1. Building Automation
Pressure Accessories
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential
customers and current employees as a resource only. They may not be reproduced, published, or
transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness,
product names, and logos, included within these compilations may not be used without specific, written
prior permission from Dwyer Instruments, Inc. ©Copyright 2011 Dwyer Instruments, Inc

2. Duct Static Pressure Sensors
• Flange Mount Straight Style Insertion
• 3 Insertion Length Options:
– A-489 = 4”, A-491 = 6”, A-493 = 8”
• Includes Gasket and Screws

3. Duct Static Pressure Sensors
• A-480 One Piece Molded Plastic
• Flange with Mounting Holes

4. Duct Static Pressure Sensors
Hook Style Insertion Sensors
• A-303 Magnetic Mount with
Barb Connector
• A-302 Washer Mount with
Barb Connector
• A-301 Washer Mount
with Compression Fitting

5. Duct Static Pressure Sensors
• Flange Mount Hook Style Insertion
• 3 Insertion Length Options:
– A-302F-A = 4”, A-302F-B = 6”, A-302F-C = 8”
• Includes Gasket and Screws

6. Room Static Pressure Sensors
• A-465 Plastic Flush Wall Mount
with Back Barb Connector
• A-417A Metal Wall Mount
with Back Barb Connector
• A-418A Plastic Delta Style Wall
Mount with Back Barb Connector

7. Room Static Pressure Sensors
• A-419A Metal Ceiling Mount with Steel
Mesh Filter & Barb Connector & Mounting
Plate

8. Room Static Pressure Sensors
• A-414 All 316 Static Sensor with 316
Stainless Steel Mesh Filter, Barb
Connector and Flange
• Typically for Clean Rooms or Medical

9. Outdoor Static Pressure Sensors
• A-420A Conduit Mount Style
• A-306-A Pipe Mount Style with
Mounting Bracket & Tubing

10. Siphons
• A-169 Carbon Steel and 304
Stainless Steel Siphons
– Schedules 40 or 80
– ¼” NPT or ½” NPT
• A-170 316 SS Siphons
– Schedule 40.
– ¼” and ½” NPT

11. Norprene® Tubing
• A-200 Norprene® Tubing
• Available in 3/16” ID and
1/4” ID sizes.
• Comes in 50 Foot Lengths

12. Colored Vinyl Tubing
• A-204 Colored Vinyl Tubing
• Red, White, Blue, and Black Colors.
• 3/16” ID Size
• Assists Installers with Connections to
Device

13. Plenum Rated Tubing
• A-223P Plenum Rated Polyethylene
Tubing
• Often Required in Building Applications
• .17” ID and ¼” ID sizes.

14. Nylon Tubing
• A-224 Nylon Tubing.
• .23” ID x 5/16” OD and .256” ID x 3/8” OD
sizes.
• High Temperature and Pressure
Applications

15. Questions
To order a free catalog or for more information contact;
Dwyer Instruments, Inc., P.O. Box 373,
Michigan City, IN., 46361
Telephone: (800) 872-9141 or (219) 879-8000
Fax: (219) 872-9057
Internet address: www.dwyer-inst.com
E-mail: info@dwyer-inst.com