View Details Siemens Building Technology S55803-Y130-A100 WLAN STICK  | Midwest Supply Us
S55803-Y130-A100 | WLAN STICK | Siemens Building Technology
Brand: Siemens Building Technology
SKU: S55803-Y130-A100
$141.41 each
View Details Siemens Building Technology 259-02044 3/4" 6.3CV NO 24V NSR FLTG  | Midwest Supply Us
259-02044 | 3/4" 6.3CV NO 24V NSR FLTG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 259-02044
$188.44 each
View Details Siemens Building Technology M3FB20LX/A 7/8" Hot Gas Bypass 5.0cv 24V  | Midwest Supply Us
M3FB20LX/A | 7/8" Hot Gas Bypass 5.0cv 24V | Siemens Building Technology
Brand: Siemens Building Technology
SKU: M3FB20LX/A
$2,115.26 each
View Details Siemens Building Technology M3FB15LX15/A 5/8" 1.75cv HotGasBypass  | Midwest Supply Us
M3FB15LX15/A | 5/8" 1.75cv HotGasBypass | Siemens Building Technology
Brand: Siemens Building Technology
SKU: M3FB15LX15/A
$1,665.06 each
View Details Siemens Building Technology A226.3K 120V ON/OFF 3000in# 30sec  | Midwest Supply Us
A226.3K | 120V ON/OFF 3000in# 30sec | Siemens Building Technology
Brand: Siemens Building Technology
SKU: A226.3K
$2,342.42 each
View Details Siemens Building Technology 466857488 SKB/B/D62U REPAIR PCB  | Midwest Supply Us
466857488 | SKB/B/D62U REPAIR PCB | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 466857488
$283.92 each
View Details Siemens Building Technology GCA151.1P SR 24VAC MOD 4-20MA  | Midwest Supply Us
GCA151.1P | SR 24VAC MOD 4-20MA | Siemens Building Technology
Brand: Siemens Building Technology
SKU: GCA151.1P
$425.90 each
View Details Siemens Building Technology AZX61.1 SAX FUNCTION MODULE  | Midwest Supply Us
AZX61.1 | SAX FUNCTION MODULE | Siemens Building Technology
Brand: Siemens Building Technology
SKU: AZX61.1
$84.84 each
View Details Siemens Building Technology 599-10122 4"Flg 3Way Service/Rebuild Kit  | Midwest Supply Us
599-10122 | 4"Flg 3Way Service/Rebuild Kit | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 599-10122
$1,250.67 each
View Details Siemens Building Technology 192-484 POWERS ADAPTOR KIT  | Midwest Supply Us
192-484 | POWERS ADAPTOR KIT | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 192-484
$40.79 each
View Details Siemens Building Technology 331-4821 #3 ACT,8-13# 2-3/4" Ext  | Midwest Supply Us
331-4821 | #3 ACT, 8-13# 2-3/4" Ext | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 331-4821
$175.19 each
View Details Siemens Building Technology 331-2857 #6 ACT. 3-8#  | Midwest Supply Us
331-2857 | #6 ACT. 3-8# | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 331-2857
$342.71 each
View Details Siemens Building Technology 599-05011 2 1/2"FLANGE KIT ANSI 125  | Midwest Supply Us
599-05011 | 2 1/2"FLANGE KIT ANSI 125 | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 599-05011
$142.82 each
View Details Siemens Building Technology 274-03115 1.5"N/O SStrim=% 25cvVlvAssy  | Midwest Supply Us
274-03115 | 1.5"N/O SStrim=% 25cvVlvAssy | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 274-03115
$1,453.94 each
View Details Siemens Building Technology GEB141.1P 177# NSR 2PT/3PT PLM ACTUATOR  | Midwest Supply Us
GEB141.1P | 177# NSR 2PT/3PT PLM ACTUATOR | Siemens Building Technology
Brand: Siemens Building Technology
SKU: GEB141.1P
$226.84 each
View Details Siemens Building Technology 364-02070 3/4" 3W MIX 6.3CV 0/10VDC NSR  | Midwest Supply Us
364-02070 | 3/4" 3W MIX 6.3CV 0/10VDC NSR | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 364-02070
$340.93 each
View Details Siemens Building Technology GVD221.1U 120v SR 2Pos Fire&Smoke Actuat  | Midwest Supply Us
GVD221.1U | 120v SR 2Pos Fire&Smoke Actuat | Siemens Building Technology
Brand: Siemens Building Technology
SKU: GVD221.1U
$282.96 each
View Details Siemens Building Technology M3FB15LX06/A 5/8" Gas Bypass Valve Assembly  | Midwest Supply Us
M3FB15LX06/A | 5/8" Gas Bypass Valve Assembly | Siemens Building Technology
Brand: Siemens Building Technology
SKU: M3FB15LX06/A
$1,665.06 each
View Details Siemens Building Technology 192-868 RESTROSTAT COVER KIT  | Midwest Supply Us
192-868 | RESTROSTAT COVER KIT | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 192-868
$57.58 each
View Details Siemens Building Technology 331-4551 Actuator5-10# 2.75"Fire Damper  | Midwest Supply Us
331-4551 | Actuator5-10# 2.75"Fire Damper | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 331-4551
$139.26 each
View Details Siemens Building Technology 540-520B FLUSH MOUNT TEMP SNSR TEC  | Midwest Supply Us
540-520B | FLUSH MOUNT TEMP SNSR TEC | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 540-520B
$97.83 each

