
Thermostat Setpoint Adjustment Key
SKU:
856-055
Siemens
SKU:
856-055
Brand:
Siemens
–
+
$8.29
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tue, Jun 16
Total Available: 17
In Stock
Get 12 by
Tue, Jun 16
Total Available: 17
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
Tue, Jun 16
Total Available: 20
In Stock
Get 12 by
Tue, Jun 16
Total Available: 20
Add to List
134-1084 Compare Checkbox
Compare
134 Electric Line Voltage Room Thermostat (1.8°F Heating, 2.31°F Cooling)
SKU:
134-1084
Siemens
SKU:
134-1084
Brand:
Siemens
–
+
$256.79
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 16
Total Available: 10
In Stock
Get 2 by
Tue, Jun 16
Total Available: 10
Add to List
192-208 Compare Checkbox
Compare
TH-192HC Heating/Cooling Room Thermostat
SKU:
192-208
Siemens
SKU:
192-208
Brand:
Siemens
–
+
$217.18
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
Total Available: 16
In Stock
Get 3 by
Tue, Jun 16
Total Available: 16
Add to List
RDG160TU Compare Checkbox
Compare
Wall-mounted Programmable Thermostat Fan Coil Unit, 3-Speed/ECM Fan (24V)
SKU:
RDG160TU
Siemens
SKU:
RDG160TU
Brand:
Siemens
(1)
–
+
$181.05
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 16
Total Available: 37
In Stock
Get 2 by
Tue, Jun 16
Total Available: 37
Add to List
RDG110U Compare Checkbox
Compare
On/Off Wall-Mounted Fan Coil/ Heat Pump Thermostat (24V)
SKU:
RDG110U
Siemens
SKU:
RDG110U
Brand:
Siemens
–
+
$132.49
each
ADD TO CART
Add to List
In Stock
Get 22 by
Wed, Jun 17
Total Available: 31
In Stock
Get 22 by
Wed, Jun 17
Total Available: 31
Add to List
RDY2000 Compare Checkbox
Compare
Commercial Room Programmable Thermostat (24 Vac)
SKU:
RDY2000
Siemens
SKU:
RDY2000
Brand:
Siemens
–
+
$344.41
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
Total Available: 5
In Stock
Get 2 by
Wed, Jun 17
Total Available: 5
Add to List
188-0030 Compare Checkbox
Compare
TH-188 Direct/Reverse Acting Thermostat - Unit Mounted
SKU:
188-0030
Siemens
SKU:
188-0030
Brand:
Siemens
–
+
$432.45
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 41
In Stock
Get 1 by
Tue, Jun 16
Total Available: 41
Add to List
141-0521 Compare Checkbox
Compare
ET 141 Line Voltage Remote Bulb Thermostat w/ 6 ft. Capillary, SPDT, (100°F to 240°F)
SKU:
141-0521
Siemens
SKU:
141-0521
Brand:
Siemens
–
+
$220.49
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 7
In Stock
Get 1 by
Tue, Jun 16
Total Available: 7
Add to List
192-200 Compare Checkbox
Compare
1-Pipe Powerstar 1 Setpoint/Output Direct Acting Pneumatic Room Thermostat (45° to 85°F)
SKU:
192-200
Siemens
SKU:
192-200
Brand:
Siemens
–
+
$147.75
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
Total Available: 14
In Stock
Get 3 by
Tue, Jun 16
Total Available: 14
Add to List
192-840W Compare Checkbox
Compare
Single Setpoint & Temperature DA Thermostat Retrofit Kit, °F (White)
SKU:
192-840W
Siemens
SKU:
192-840W
Brand:
Siemens
–
+
$159.54
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jun 16
Total Available: 36
In Stock
Get 5 by
Tue, Jun 16
Total Available: 36
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
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Add to List
192-252W Compare Checkbox
Compare
Plastic Thermostat Cover Exposed Thermometer Exposed Setpoint (White)
SKU:
192-252W
Siemens
SKU:
192-252W
Brand:
Siemens
–
+
$16.18
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
Total Available: 10
In Stock
Get 3 by
Tue, Jun 16
Total Available: 10
Add to List
ARG70 Compare Checkbox
Compare
Thermostat Wall Plate Escutcheon
SKU:
ARG70
Siemens
SKU:
ARG70
Brand:
Siemens
–
+
$11.99
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Add to List
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
Tue, Jun 16
Total Available: 12
In Stock
Get 2 by
Tue, Jun 16
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
Thu, Jun 18
Total Available: 3
In Stock
Get 1 by
Thu, Jun 18
Total Available: 3
Add to List
RDG400 Compare Checkbox
Compare
Commercial VAV Thermostat (24V)
SKU:
RDG400
Siemens
SKU:
RDG400
Brand:
Siemens
–
+
$139.86
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
In Stock
Get 2 by
Wed, Jun 17
Add to List
141-0522 Compare Checkbox
Compare
ET 141 Electric Surface Mounted Thermostat, SPDT, (50° to 200°F)
SKU:
141-0522
Siemens
SKU:
141-0522
Brand:
Siemens
–
+
$256.43
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 16
Total Available: 9
In Stock
Get 2 by
Tue, Jun 16
Total Available: 9
Add to List
141-0530 Compare Checkbox
Compare
