HVAC CONTROLS
Line Voltage Thermostats
Line Voltage Thermostats
■ Mount to standard 2 x 4" vertical box
For use with fan coils, fans, contactors, circulator motors, motor starters, and valves. All units UL Listed except No. 4NE56. All are CSA Certified except Nos. 4NE56 and 2E503.
Note: For amp ratings, see www.grainger.com.
No. 1TKF9
No. 2E158
No. 1UHG9
HEAT ONLY
No. 2E477 has locking case to prevent tampering. No. 4PU48 has positive Off position.
COOL ONLY
Single line break type thermostat is for cooling only. UL Listed.
HEATING/COOLING
No. 2E517 includes removable locking cover. No. 4NE56 features a 44°F frost protection setting. Nos. 2E734 and 3TZ43 feature two dial stops for locking dial setting. No. 2E503 is UL and C-UL Listed.
HEATING/COOLING FAN COIL
Provide control of one or two line voltage valves. 3-speed fan control. No. 2E858 features automatic changeover heating to cooling; No. 1N172 features manual changeover heating to cooling.
THERMOSTAT AND HUMIDISTAT/DEHUMIDISTAT
Features sensor Type NTC thermistor for temperature, and resistive sensor for humidity. LCD display. Includes screws and mounting plate. Adjustment range 30 to 90% with a +/- 2% differential.
Switch |
Control |
Diff. |
Pilot |
Dimensions (In.) |
Brand |
Mfr. |
Item |
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$ |
Shpg. |
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Type |
Range (°F) |
(°F) |
Duty (VA) |
H |
W |
D |
Model |
No. |
|
Each |
Wt. |
|
Heat Only Thermostats |
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4PU48 |
|
16.64 |
|
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DPST |
50 to 90 |
3 |
— |
43⁄4 |
23⁄4 |
23⁄4 |
Dayton |
— |
|
0.8 |
||
SPST |
50 to 90 |
0 |
125 |
5 |
31⁄4 |
23⁄4 |
Invensys |
801 |
1TKF9 |
|
11.09 |
0.6 |
SPST |
55 to 85 |
2 |
— |
6 |
23⁄4 |
21⁄2 |
White-Rodgers |
152-9 |
2E369 |
|
106.20 |
1.8 |
SPST |
55 to 95 |
2 |
— |
6 |
23⁄4 |
21⁄2 |
White-Rodgers |
152-10 |
2E477 |
|
125.15 |
1.8 |
Cool Only Thermostat |
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|
|
|
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SPST |
50 to 90 |
0 |
125 |
5 |
31⁄4 |
23⁄4 |
Invensys |
803 |
1TKG1 |
|
16.65 |
0.6 |
Heating/Cooling Thermostats |
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|
2E158 |
|
16.77 |
|
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SPDT |
50 to 90 |
2h/4c |
— |
43⁄4 |
23⁄4 |
23⁄4 |
Columbus Electric |
ETD-5S-6S |
|
0.5 |
||
SPDT |
0 to 120 |
1 |
125 |
5 |
31⁄8 |
15⁄8 |
Honeywell |
T6051A1016 |
2E517 |
|
94.75 |
1.0 |
SPDT |
44 to 86 |
2 |
125 |
41⁄2 |
215⁄16 |
11⁄2 |
Honeywell |
T651A3018 |
4NE56 |
|
59.65 |
0.5 |
SPDT |
40 to 90 |
3h/3.5c |
— |
411⁄16 |
3 |
27⁄8 |
Johnson Controls |
T26T3E |
2E503 |
|
87.70 |
0.9 |
SPDT |
55 to 90 |
1.5 |
125 |
51⁄8 |
27⁄8 |
21⁄8 |
White-Rodgers |
1A10-651 |
2E734 |
|
58.95 |
0.7 |
SPDT |
36 to 90 |
1.5 |
125 |
51⁄8 |
27⁄8 |
21⁄8 |
White-Rodgers |
1A16-51 |
3TZ43 |
|
86.00 |
0.7 |
SPDT |
55 to 95 |
3 |
— |
6 |
23⁄4 |
21⁄2 |
White-Rodgers |
179-1 |
2E997 |
|
117.75 |
1.8 |
Heating/Cooling Fan Coil Thermostats |
|
|
|
|
|
1UHE3 |
|
26.50 |
|
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(2) SPST |
40 to 90 |
+/- 2 |
— |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
|
0.3 |
||
(2) SPST |
40 to 90 |
+/- 2 |
— |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
1UHE4 |
|
26.50 |
0.3 |
SPST |
50 to 90 |
+/-1.36 |
100 |
311⁄16 |
43⁄16 |
17⁄16 |
Honeywell |
T6575C1001 |
1RZY7 |
|
81.30 |
0.7 |
SPDT |
55 to 95 |
— |
— |
45⁄8 |
415⁄16 |
15⁄16 |
Honeywell |
T4039M1004 |
2E858 |
|
115.00 |
0.7 |
SPDT |
36 to 90 |
1.5 |
— |
41⁄2 |
41⁄2 |
21⁄4 |
White-Rodgers |
1A11-2 |
1N172 |
|
91.50 |
1.1 |
Thermostat and Humidistat/Dehumidistat |
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(2) SPST |
41 to 95 |
+/-1 |
— |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
1UHG9 |
|
53.25 |
0.3 |
Subbase |
|
|
|
|
|
|
|
|
2E735 |
|
34.75 |
|
Heating-Cooling Subbase for use with Nos. 2E734 and 3TZ43 |
White-Rodgers |
S29-21 |
|
0.4 |
Electric Heat Line Voltage Thermostats
■ Mount to standard 2 x 4" vertical box
For precise control of resistive-rated electric heating equipment. All units are UL Listed; Nos. 6WY23 and 6WY24 are C-UL Listed. All are CSA Certified.
