Installation Manual

Zone valve Heat LinkJunction box Thermostat
Satisfied cable optional
Install Heat Link with a
zoned system
If this home has multiple heating
zones, each zone valve will need
its own Nest Thermostat and
HeatLink.
For zoned homes only
First, disconnect the thermostat
cables from the zone valve.
Use a cable to connect the L(live)
and N (neutral) connectors on
the Heat Link to the L and N
connectors on the zone valve.
Connect the common and call-for-
heat cables to the 2 (common) and
3 (call-for-heat) connectors on the
Heat Link. If necessary, connect
the 1 (satisfied) cable from the
zone valve to the Heat Link.
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