INSTRUCTION MANUAL
MM-303G
Series WF2 Uni-Match
®
Electric Water Feeder
• Before using this product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application, instal-
lation, and maintenance of plumbing, steam, and electrical equipment and/or systems in
accordance with all applicable codes and ordinances.
• To prevent electrical shock, turn off the electrical power before making electrical connections.
• Boiler manufacturer schematics should always be followed. In the event that the boiler
manufacturer’s schematic does not exist, or is not available from the boiler manufacturer,
refer to the schematics provided in this document.
• To prevent water damage check to make sure there is adequate floor drainage capacity.
Check all components in the system to insure that they will not leak in the event of an
overfeed condition.
• After installation, check for proper operation of all of the limit and operating controls,
before leaving the site.
Failure to follow this warning could cause property damage, personal injury or death.
WARNING
CAUTION
WARNING
FEED
INDICATOR
MANUAL
FEED
UNIV
ERSA
L WA
TERF
EEDE
R
U
NI-
M
ATCH
McD
onn
ell &
Mill
er
Chic
ago
, IL U
.S.A
.
Uni-Match
Applications:
For use on boilers with mechanical (float type) or
electronic (probe type) LWCO's.
The Uni-Match
®
water feeder is available in either 24 or
120 volt and all models feature a manual feed button.
Field selectable dwell/feed cycles allow condensate to
return to the boiler before feeding, lessening the chance
the boiler will be overfed or flood.
