McDonnell & Miller GuardDog RB-24E User manual

INSTRUCTION MANUAL
MM-228M
Model RB-24E
Conductance Type
Low Water Cut-Off
For Residential 24 VAC Hot Water Boilers

1/4"
(6mm)
1/4"
(6mm)
For all Applications:
1. Make sure probe is installed above minimum
safe water line as determined by the boiler
manufacturer.
2. Make sure that ends and sides of the probe
are at least 1/4" (6.4mm) from all internal
metal surfaces. 1/4"
(6mm)

A
1/4"
(6mm)
1/4"
(6mm)
1
E

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: [phone]
Fax: [phone]
www.mcdonnellmiller.com
McDonnell & Miller is a trademark of Xylem Inc. or one of its subsidiaries.
© 2014 Xylem Inc. MM-228M November 2014 Part No. 210318