Name: Source 1 S1-THSU303-S
Brand: Source 1
Rating: 4 (1 reviews)

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Follow the Installation Instructions before proceeding. Set the

thermostat mode to “OFF” prior to changing settings in setup

or restoring Factory Defaults.

CAUTIO

This Source 1 thermostat has the ability to receive updates to its ﬁrmware.

Periodically ﬁrmware updates are released by the manufacturer to add features

and/or performance enhancements. This manual was produced reﬂecting the

most current ﬁrmware/feature set at the time of publication, ﬁrmware rev. 12.

Firmware releases after rev. 12 may not be adequately depicted in this manual.

Please refer to the appropriate website or contact your place of purchase to learn

about changes to the thermostat after ﬁrmware release 12.

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Source 1 S1-THSU303-S Specifications

General