Viking Controls, Inc. - Home
 September 28, 2021

Power Supplies
8/14/2004 - Power
All electronic control circuits require power including controllers, sensors and actuated devices. Generally the most common power supplies used today are 24 vac. The standard power supply for these circuits is the energy limited step down transformer i.e. 120 vac/24 vac. They can be panel mounted, hub mounted or plate mounted and are generally limited to 100 VA.

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Viking Controls Recycles
Recycle your old thermostats - it's good for the environment!

Did you know that the mercury in one thermostat could cause serious harm to public health and the environment, especially when discarded in the garbage?

Bring your old mercury thermostats to Viking Controls for proper disposal. For more information about mercury recycling and to find a recycle drop off center in your area, visit

VAV Balancing Sensors

Simple plug in of the NS-ATV7003-0 will make the balancers job a snap.


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