![V350 blue](http://usdraftco.com/wp-content/plugins/revslider/sr6/assets/assets/dummy.png)
Touchscreen
![cds2 blue ABOUT](http://usdraftco.com/wp-content/plugins/revslider/sr6/assets/assets/dummy.png)
Using a 7-inch color touchscreen, the V350 can interlock with up to 15 appliances and can operate all 3 applications listed below:
![](http://usdraftco.com/wp-content/plugins/revslider/sr6/assets/assets/dummy.png)
ODCS – The OverDraft Control System maintains a constant pressure in the exhaust common manifold or individual chimney/vent via an inline single or multi-blade damper.
PAS – The Pressure Air System maintains a constant pressure in the mechanical room or ducted supply air.
Data Sheets
![V350 blue EXT RANGE](http://usdraftco.com/wp-content/plugins/revslider/sr6/assets/assets/dummy.png)
![V350 control-option](http://usdraftco.com/wp-content/plugins/revslider/sr6/assets/assets/dummy.png)
Control Options
![](https://usdraftco.com/wp-content/uploads/2020/11/4.png)
V150 Constant Pressure Controller
- - Up to 2 Appliances
- - Up to 2 Applications
- - True bi-directional (+/- 1.0" wc)
- - 4-button LCD screen
![](https://usdraftco.com/wp-content/uploads/2020/11/2.png)
V200 Constant Pressure Controller
- - Up to 4 Appliances
- - Up to 2 Applications
- - True bi-directional (+/- 1.0" wc)
- - 4-button LCD screen
![](https://usdraftco.com/wp-content/uploads/2020/11/5.png)
V250 Constant Pressure Controller
- - Up to 6 Appliances
- - Up to 2 Applications
- - True bi-directional (+/- 1.0" wc)
- - 4" Color Touchscreen
![](https://usdraftco.com/wp-content/uploads/2020/11/3.png)
V300 Constant Pressure Controller
- - Up to 4 Appliances
- - Up to 3 Applications
- - True bi-directional (+/- 1.0" wc)
- - 7" Color Touchscreen
![](https://usdraftco.com/wp-content/uploads/2020/11/1.png)
V350 Constant Pressure Controller
- - Up to 15 Appliances
- - Up to 3 Applications
- - True bi-directional (+/- 1.0" wc)
- - 7" Color Touchscreen
![](https://usdraftco.com/wp-content/uploads/2020/11/6.png)
AX42 Constant Speed Controller
- - Up to 4 Appliances
- - Up to 2 Applications
- - Fixed speed
- - On-board potentiometer