Midco DS45 Parts List

Replacement Parts

Supersedes Model DS44 which featured either Fenwal or Honeywell

Control Boards. The Model Number DS45 was assigned to alleviate

1987. These burners were identical to current production except that

feature was discontinued in favor of the more conventional

When ordering use complete

MIDCO Part Number and Description. Furnish burner model number, bill

List

Economite Model DS45

Discontinued Installation and Service Manual 8470-17
(Refer to historical data below)

Current Installation and Service Manual 8470-22

Midco International Inc.

4140 West Victoria Street
Chicago, Illinois 60646
tel [phone]
fax [phone]
web www.midco-intl.com
e-mail [e-mail]

First construction started June 1, 1987 (date code 2387).
Features a Honeywell DSI Electronic Control Board.

possible confusion in replacing Control Boards on Model DS44.
Model DS45 is constructed identical to the Model DS44 with
Honeywell Control Board.

A limited run of burners (approximately 100) were made early in
the Installation Manual and PROPANE Conversion Kit featured

Lo-Pressure conversion. Burners were built under Bills of Materials
4120200, 4120210 and 4120211. This Lo-Pressure PROPANE

Hi-Pressure PROPANE conversion. For this limited production
series, request the discontinued Installation and Service Manual
listed above.

Items listed are available replacement parts for this current ECONOMITE
model. Unlisted parts are not available.

AVOID ERROR IN PARTS SELECTION.

of material number and date code (if available) from rating plate.

Quality Designed for Proven Performance

Printed in USA

700

8472 08

8472 08 Exploded View

** Refer to listing for proper application

2

8472 08 Parts List

PART NO. DESCRIPTION
3981-00 4" Dia. Stainless Nozzle Sleeve

4912-10 Motor Conduit with hardware
4914-50 External Air Shutter
4916-00 Motor Mounting Ring less

Rubber Mounts and Nuts
4917-00 Main Orifice Holder
4918-01 Orifice Elbow (3/4" NPT)
4919-00 Blower Wheel complete with

Centrifugal Actuator and Disc
4919-90 Centrifugal Actuator Disc
4924-10 Inlet Side Plate
4944-01 Main Spud 11/32 Drill (.343)

minimum capacity - NATURAL
4944-02 Main Spud - 25/64 Drill (.390)

maximum capacity - NATURAL
4944-03 Main Spud #21 Drill (.159) mini

mum capacity - PROPANE -

Drill for desired capacity per

manual
4944-10 Main Spud Extension(s)
5211-20 Motor Wheel, Side Plate and

Cage Assembly - 120/1/60
5216-50 Motor less Mounting Ring and

Rubber Mounts 120/1/60

(Universal Electric JB2P048N#;

Fasco 7163-7511)
5225-36 Blower Housing and Blast Tube

Assembly
5269-00 Blower Interlock Switch with

Bracket
5278-00 3 Rubber Mounts and Nuts
5289-00 Electrode Mounting Bracket
5289-70 Electrode Mounting Bracket

Gasket
5299-40

3

Combination Valve Replacement

Kit
5734-50 Transformer 115/1/50-60 Primary,

24V-30VA Secondary (Prod.

Unlimited 4000-01M07J232,

4000-01M07K232; Basler

BE121630GDD, BE121630GAA)

PART NO. DESCRIPTION
6206-50 Terminal Strip only

6262-00 Electrode Assembly (order

Mounting Bracket and Gasket
separately)

6266-50 Hi-Voltage Cable (order Silicone

Boot for Spark Electrode
separately)

8406-58 Motor Switching Relay - 24 volt

(Prod. Unlimited 9400-01Q2232)

8408-76 3-Amp type 3AG Glass Fuse -

1/4" Dia. x 11/4" LG

8408-39 Silicone Boot - may be used on

Flame Sensor or Spark Electrode

8418-06*,1PROPANE Regulator Head Kit

for Honeywell VR8450 Valve
Series (11.0" W.C.)

8419-49 PROPANE Regulator Head Kit

for Honeywell VR8305 Valve
Series (11.0" W.C.)

8423-16 Blower Interlock Switch (Micro

BZ2RQ174-A2)

8429-03

2

DSI Electronic Control (M-H

S87D1087)
8450-21 Orifice Holder Sealing Gasket
8470-17*,1Installation and Service Manual

(Discontinued - see page 1)
8470-22* Installation and Service Manual
8574-01 Sensor Wire (order Silicone Boot

for Flame Sensor separately)
2020100* 4" Dia. Mounting Flange
2020400* 4" Long Accessory Blast Tube

Extension
2020500* 8" Long Accessory Blast Tube

Extension

* NOT ILLUSTRATED

NOTES

1. Refer to Historical Information on page 1.

2. WARNING: EXPLOSION HAZARD. CAN CAUSE SERIOUS INJURY OR DEATH. AN ELECTRONIC

DEVICE CAN MALFUNCTION IF IT GETS WET. NEVER TRY TO USE A DEVICE THAT HAS BEEN
WET - REPLACE IT.

3. Honeywell discontinued production of VR8450 valves. This kit includes a combination gas valve, wire
harness to retrofit existing burners.

3

Midco International Inc.

4

tel [phone] * fax [phone] * web www.midco-intl.com

4140 West Victoria Street * Chicago, Illinois 60646 700

8472 08

Printed in USA