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210 402-0605
  • They All
    J.W. Dielmann specializes in fire alarm systems solutions that save lives
  • When Seconds
    J.W. Dielmann specializes in portable fire extinguisher solutions that save lives
  • Get Help
    J.W. Dielmann specializes in nurse call systems that save lives

Fire Alarm Systems - San Antonio

At J.W. Dielmann, Inc. we Sell, Service, Design, Install, and Inspect & Test Life Safety Systems. We have over 38 years experience in the Life Safety Systems Industry and will assist you with making the best decisions for all of your Life Safety Systems. We service these locations: Atascosa, Bandera, Bexar, Comal, De Witt, Frio, Gonzales, Guadalupe, Karnes, Kendall, Kerr, Medina & Wilson counties.

We're committed to provide you with reliable customer service, the Industries leading technology, and the most cost-effective solutions for all you Life Safety Systems needs.

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Fire Alarm Systems & Nurse Call Solutions

Atascosa, Bandera, Bexar, Comal, De Witt, Frio, Gonzales, Guadalupe, Karnes, Kendall, Kerr, Medina & Wilson counties

Fire Alarm Systems

J.W. Dielmann, Inc. is an Engineered Systems Distributor (ESD) for Honeywell (GamewellFCI, Farenhytt, Silent Knight, Fire-Lite, System Sensor) serving San Antonio and South Texas.

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Portable Fire Extinguishers

J.W. Dielmann, Inc. sells Strike First fire extinguishers and fire extinguisher cabinets. We also perform fire extinguisher inspections to ensure the safety of you and your business.

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Nurse Call Systems

Here at J.W. Dielmann, Inc. we are proud distributors of TekTones extensive family of Nurse Call Systems that meet the alerting and communication needs of healthcare facilities.

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BDA . . .
Make Sure Everyone Gets the Message

J.W. Dielmann is Sales and Service certified by Gamewell-FCI

Gamewell-FCI Bi-Directional Amplifier System offers all the components required for design and installation of the Emergency Radio Communication Enhancement Systems (ERCES): signal boosters/Bi-Directional Amplifiers (BDA), batteries and battery enclosures, donor antennas, Distributed Antenna Systems (DAS), coaxial cables, connectors and lightning arrestors, power dividers and hybrid couplers, design services and training.

High Reliability
Excellent RF Performance
Ease of Use and Deployment
Can be Expanded
Contact us        Read BDA Brochure

Bi-Directional Amplifier System

Memberships and Associations


  • 4019 Stahl Rd. Suite 118
    San Antonio, TX 78217
  • Phone: 210 402-0605
  • Fax: 210 402-4070
  • Email:

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