Flame supervision

detector location

¾  

" pipe plugs (2)

Observation port

or Pilot

Tile retaining

rods

6421-4, -5, -6

Swing bolt

with knob  (4)

Main air fl ange gasket

Main

air fl ange

6421-7-A,

-7-B, -8-A

Tile retaining

rods

Observation port

or Pilot

Flame supervision

detector location

¾  

" pipe plugs (2)

Main air fl ange

Main air fl ange gasket

Cap screws (6)

  

 

 

       

 Burner designation

 

Part name 

6421-4 

6421-5 

6421-6 

6421-7-A 

6421-7-B 

6421-8-A

Backplate 

 

3-4765-3  3-4765-3 3-4765-3 3-4826-2 3-4826-2 3-4826-2

Backplate 

Fastener 

 – 

 – 

 – 

4-13701-1 

4-13701-1 

4-13701-1

Backplate Fastener Adapter 

 

– 

 

– 

 

– 

4-13698-1 

4-13698-1 

4-13698-1

Body 

 

3-4764-5  3-4764-6 3-4764-6 3-4822-1  3-4822-1  3-4822-1

Knob (4 reqd.) 

3-6827-1 

3-6827-1 

3-6827-1 

 

– 

 

– 

 

Main Air Flange 

4-1695-2 

4-1695-3 

4-1695-9 

8765 -7-D 8765-7-D 8765-8 

 7-D

Main Air Flange Gasket 

4-5371-2 

4-5371-2 

4-5371-2 

4-5371-3 

4-5371-3 

4-5371-3

Observation 

Port 

8790-0  8790-0 8790-0 8790-0 8790-0  8790-0

Swing Bolt (4 reqd.) 

3-6492-2 

3-6492-2 

3-6492-2 

 

– 

 

– 

 

Tile Retaining Rods 

3-1115-2 

3-1115-2 

3-1115-2 

3-1115-2 

3-1115-2 

3-1115-2

 (4 reqd.)

Backplate fastener

Backplate fastener adapter

Body

Backplate

Section A-A

A

A

Parts List 6421-2

Page 2

Observation port

or Pilot

Observation port

or Pilot

Cop

yr

igh

t © 2020 - F

iv

es - All r

igh

ts r

eser

ved | 6421-2_pl 08/07

WARNING: 

Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot 

surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot 
surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.

Fives North American Combustion, Inc. 

4455 East 71st Street - Cleveland, OH 44105 - USA

www.fi vesgroup.com

CONTACT

fna.sales@fi vesgroup.com
T +1 800 626 3477 - F +1 216 373 4237

Catalog Combustion 2021 - Page 0723

Fives Group
FIVES GROUP
FIVES GROUP-FIVES GROUP-0723-0727

Request Quote

Please provide additional information
Company: *
Name: *
Email: *
Telephone:
Product:
Message:


Privacy Policy and Terms of Service apply.

Fives Group Part Numbers on this Catalog Page
Line Part Number Manufacturer Request Quote
1 4-5371-2 Fives Group Request Quote
2 3-4765-3 Fives Group Request Quote
3 4-1695-9 Fives Group Request Quote
4 4-1695-3 Fives Group Request Quote
5 3-1115-2 Fives Group Request Quote
6 3-4826-2 Fives Group Request Quote
7 4-5371-3 Fives Group Request Quote
8 4-1695-2 Fives Group Request Quote
9 4-13701-1 Fives Group Request Quote
10 3-4764-6 Fives Group Request Quote
11 3-4822-1 Fives Group Request Quote
12 3-6492-2 Fives Group Request Quote
13 4-13698-1 Fives Group Request Quote
14 3-6827-1 Fives Group Request Quote
15 3-4764-5 Fives Group Request Quote