Sheet 6841 Page 2
DIMENSIONS in inches (and mm)
11 (280)
6841-7 – Weight 205 lb (93 kg)
7 ¼ (185)
1 (25)
¾ NPT – 2 holes for Pilot and Flame Detector or Observation Port. Holes are 15° on either side of vertical LC.
13 ½ sq. (343)
45°
Recommended 1813-02-D Sensitrol ™ oil valve
2 (50)
2 5⁄8 (67)
6 1⁄16 (154)
¾ NPT Oil inlet
2 ½ NPT Gas inlet
6 (152)
1 ¼ NPT Atomizing air inlet
4 NPT Main air connection
10 (254)
9 5⁄8 (245)
12 ¾ (324) 14 7⁄16 (370)
17 (430)
18 ½ (470)
35 ½ (900)
42 ¼ (1075)
6841-8-B25 – Weight 560 lb (255 kg)
40 3⁄8 (1025)
¾ NPT – 2 holes for Pilot and Flame Detector
36 ¼ (920)
16 ½ (420)
4- 5⁄8 (16) Slots on 18 9⁄16 (470) BC
¾ – NPT Obs. port
5⁄8 (16)
½ – 13 NC Thread
2 (50)
24 dia. (610)
2 5⁄8 (67)
19 ¾ (495)
20°
11 ¼ (285)
Recommended 1813-01 Sensitrol ™ oil valve
½ NPT Compressed air ½ NPT Oil
10 ¾ (275) 14 5⁄8 (370)
4 9⁄16 (115)
6 NPT Main air
2 1⁄16 (52)
3 7⁄8 (99)
5 ½ (140)
8 3⁄8 (213)
2 ½ NPT Gas
Pipe nipple not furnished by Fives North American Combustion, Inc. Optional (recommended) Sensitrol Oil Valve is not included as part of the burner assembly, and must be ordered separately per example below. These dimensions assume the use of a close nipple between burner and Sensitrol Oil Valve. Four hanger rods for suspension in furnace roof. Flame detector must be installed clockwise of pilot as viewed from rear of burner. To Order: Give complete burner designation. Example: 6841-8-B25 (6") Burner Complete 1813-01 ( ½ ") Sensitrol Oil Valve.
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL .
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.
CONTACT fna.sales@fivesgroup.com T +1 800 626 3477 - F +1 216 373 4237
Fives North American Combustion, Inc. 4455 East 71st Street - Cleveland, OH 44105 - USA www.fivesgroup.com
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