At Midwest Supply, we offer a focused selection of Siemens Building Technologies products designed to support modern Siemens HVAC systems, building automation and facility control applications. Siemens Building Technology solutions are trusted worldwide for their precision, reliability and support for efficient building operations across commercial and industrial environments.

For contractors, maintenance teams and experienced technicians, Siemens components provide the control and consistency required to keep building systems operating smoothly.

Why Professionals Choose Siemens Building Technology

Siemens Building Technology products are engineered to support intelligent building performance. From advanced Siemens HVAC controls to integrated system monitoring, these solutions help facilities maintain comfort, efficiency, and operational stability.

Professionals rely on Siemens Building Technology because of its:

  • Proven performance in Siemens heating and cooling applications.
  • Engineering standards that support long-term reliability.
  • Compatibility with a wide range of building automation applications.
  • Focus on efficiency, accuracy and system integration.

These attributes make Siemens a preferred choice for both new installations and ongoing maintenance work.

Supporting HVAC, Controls and MRO Applications

Siemens Building Technology products play a key role in HVAC and facility management systems where precise control and dependable operation are essential. These components are commonly used to manage temperature regulation, airflow and system responsiveness across commercial and light industrial settings.

For maintenance, repair and operations (MRO) teams, Siemens solutions help streamline maintenance efforts by offering consistent performance and predictable operation. Contractors benefit from components that integrate seamlessly into existing systems, reducing installation time and minimizing troubleshooting.

Whether you are maintaining an existing building automation system or replacing critical HVAC control components, Siemens Building Technology products support stable, efficient system performance.

Designed for Efficiency and System Reliability

Building efficiency and system reliability are top priorities in modern facilities. Siemens Building Technology solutions are designed to help optimize system operation while supporting safe and controlled environments.

Using Siemens components can help facilities:

  • Improve HVAC system responsiveness.
  • Maintain consistent indoor conditions.
  • Support energy-conscious building operation.
  • Reduce disruptions caused by control or component failure.

These benefits are especially valuable for facilities focused on operational continuity and long-term system performance.

Ideal for Contractors, Facility Managers and Technicians

The Siemens Building Technology collection at Midwest Supply is well-suited for HVAC contractors, facility managers and experienced technicians who need dependable control components they can trust. Many professionals rely on Siemens products to maintain building automation systems and support reliable HVAC control performance.

These products are commonly specified in office buildings, healthcare facilities, educational institutions and light industrial environments. For professionals who require fast access to Siemens components, Midwest Supply provides a convenient online purchasing experience.

Buy Siemens Building Technology Products Online with Confidence

Midwest Supply makes it easy to source Siemens Building Technology products through a secure and efficient e-commerce platform built for HVAC and MRO professionals. Our site allows you to identify the right components and place orders quickly.

When you purchase Siemens Building Technology products from Midwest Supply, you receive:

  • Secure online payments for peace of mind.
  • Free shipping on orders over $999.
  • Quantity discounts to support larger projects and ongoing maintenance needs.
  • Five-star customer service from a knowledgeable support team.

We understand that access to reliable building control components is critical to keeping systems running efficiently.

A Trusted Brand, Supported by a Reliable Supplier

Siemens Building Technology products deliver the precision and dependability required for HVAC and building automation systems. Midwest Supply complements that quality with responsive service, competitive pricing and an easy-to-use online ordering experience.

Contact us today and explore our full selection of Siemens Building Technology products to see how Midwest Supply helps professionals maintain efficient, well-controlled building systems with confidence.

Committed to customer satisfaction
as experts in Siemens Building Technology Solutions for HVAC and Facility Control