User Guide

Page 7 of 8
CLEANING, MAINTENANCE, AND REPLACEMENT
Test the operation of the LWCO annually (or more frequently) by activating the Test feature. The “Low Water” LED •
should turn RED and the boiler should shut down.
Inspect the probe every 5 years for scale build-up or coating. Clean all oils, fl uxes, and scale from the probe using a •
clean rag.
Replace the control unit every 15 years. In areas of high humidity, heavy dust, or other airborne contaminants, it may •
be necessary to replace the control unit more frequently.
ORDERING INFORMATION
Part Number Description
102711-01 LWCO Limit Control IQ Option Card kit, Hot Water LF Module, Automatic Reset, for use with Option
Control Panel, With Probe, ¾ inch NPT, Instructions, Unit Pack
102714-01 LWCO Limit Control IQ Option Card kit, Hot Water LF Module, Manual Reset, for use with Option
Control Panel, With Probe, ¾ inch NPT, Instructions, Unit Pack
102301-01 LWCO Limit Control IQ Option Card, Hot Water LF Module, Automatic Reset, for use with Option Con-
trol Panel, Less Probe, Unit Pack
102302-01 LWCO Limit Control IQ Option Card, Hot Water LF Module, Manual Reset, for use with Option Control
Panel, Less Probe, Unit Pack
102305-01 LWCO Probe, ¾ inch NPT
Inspect the probe sooner if the “Service” LED comes on.