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Collection: By Manufacturer: Siemens

Siemens Building Technologies offers integrated, data-driven automation systems specializing in HVAC, lighting, and security. Together, the focus is to optimize energy efficiency, safety, and occupant experience in commercial and public buildings worldwide. Shop all of the Siemens products that we offer.

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Siemens GVD226.1U 200 lb-in,SR,2PT,120V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD226.1U 200 lb-in,SR,2PT,120V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $300.42 USD

Regular price Sale price $300.42 USD
Siemens GVD326.1U 200 lb-in,SR,2PT,230V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD326.1U 200 lb-in,SR,2PT,230V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $301.06 USD

Regular price Sale price $301.06 USD
Siemens GVD321.1U 200 lb-in,SR,2PT,230V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD321.1U 200 lb-in,SR,2PT,230V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $262.07 USD

Regular price Sale price $262.07 USD
Siemens GVD221.1U 200 lb-in,SR,2PT,120V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD221.1U 200 lb-in,SR,2PT,120V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $266.78 USD

Regular price Sale price $266.78 USD
Siemens GVD126.1U 200 lb-in,SR,2PT,24V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD126.1U 200 lb-in,SR,2PT,24V,SW, FS 2 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $275.51 USD

Regular price Sale price $275.51 USD
Siemens GVD121.1U 200 lb-in,SR,2PT,24V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Siemens GVD121.1U 200 lb-in,SR,2PT,24V,FS 0 aux switch, 3 ft cable, Run time for 90° 30s nominal, Spring return 15 s max, 35 VA / 9 VA, Run / Hold

Regular price $239.38 USD

Regular price Sale price $239.38 USD
Siemens QFM2100 - Duct Humidity Sensor, 0-10V, 5% Accuracy

Siemens QFM2100 - Duct Humidity Sensor, 0-10V, 5% Accuracy

Regular price $168.55 USD

Regular price Sale price $168.55 USD
Siemens QFM2101 - Duct Humidity Sensor, 4-20mA, 5% Accuracy

Siemens QFM2101 - Duct Humidity Sensor, 4-20mA, 5% Accuracy

Regular price $168.55 USD

Regular price Sale price $168.55 USD
Siemens QFM2160U - Duct Humidity & Temperature Sensor, 0-10V, 5% Accuracy

Siemens QFM2160U - Duct Humidity & Temperature Sensor, 0-10V, 5% Accuracy

Regular price $194.03 USD

Regular price Sale price $194.03 USD
Siemens QFM3100 - Duct Humidity Sensor, 0-10V, 2% Accuracy

Siemens QFM3100 - Duct Humidity Sensor, 0-10V, 2% Accuracy

Regular price $240.61 USD

Regular price Sale price $240.61 USD
Siemens QFM3101 - Duct Humidity Sensor, 4-20mA, 2% Accuracy

Siemens QFM3101 - Duct Humidity Sensor, 4-20mA, 2% Accuracy

Regular price $240.61 USD

Regular price Sale price $240.61 USD
Siemens QFM3160 - Duct Humidity & Temperature Sensor, 0-10V, 2% Accuracy

Siemens QFM3160 - Duct Humidity & Temperature Sensor, 0-10V, 2% Accuracy

Regular price $265.50 USD

Regular price Sale price $265.50 USD
Siemens QFM3171 - Duct Humidity & Temperature Sensor,4-20mA, 2% Accuracy

Siemens QFM3171 - Duct Humidity & Temperature Sensor,4-20mA, 2% Accuracy

Regular price $265.50 USD

Regular price Sale price $265.50 USD
Siemens QFM3171D - Duct Humidity & Temperature Sensor, 4-20mA, 2% Accuracy, with Display

Siemens QFM3171D - Duct Humidity & Temperature Sensor, 4-20mA, 2% Accuracy, with Display

Regular price $336.54 USD

Regular price Sale price $336.54 USD
Siemens QFM4160 - Duct Humidity & Temperature Sensor, 0-10V, 2% Accuracy, Certified

Siemens QFM4160 - Duct Humidity & Temperature Sensor, 0-10V, 2% Accuracy, Certified

Regular price $638.37 USD

Regular price Sale price $638.37 USD
Siemens QFA3160 - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy

Siemens QFA3160 - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy

Regular price $294.91 USD

Regular price Sale price $294.91 USD
Siemens QFA3160D - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy, with Display

Siemens QFA3160D - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy, with Display

Regular price $363.79 USD

Regular price Sale price $363.79 USD
Siemens QFA3171 - Wall Mount Humidity & Temperature Sensor,4-20mA, 2% Accuracy

Siemens QFA3171 - Wall Mount Humidity & Temperature Sensor,4-20mA, 2% Accuracy

Regular price $294.91 USD

Regular price Sale price $294.91 USD
Siemens QFA3171D - Wall Mount Humidity & Temperature Sensor, 4-20mA, 2% Accuracy, with Display

Siemens QFA3171D - Wall Mount Humidity & Temperature Sensor, 4-20mA, 2% Accuracy, with Display

Regular price $363.79 USD

Regular price Sale price $363.79 USD
Siemens QFA4160 - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy, Certified

