Field Controls 46311800, Manual

2630 Airport Road · Kinston, NC 28504 

Phone: 252-522-3031· Fax: 252-522-0214 

www.fieldcontrols.com

POWER VENTER SYSTEM  

Model: PVO-300, PVO-600 

Included is one ETL and cETL listed Power Venter to be used primarily with a 
single 120VAC controlled oil fired furnace, boiler, or water heater.  The PVO 
may be used to common vent multiple appliances with the addition of a Control 
Kit.  Please consult Field Control’s Technical Support for other options. 

TYPICAL VENTING SYSTEM COMPONENTS 

One PVO Series Power Venter with pre-wired controls; adjustable post 
purge relay timer, adjustable draft proving switch, direct access terminal 
blocks, and piping tee for multiple appliance systems. 

• Side Wall Vent Hood (Not included) 

• Spill Switches (Not included) 

• CK-Series Control Kit for multiple appliance venting (Not Included) 

C

ONTENTS

P

AGE

Unit Specifications 

2 

System Operation 

2 

Power Venter Sizing 

3 

Installation Safety Instructions 

4 

Installation of Power Venter 

5 

General Wiring Instructions 

5-6 

Airflow Adjustments 

7 

Pressure Switch Adjustments 

7 

Post Purge Timer Adjustments 

7 

Multiple Appliance Systems 

7 

General Installation Inspection 

8 

Maintenance 8 
Replacement Parts List 

9 

Venting System Operational Information 

10 

Installation Information 

10

This device MUST be installed by a qualified agency in accordance with the manufacturers installation 
instructions.

The definition of a qualified agency is: 

any individual, firm, corporation or company which either in person or through a representative is 

engaged in, and is responsible for, the installation and operation of gas appliances, who is experienced in such work, familiar with all 
the precautions required, and has complied with the requirements of the authority having jurisdiction.

DO NOT DESTROY 

THESE INSTRUCTIONS MUST REMAIN WITH EQUIPMENT