Supplying Controls, Peripherals & Interace Devices
for Commercial HVAC, Building Automation, and
Energy Management for Over 25 Years
Sorry No Retail Sales
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ELECTRIC CONTROLS
► Actuators
► Air Flow Switches & Sensors
► Controller-Actuators
► Enclosures
► Freezestats
► Gas Sensors & Smoke Detectors
► Power Supplies
► Pressure Switches
► Pressure Transmitters
► Relays & Contactors
► Sensors
► Switches
► Temperature Controllers
► Temperature Sensors
► Temperature Transmitters
► Thermostats
► Transducers
► Transformers
► Transmitters
► Valves
► VAV Terminal Unit Control Systems
PNEUMATIC CONTROLS
► Air Preparation Products
► Controllers
► Damper Actuators
► Fittings
► Installation Supplies
► Relays
P.O. Box 205
1348 Keezletown Road
Weyers Cave, Va 24486
(540) 234-9000
(540) 234-9061 - fax
dynacon@comcast.net
HDO SERIES
DIAL OVERLAYS
GR-6512 Receiver Gauges
Quantity 1-5 $2.30
HDO-2201 (0-50 psi)
HDO-2204 (0-100 psi)
HDO-2211 (300-3000 fpm)
HDO-2212 (400-4000 fpm)
HDO-2213 (550-5500 fpm)
HDO-2220 (0-0.5" wc)
HDO-2221 (0-1.0" wc)
Quantity 6-Up $2.10