Siemens QFA4160 - Wall Mount Humidity & Temperature Sensor, 0-10V, 2% Accuracy, Certified

Regular price $638.37 USD

Regular price Sale price $638.37 USD
Siemens 192-229 Room Thermostat, Dual Setpoint, RA Heat, DA Cool, Celsius, 2-pipe

Siemens 192-229 Room Thermostat, Dual Setpoint, RA Heat, DA Cool, Celsius, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-228 Room Thermostat, Dual Setpoint, DA Heat, RA Cool, Celsius, 2-pipe

Siemens 192-228 Room Thermostat, Dual Setpoint, DA Heat, RA Cool, Celsius, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-226 Room Thermostat, Pneumatic, Dual Setpoint, DA, D/N/Vent, Celsius, 3-pipe

Siemens 192-226 Room Thermostat, Pneumatic, Dual Setpoint, DA, D/N/Vent, Celsius, 3-pipe

Regular price $272.59 USD

Regular price Sale price $272.59 USD
Siemens 192-225 Room Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Celsius, 2-pipe

Siemens 192-225 Room Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Celsius, 2-pipe

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-224 Room Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Celsius, 2-pipe

Siemens 192-224 Room Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Celsius, 2-pipe

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-223 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe

Siemens 192-223 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-222 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 2-pipe

Siemens 192-222 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-221 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe

Siemens 192-221 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-220 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 1-pipe

Siemens 192-220 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 1-pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-210 Room Thermostat, Pneumatic, Dual Setpoint, RA Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-210 Room Thermostat, Pneumatic, Dual Setpoint, RA Heat/Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-209 Room Temp Thermostat, Dual Setpoint, RA Heat, DA Cool, Fahrenheit, 2-pipe

Siemens 192-209 Room Temp Thermostat, Dual Setpoint, RA Heat, DA Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-208 Room Temp Thermostat, Pneumatic, DA Heat, RA Cool, Fahrenheit, 2-pipe

Siemens 192-208 Room Temp Thermostat, Pneumatic, DA Heat, RA Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-207 Room Temp Thermostat, DA, Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-207 Room Temp Thermostat, DA, Heat/Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-206 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night/Vent, Fahrenheit

Siemens 192-206 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night/Vent, Fahrenheit

Regular price $272.59 USD

Regular price Sale price $272.59 USD
Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit

Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit

Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-203 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 2-Pipe

Siemens 192-203 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 2-Pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-202 Room Temp Thermostat, Pneumatic, DA, Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-202 Room Temp Thermostat, Pneumatic, DA, Heat/Cool, Fahrenheit, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-201 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 1 Pipe

Siemens 192-201 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 1 Pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-200 Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit

Siemens 192-200 Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 331-4821 No. 3 Pneumatic Actuator, 8 to 13 psi, Extended Shaft Mounting, 2-3/4-inch Stroke

Siemens 331-4821 No. 3 Pneumatic Actuator, 8 to 13 psi, Extended Shaft Mounting, 2-3/4-inch Stroke

Regular price $170.95 USD

Regular price Sale price $170.95 USD
Siemens 331-4814 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Fixed Bracket Mounting, With Clevis

Siemens 331-4814 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Fixed Bracket Mounting, With Clevis

Regular price $154.55 USD

Regular price Sale price $154.55 USD
Siemens 331-4813 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Fixed Bracket Mounting

Siemens 331-4813 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Fixed Bracket Mounting

Regular price $146.56 USD

Regular price Sale price $146.56 USD
Siemens 331-4812 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Integral Pivot Mounting

Siemens 331-4812 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Integral Pivot Mounting

Regular price $123.99 USD

Regular price Sale price $123.99 USD
Siemens 331-4811 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Integral Pivot with Pivot Post, Extended Shaft Mounting

Siemens 331-4811 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Integral Pivot with Pivot Post, Extended Shaft Mounting

Regular price $170.95 USD

Regular price Sale price $170.95 USD
Siemens 331-4810 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Front Mounting

Siemens 331-4810 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 8 to 13 psi, Front Mounting

Regular price $115.97 USD

Regular price Sale price $115.97 USD
Siemens 331-4551 Number 3 Pneumatic Damper Actuator .5-10PSI 2 3/4"Stroke

Siemens 331-4551 Number 3 Pneumatic Damper Actuator .5-10PSI 2 3/4"Stroke

Regular price $138.81 USD

Regular price Sale price $138.81 USD
Siemens 331-4531 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Fixed Bracket Mounting, With Ball Joint Connector

Siemens 331-4531 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Fixed Bracket Mounting, With Ball Joint Connector

Regular price $166.52 USD

Regular price Sale price $166.52 USD
Siemens 331-4513 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Fixed Bracket Mounting

Siemens 331-4513 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Fixed Bracket Mounting

Regular price $143.89 USD

Regular price Sale price $143.89 USD
Siemens 331-4512 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Integral Pivot Mounting

Siemens 331-4512 Damper Actuator, Pneumatic, Number 3, 2 3/8" Stroke, 5 to 10 psi, Integral Pivot Mounting

Regular price $123.99 USD

Regular price Sale price $123.99 USD

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