The 8351 Furnace Pressure Controller, in conjunction with a 
dp transmitter, provides stable furnace pressure and manual/
automatic station functions.

8351-C relay outputs are used to drive interposing relays which 
can interface with a variety of output actuators such as electro-
hydraulic valves, solenoid valves, or bi-directional motors. 
A second 4-20 mA PID output is also included to position a 
4-20mA control motor or linear actuator.

Furnace pressure control is generally used to maintain a 
slightly positive pressure, providing:

 improved product quality

 maintenance savings by preventing excessive fl uing  

 

    through cracks and doors and also reduces "stingers"

 elimination of cold air infi ltration, preventing load cold    

    spots

 prevention of furnace atmosphere contamination

The 8351-C-C-2013 input is fully confi gurable to match any input 
scaling requirements.

Operating Temperature Range:

 0 to 149°F (–18 to 65°C).

Power Requirements:

 120 V ac 50-60 Hz (102-132 V ac) at 15 VA 

exclusive of connected load.

Output Load Limits:

 1.2 amps maximum at 120 V ac; 50 mA 

minimum.

Size:

 

1⁄8

" DIN horizontal, 2.10" H × 3.95" W × 4.00" D.

Panel Cutout:

 1

25⁄32

" × 3

5⁄8

" (

1⁄8

 

DIN)

Weight:

 .32 lb.

Protection Class:

 NEMA 4X

SPECIFICATIONS

Product Overview | 8351 Furnace Pressure Controller

•  An optional 24 V dc power supply is available

NOTE: When replacing an EPIC II controller, an external      
24 V dc power supply is required.

Bulletin 8351C-2013

Page 2

To Order, choose from one of the following part numbers:
R860-4533

 This 

specifi es the controller only.

8351-C-2013

 This 

specifi es the controller and mounting  

 

adapter plate for replacing the old style  

 8351C.

8351-C-2013-PS

 This 

specifi es the controller, mounting    

 

adapter plate for replacing the old style  

 

8351C and a 24 V dc power supply.

DIMENSIONS inches

8½  

9

3½  

3

Catalog Combustion 2021 - Page 0946

Fives Group
FIVES GROUP
FIVES GROUP-FIVES GROUP-0946-0941

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Fives Group Part Numbers on this Catalog Page
Line Part Number Manufacturer Request Quote
1 8351-2013 Fives Group Request Quote
2 860-4533 Fives Group Request Quote