Midco E20B Parts List

Replacement Parts

List

Models E20B & E20BP

 First construction September 27, 1993 (Date Code 3393), features a 30VA

Transformer to accommodate higher current draw for newer Honeywell
Combination Valves, Terminal Strip with 4-terminals plus earth ground terminal and
modified wiring. Currently E20B and E20BP Motor Shelf assemblies are inter­changeable with Model DS24A.

 Supersedes Models E20A and E20AP which featured a 20VA Transformer

and Terminal Strip with 5-terminals plus earth ground terminal.

IMPORTANT: Availability of parts as well as specifications are subject

to change without notice. Please consult factory for item availability.

AVOID ERROR IN PARTS SELECTION. When ordering use complete MIDCO
Part Number and Description. Furnish burner model number, bill of material num­ber, serial number or Date Code from rating plate.

297.

8472 56

Printed in USA

Midco International Inc.

4140 West Victoria Street
Chicago, Illinois 60646
tel [phone]
fax [phone]
webw ww.midcointernational.com
e-mail [e-mail]

Quality Designed for Proven Performance

Installation and Service Manual 8470-78

First issue Date Coded 893

8472 56 Exploded View

2

• Refer to listing for proper application

8472 56 Parts List

3

3981-00
5275-70
5734-50
6021-00
6021-90
6213-10
6215-70
6221-08
6221-09
6221-10
6221-11
6221-12
6225-00
6227-90

6228-50
6231-00
6250-00
6252-50
6252-60
6253-50
6256-30
6278-20
6290-00
8419-11

8419-44
8433-03
8433-08

8442-02
2020100
2020400
2020500

4" Dia. Stainless Nozzle Sleeve
Pilot Burner Assembly with (.018) NATURAL Spud less electrode
Transformer 115/1/50-60 Primary, 24V-30VASecondary; (Prod. Ulimited 4000-01M04J232)
Motor Mounting Bracket
3 Rubber Motor Mounts and Clips
Orifice Pipe Elbow and Seal Assembly
Terminal Strip Only
Main Spud-1/8 Drill (.125)-50,000 to 70,000 BTU/hr.-PROPANE
Main Spud-#24 Drill (.152)-50,000 to 70,000 BTU/hr.-NATURAL; 70,000 to 100,000 BTU/hr.-PROPANE
Main Spud-#15 Drill (.180)-70,000 to 100,000 BTU/hr.-NATURAL; 100,000 to 150,000 BTU/hr.-ROPANE
Main Spud-7/32 Drill (.218)-100,000 to 150,000 BTU/hr.-NATURAL; 150,000 to 225,000 BTU/hr.-PROPANE
Main Spud-1" Drill (.272)-150,000 to 225,000 BTU/hr.-NATURAL
Plenum and Tube Assembly
Blower Shelf Kit (includes Motor, Blower Wheel and Housing, Terminal Strip, Motor Relay and 24 volt
Transformer)
Spud Gasket
Blower Wheel
Motor with built in centrifugal switch-120 volt (Fasco 7121-6655)
Spark Electrode Insulator Sleeve
Spark Electrode Kit with Gasket (less insulator sleeve)
Burner Nozzle with Ribbon
Ignition Device Kit
Motor Switching Relay-24 volt (Prod. Unlimited 9400-01Q2232)
Valve Wire
1/2” (single seated) Combination Main Valve with Regulator-24 volt (Robertshaw 7000BER; M-H V800A,
V800M)-Natural gas only
1/2” 4-Function Redundant Main Valve with Regulator (M-H VR8300A2106 Propane gas only)
Pilot Spud (.018)-NATURAL (3218)
Pilot Spud (.012)-PROPANE (4212)
Thermocouple -30" (Baso K15FA, K15DA; M-H Q309)
4" Dia. Mounting Flange
4" Long Accesory Blast Tube Extension
8" Long Accesory Blast Tube Extension

Midco International Inc. 4140 West Victoria Street * Chicago, Illinois 60646 297.
tel [phone] * fax [phone] * web www.midcointernational.com email [e-mail] 8472 56

Printed in USA

4