Prepare For Installation - Honeywell T8131A Owner's Manual

Prepare for Installation

Check Table 1 to make sure this thermostat is compatible with your system. For more
information, call Honeywell Customer Assistance, toll-free 1-800-468-1502.
Gas—Standing Pilot
Gas—Electronic Ignition
Gas-Fired Boilers
Gas—Millivolt
Oil-Fired Boilers
Oil-Fired Furnace
Electric Furnace
Electric Air Conditioning
Baseboard Electric (120/240 Line Volt)
Heat Pumps/Multistage Equipment
NOTE: Not compatible with any 120/240 volt circuit.
a
Compatible with 2-wire Honeywell zone valves. Isolating relay required for 3-wire thermostats for zone valves.
Not compatible with 2-wire White-Rodgers no. 1361 Valves.
b
Compatible with hot water baseboard systems. Will not work efficiently on steam or gravity systems.
Table 1. Compatibility Chart.
System Type Compatible With T8131
5
Yes
Yes
a,b
Yes
No
a,b
Yes
Yes
Yes
Yes
No
No
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