
Economite RE 4000 Series
Power Gas Burners
Midco’s Economite Family of Burners
Backed by 60 Years of Experience
132,000 to 400,000 Btu/Hr
RE 4400DS
Direct Spark Ignition
24 Volt Control and Gas Train
12.00"
12.75"
6.75"8.44"
15.19"
RAD.
6.00"
RE 4400DS
15.75
60°
45°
1"
RAD.
4
8
7"
16
1"
8
4
4″ Flange for RE 4000 Series
Models - RE 4400DS
RE 4700BA
RE 4850A
RE 4850BA
4" DIA.
SLOT
WIDTH
4.00"
1.5"
9 .00"
20.50"
7"
8
3
7"
8
5"
8
3"
2
4
RAD.
4"
3"
3
RAD.
8
1"
1
4
4.00" 6.75"
1.5"
9.00"
21.25"
RE 4700BA
15.75
When You Need to
T urn On the Heat
Choose Midco
230,000 to 700,000 Btu/Hr
RE 4700BA
Intermittent Spark Ignited Pilot
24 Volt Control and Gas Train

Assembled, Factory Fir ed Tested
And Ready for Installation
12.00"
12.75
4.00" 6.5"
1.5"
15.75"
9 .00"
21.00"
Flexible, Compact Design
4.12" 9.5"
RE 4850BA
23.56"
30.31"
280,000 to 850,000 Btu/Hr
6.75"
RE 4850BA
Intermittent Spark Ignited Pilot
24 Volt Control and Gas Train
1.5"
7.66"
22.78"
280,000 to 850,000 Btu/Hr
RE 4850A
Intermittent Spark Ignited Pilot
120 Volt Control and Gas Train
Whether you purchase a standard unit or have us create one to fi t your application,
you can be assured of having purchased the fi nest power gas burner in the industry.
15.85
RE 4850A
23.16"
38.90"
Quality Designed for Proven Performance
12.00"
15.70"
9.00"
"
12.75"

Economite RE 6000 Series
Power Gas Burners
6.75 "8.50"6.50"
1.5"
21.50"
16.25"
275,000 to 700,000 Btu/Hr
RE 6700B
Intermittent Spark Ignited Pilot
24 Volt Control and Gas Train
8.50"6.50"
7.50"
RE 6700B
25.64"
RE 6850
14.25"
2
5
1
3
BI
12.75"
6″ Flange for RE 6000 Series
Models RE 6700B
10.30"15.33"
RE 6850
RE 6850B
6"
6.5"
10.0"
4.2"
1.25"
14.25"
30°
60°
.5"
.8"
Dependable
Performance
1.5"
1.50"
22.50"
22.50"
I
B
3
1
5
16.25"
26.25 "
7.50"8.50"6.50"
36.50"
2
Honeywell
S
10.25"
14.25"
12.75"
BURNER CONTROL
RE 6850B
16.25"
26.25"
36.50"
1
3
I
B
10.25"
12.75"
2
5
RE 6850 - 275,000 to 825,000 Btu/Hr
RE 6850B - 275,000 to 825,000 Btu/Hr
RE 6850 & RE 6850B
Intermittent Spark Ignited Pilot
Control and Gas Train: RE6850 - 120 Volt RE6850B - 24Volt

Economite® RE Series
Power Gas Burners
The Economite RE Series retention head shapes the fl ame into a compact fl ame
pattern. This design concentrates heat to the most effi cient heat exchange surfaces
Features & Benefi ts
The RE Series Technology Provides . . .
. . . a uniform heat throughout the length
of the heat exchanger creating consistent
heat distribution characteristics
. . . increased combustion effi ciency by
reducing the volume of oxygen used for
the combustion process
. . . operation under variable draft or positive
pressure conditions
The RE Series Has . . .
. . . sheet metal construction allowing high volume production
resulting in competitive pricing and shorter lead-times
. . . a simple removable burner cartridge for easy service
. . . an optional welded fl ange assembly is available to
accommodate OEM specifi cations
. . . an external air shutter for easy adjustment
. . . full burner capacity fi ring up to 1/2″ W.C. positive
combustion chamber pressure
. . . a universal adjustable mounting fl ange making
installation fast and easy
The RE Series Is . . .
. . . pre-piped, pre-wired and factory fi re tested
. . . available with UL / FM / GAP valve trains and controls
. . . customizable in confi gurations to meet your needs
efi ts
. .
th
sistent
d for
sitive
The RE Series is engineered to serve a wide
variety of applications or can be customized to
accommodate the OEM’s specifi c requirements.
Agricultural Processing
Baking Ovens
RE4400DS
Boilers
Coffee Roasting Equipment
Furnaces
Food Service Equipment
Pressure Washers
Contact Midco for gas burner application assistance
RE Series
132,000 Btu/hr
to 850,000 Btu/hr
Applications
Incinerators
Micro Brewing
Crop Drying
Process Ovens
Space Heating
Spray Booths
Water Heaters
RE4850BA
Speci cations
Model Minimum Maximum Gas Gas Pressure
Number Firing Firing Connection Required Natural of Nozzle HP Certi cation or Safety Weight
Rating * Rating * Pipe Size or Propane Nozzle Insertion Depth Listed by Voltage
RE4400DS 132,000* 400,000* ¾″ NPT 7.0″ to 14.0″ W.C. 4.0″ 8.0″ 1/6
RE4700BA 230,000* 700,000* 1″ NPT 7.0″ to 14.0″ W.C. 4.0″ 8.0″ 1/6
RE4850BA 280,000* 850,000* 1″ NPT 7.0″ to 14.0″ W.C. 4.0″ 8.0″ 1/6
RE4850A 280,000* 850,000* 1″ NPT 7.0″ to 14.0″ W.C. 4.0″ 8.0″ 1/6
RE6700B 275,000* 700,000* 1″ NPT 6.0″ to 14.0″ W.C. 6.0″ 6.0″ 1/7
RE6850B 275,000* 825,000* 1″ NPT 6.0″ to 14.0″ W.C. 6.0″ 6.0″ 1/7
RE6850 275,000* 825,000* 1″ NPT 6.0″ to 14.0″ W.C. 6.0″ 6.0″ 1/7
* Btu/Hr
- Electrical Supply 115 / 1 / 60
as standard
- Available in Natural and LP
- LP requires a conversion kit
Gas Burner Draft Motors
1
115 / 1 / 60
230 / 1 / 60
1 & 2
Contact Midco for 50 Hz Applications (non-UL Listed)
3
For Lower Gas Inlet Capacities Contact Midco
1
3
Diameter Maximum Motor Design Primary Shipping
1
U.L./C.U.L Listed 24V 40 lb
1
U.L./C.U.L Listed 24V 47 lb
1
U.L./C.U.L Listed 24V 55 lb
1
U.L./C.U.L Listed 120V 59 lb
2
U.L./C.U.L Listed 24V 47 lb
2
U.L./C.U.L Listed 24V 50 lb
2
U.L./C.U.L Listed 120V 50 lb
Gas Burner Draft Motors
115 / 1 / 60
2
The RE Series is available as an assembled power
burner with control system. For further information
please contact sales@midcointernational.com

Quality Designed for Proven Performance
Midco® International Inc. - 4140 West Victoria Street - Chicago, Illinois 60646 - toll free: 866 705 0514
tel: 773.604.8700 - fax: 773.604.4070 - web: www.midcointernational.com - e-mail: sales@midcointernational.com
711
8474 79
Printed in USA