ET 141 Electric High Temperature Limit Control Thermostat, SPST, (25° to 215°F)
SKU:
141-0530
Siemens
SKU:
141-0530
Brand:
Siemens
–
+
$335.18
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
192-481 Compare Checkbox
Compare
8" Preassembled Plastic Tubing Loop for 1/4" OD Barbed Fitting (10 Pack)
SKU:
192-481
Siemens
SKU:
192-481
Brand:
Siemens
–
+
$165.87
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
Total Available: 4
In Stock
Get 2 by
Wed, Jun 17
Total Available: 4
Add to List
192-505 Compare Checkbox
Compare
8" Preassembled Plastic Tubing Loop for 5/32" OD Tubing (10 Pack)
SKU:
192-505
Siemens
SKU:
192-505
Brand:
Siemens
–
+
$171.97
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
Total Available: 28
In Stock
Get 3 by
Tue, Jun 16
Total Available: 28
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
Tue, Jun 16
Total Available: 5
In Stock
Get 2 by
Tue, Jun 16
Total Available: 5
Add to List
192-205 Compare Checkbox
Compare
Thermostat Chassis & Wall Plate - Day & Night Reverse Acting
SKU:
192-205
Siemens
SKU:
192-205
Brand:
Siemens
–
+
$235.74
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 16
Total Available: 19
In Stock
Get 4 by
Tue, Jun 16
Total Available: 19
Add to List
192-759 Compare Checkbox
Compare
Needle Probe without Gauge (5 Pack)
SKU:
192-759
Siemens
SKU:
192-759
Brand:
Siemens
(1)
–
+
$87.27
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
In Stock
Get 2 by
Wed, Jun 17
Add to List
192-257 Compare Checkbox
Compare
Powerstar Single Set Point Thermostat Cover w/ Concealed Thermometer
SKU:
192-257
Siemens
SKU:
192-257
Brand:
Siemens
–
+
$16.18
each
ADD TO CART
Add to List
In Stock
Get 86 by
Tue, Jun 16
Total Available: 87
In Stock
Get 86 by
Tue, Jun 16
Total Available: 87
Add to List
192-841W Compare Checkbox
Compare
Single Setpoint & Temperature DA Thermostat Retrofit Kit, °F (White)
SKU:
192-841W
Siemens
SKU:
192-841W
Brand:
Siemens
–
+
$155.93
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 16
Total Available: 9
In Stock
Get 2 by
Tue, Jun 16
Total Available: 9
Add to List
188-0031 Compare Checkbox
Compare
TH-188 Direct Acting Thermostat - Unit Mounted
SKU:
188-0031
Siemens
SKU:
188-0031
Brand:
Siemens
–
+
$318.33
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
Total Available: 3
In Stock
Get 2 by
Wed, Jun 17
Total Available: 3
Add to List
192-3044 Compare Checkbox
Compare
Day (DA) 18 psi / Night (DA) 25 psi Thermostat Retrofit Kit, °F (Beige)
SKU:
192-3044
Siemens
SKU:
192-3044
Brand:
Siemens
–
+
$260.50
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
192-252 Compare Checkbox
Compare
Powerstar Single Set Point Thermostat Cover w/ Exposed Thermometer
SKU:
192-252
Siemens
SKU:
192-252
Brand:
Siemens
–
+
$16.33
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Add to List
192-201 Compare Checkbox
Compare
TH192S Reverse Acting Single Temperature Room Thermostat with One Pipe Non-Relay
SKU:
192-201
Siemens
SKU:
192-201
Brand:
Siemens
–
+
$111.36
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jun 17
In Stock
Get 4 by
Wed, Jun 17
Add to List
192-300 Compare Checkbox
Compare
Universal Retrofit Kit
SKU:
192-300
Siemens
SKU:
192-300
Brand:
Siemens
–
+
$44.46
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 17
In Stock
Get 3 by
Wed, Jun 17
Add to List
192-868 Compare Checkbox
Compare
Retrostat Plastic Thermostat Cover Kit - Desert Beige
SKU:
192-868
Siemens
SKU:
192-868
Brand:
Siemens
(1)
–
+
$42.05
each
ADD TO CART
Add to List
In Stock
Get 10 by
Thu, Jun 18
In Stock
Get 10 by
Thu, Jun 18
Add to List
192-321 Compare Checkbox
Compare
Restrictor Plate Replacement Kit (10 Pack)
SKU:
192-321
Siemens
SKU:
192-321
Brand:
Siemens
–
+
$72.30
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Add to List
832-0500 Compare Checkbox
Compare
Direct Activity Exposed Key Adjustment Room Thermostat with Thermometer (60° to 85°F)
SKU:
832-0500
Siemens
SKU:
832-0500
Brand:
Siemens
–
+
$397.26
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by
Tue, Jul 14 - Tue, Aug 11
Add to List
357-0001 Compare Checkbox
Compare
TH 357 8 ft. Limitem Liquid Filled Averaging Bulb Thermostat (35° to 145°F)
SKU:
357-0001
Siemens
SKU:
357-0001
Brand:
Siemens
–
+
$402.74
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
1
2
3
Resources
FAQs, Manuals & Videos
Articles
More About Siemens Thermostats & Parts
This category contains a variety of Siemens Thermostats plus parts and accessories.
View More
Close Resources
Refresh
×
Video