NO. 4CZ52
Controls both fan-forced and baseboard electric heaters. Thermoplastic mounting base and two 6" copper lead wires.
NO. 4CZ53
Patented CoolSwitch™ technology reduces wear on contacts and provides longer thermostat life. 5 to 7 cycles per hour. Includes two 6" copper lead wires.
NO. 6WY24
Features 7-day programming with easy, pushbutton adjustment. Large LCD shows time, day, and actual temperature. 3 preset temperature buttons: normal, economy, and vacation or extended absence. Features early-start switch, On/Off switch, and backlight button.
NOS. 2E831 AND 2E832
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NO. 6WY23 |
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Bimetal sensor element and long-lasting Micro |
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Shows actual temperature on large LCD. Heating |
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Switch™ mechanism. Thermostats include ther- |
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No. 4PU49 |
No. 6WY24 |
indicator confirms at a glance that the heat is |
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mometer and locking cover. No. 2E832 has |
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on. Backlight button and On/Off switch. |
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Positive Off position. |
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Thermostat |
Switch |
Sensor |
Resistive |
Control |
Differential |
|
Dimensions (In.) |
|
Mfr. |
Item |
|
$ |
Shpg. |
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Contact Ratings |
Range |
Color |
Brand |
|
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Type |
Type |
Type |
120V (A) |
240V (A) |
(°F) |
(Deg. F) |
H |
W |
D |
Model |
No. |
|
Each |
Wt. |
||
Bimetal Operated |
SPST |
Bimetal |
22 |
22 |
50 to 90 |
3 |
White |
43⁄4 |
23⁄4 |
23⁄4 |
Dayton |
— |
4PU49 |
|
20.01 |
0.7 |
5+1+1 Programmable |
SPST |
NTC Thermistor |
15 |
— |
41 to 95 |
+/- 1 |
White |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
1UHG4 |
|
45.00 |
0.3 |
Electronic |
SPST |
NTC Thermistor |
15 |
— |
41 to 95 |
+/- 1 |
White |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
1UHG1 |
|
62.50 |
0.3 |
Electronic |
SPST |
NTC Thermistor |
15 |
— |
50 to 90 |
+/- 2 |
White |
41⁄4 |
35⁄8 |
11⁄4 |
Dayton |
— |
1UHE8 |
|
22.50 |
0.3 |
Analog |
SPST |
Vapor-filled dual- |
22 |
22 |
50 to 80 |
+/- 2 |
White |
41⁄2 |
27⁄8 |
25⁄8 |
Honeywell |
T4398A1021 |
4CZ52 |
|
23.51 |
0.6 |
|
|
diaphragm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Analog |
SPST |
Thermistor |
— |
16 |
50 to 80 |
+/- 1 |
White |
43⁄4 |
31⁄8 |
25⁄8 |
Honeywell |
T4800A1015 |
4CZ53 |
|
59.85 |
0.7 |
Digital Nonprogrammable |
DPST |
Thermistor |
— |
15 |
40 to 86 |
+/- 1 |
White |
47⁄8 |
23⁄4 |
7/8 |
Honeywell |
TL7235A1003 |
6WY23 |
|
54.55 |
0.8 |
Digital Programmable |
DPST |
Thermistor |
— |
15 |
40 to 86 |
+/- 1 |
White |
47⁄8 |
23⁄4 |
7/8 |
Honeywell |
TL8230A1003 |
6WY24 |
|
59.80 |
0.8 |
Electric Heat, Slide Action |
SPST |
Bimetal |
22 |
22 |
40 to 80 |
+/- 3 |
Beige |
417⁄32 |
229⁄32 |
115⁄16 |
Honeywell |
T498A1778 |
2E831 |
|
30.55 |
0.5 |
Electric Heat, Slide Action |
DPST |
Bimetal |
22 |
22 |
40 to 85 |
+/- 3 |
Brushed |
417⁄32 |
229⁄32 |
115⁄16 |
Honeywell |
T498B1512 |
2E832 |
|
36.65 |
0.5 |
|
|
|
|
|
|
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Gold |
|
|
|
|
|
|
|
|
|
Electric Heat, Slide Action |
SPST |
Bimetal |
22 |
22 |
40 to 85 |
+/- 1 |
Beige |
41⁄2 |
23⁄4 |
11⁄4 |
White-Rodgers 1A65-641 |
4E036 |
|
29.45 |
0.6 |
|
Electric Heat, Slide Action |
DPST |
Bimetal |
22 |
22 |
40 to 85 |
+/- 1 |
Beige |
41⁄2 |
23⁄4 |
11⁄4 |
White-Rodgers |
1A66-641 |
4E037 |
|
39.20 |
0.6 |
(*) Double pole disconnect with "Off" position which mechanically breaks both sides of line.
3820