Brochure

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: [phone]
Fax: [phone]
www.xyleminc.com/brands/mcdonnellmiller
McDonnell & Miller is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem, Inc. MPF-004 June 2012
RB-122E Ordering Information
Model Number
Part
Number
Description
RB-122-E 144676 Low water cut-off
RB-24E Wire Harnesses make
installation easier than ever before.
In addition to our standard RB-24E with a universal wiring
harness, McDonnell & Miller offers three other models that are
designed for “plug & play” installation with most gas boilers.
The -A, -S and -L models install quickly and easily without
modification to the boiler OEM wiring.
Model Number
Part
Number
Description
RB-24E 144692 Residential LWCO
RB-24E-A 144694 Residential LWCOw/vent damper harness
RB-24E-S 144693 Residential LWCO w/control board harness
RB-24E-L 144690 Residential LWCO w/burner control harness
UWH-RB-24A 144681 Replacement cable for RB-24E-A
UWH-RB-24S 144682 Replacement cable for RB-24E-S
UWH-RB-24L 144691 Replacement cable for RB-24E-L
RB-24E Ordering Information
Wiring Diagrams
RB-24E-A
4-Pin Damper ‘Y’ Harness
RB-24E-S
Transformer ‘Y’ Harness
RB-24E-L
Boiler Control Panel ‘ L’ Harness