Specifications & replacement parts
Operating Ambient Temperature
Thermostat: 32 to 120° F (0 to 48.9° C)
Remote control: 32 to 120° F (0 to 48.9° C)
Outdoor air sensor: -40 to 140° F (-40 to 60° C)
Operating Relative Humidity
Thermostat: 5% to 90% (non-condensing)
Remote control: 5% to 90% (non-condensing)
Outdoor air sensor: 0% to 100% (condensing)
Physical Dimensions (height, width, depth)
Thermostat: 3-9/16 x 5-13/16 x 1-1/2 inches (91 x 147 x 38 mm)
Outdoor air sensor: 5 x 3-1/2 x 1-11/16 inches (127 x 89 x 43 mm)
Electrical Ratings
Terminal
W (heating)
Y (cooling)
G (fan)
O/B (changeover)
W2 (heating)
Y2 (cooling)
Aux/E (Auxiliary)
L (Output)
K
U1
U1
U2
U2
Accessories & Replacement Parts
Item
Wireless adapter
Remote control
Outdoor air sensor
Cover plate (covers marks left by old thermostats)
Wire saving module
Voltage (50/60 Hz)
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
N/A
30 VAC max.
30 VAC max.
30 VAC max.
30 VAC max.
15
Max. Current Rating
1.00A
1.00A
0.60A
0.60A
0.60A
0.60A
1.00A
0.60A
N/A
0.50A
0.50A
0.50A
0.50A
Part Number
THM4000R1000
REM5000R1001
C7089R1013
50028399-001
THP9045A1023
69-2057EFS—03