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.
Switch Control Diff. Pilot Dimensions (In.) Mfr. Item $ Shpg.
Type Range (°F) (°F) Duty (VA) H W D Brand Model No. Each Wt.
Heat Only Thermostats
DPST 50 to 90 3 — 4
SPST 50 to 90 0 125 5 3
SPST 55 to 85 2 — 6 2
SPST 55 to 95 2 — 6 23⁄4 21⁄2 White-Rodgers 152-10
Cool Only Thermostat
SPST 50 to 90 0 125 5 31⁄4 23⁄4 Invensys 803
Heating/Cooling Thermostats
SPDT 50 to 90 2h/4c — 4
SPDT 0 to 120 1 125 5 31⁄8 15⁄8 Honeywell T6051A1016
SPDT 44 to 86 2 125 41⁄2 215⁄16 11⁄2 Honeywell T651A3018
SPDT 40 to 90 3h/3.5c — 411⁄16 327⁄8 Johnson Controls T26T3E
SPDT 55 to 90 1.5 125 51⁄8 27⁄8 21⁄8 White-Rodgers 1A10-651
SPDT 36 to 90 1.5 125 51⁄8 27⁄8 21⁄8 White-Rodgers 1A16-51
SPDT 55 to 95 3 — 6 23⁄4 21⁄2 White-Rodgers 179-1
Heating/Cooling Fan Coil Thermostats
(2) SPST 40 to 90 +/- 2 — 4
(2) SPST 40 to 90 +/- 2 — 41⁄4 35⁄8 11⁄4 Dayton —
SPST 50 to 90 +/-1.36 100 311⁄16 43⁄16 17⁄16 Honeywell T6575C1001
SPDT 55 to 95 — — 45⁄8 415⁄16 15⁄16 Honeywell T4039M1004
SPDT 36 to 90 1.5 — 41⁄2 41⁄2 21⁄4 White-Rodgers 1A11-2
Thermostat and Humidistat/Dehumidistat
(2) SPST 41 to 95 +/-1 — 41⁄4 35⁄8 11⁄4 Dayton —
Subbase
Heating-Cooling Subbase for use with Nos. 2E734 and 3TZ43 White-Rodgers S29-21
3
⁄4 23⁄4 23⁄4 Dayton —
1
⁄4 23⁄4 Invensys 801
3
⁄4 21⁄2 White-Rodgers 152-9
3
⁄4 23⁄4 23⁄4 Columbus Electric ETD-5S-6S
1
⁄4 35⁄8 11⁄4 Dayton —
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.
4PU48 16.64
1TKF9 11.09
2E369
2E477
1TKG1 16.65
2E158 16.77
2E517
4NE56
2E503
2E734
3TZ43
2E997
1UHE3 26.50
1UHE4 26.50
1RZY7
2E858
1N172
1UHG9
2E735 34.75
106.20
125.15
94.75
59.65
87.70
58.95
86.00
117.75
81.30
115.00
91.50
53.25
0.8
0.6
1.8
1.8
0.6
0.5
1.0
0.5
0.9
0.7
0.7
1.8
0.3
0.3
0.7
0.7
1.1
0.3
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. 4PU49
Thermostat Switch Sensor Contact Ratings Range Differential Dimensions (In.) Mfr. Item $ Shpg.
Type Type Type 120V (A) 240V (A) (°F) (Deg. F) Color H W D Brand Model No. Each Wt.
Bimetal Operated SPST Bimetal 22 22 50 to 90 3 White 4
5+1+1 Programmable SPST NTC Thermistor 15 — 41 to 95 +/- 1 White 4
Electronic SPST NTC Thermistor 15 — 41 to 95 +/- 1 White 4
Electronic SPST NTC Thermistor 15 — 50 to 90 +/- 2 White 4
Analog SPST
Analog SPST Thermistor — 16 50 to 80 +/- 1 White 4
Digital Nonprogrammable DPST Thermistor — 15 40 to 86 +/- 1 White 47⁄8 23⁄4
Digital Programmable DPST Thermistor — 15 40 to 86 +/- 1 White 4
Electric Heat, Slide Action SPST Bimetal 22 22 40 to 80 +/- 3 Beige 417⁄32 229⁄32 115⁄16
Electric Heat, Slide Action DPST Bimetal 22 22 40 to 85 +/- 3
Electric Heat, Slide Action SPST Bimetal 22 22 40 to 85 +/- 1 Beige 4
Electric Heat, Slide Action DPST Bimetal 22 22 40 to 85 +/- 1 Beige 41⁄2 23⁄4 11⁄4 White-Rodgers 1A66-641
(*) Double pole disconnect with "Off" position which mechanically breaks both sides of line.
No. 6WY24
Vapor-filled dual-
diaphragm
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. 6WY23
Shows actual temperature on large LCD. Heating
indicator confirms at a glance that the heat is
on. Backlight button and On/Off switch.
Resistive Control
3
⁄4 23⁄4 23⁄4
1
⁄4 35⁄8 11⁄4
1
⁄4 35⁄8 11⁄4
1
⁄4 35⁄8 11⁄4
Brushed
Gold
1
⁄2 27⁄8 25⁄8
3
⁄4 31⁄8 25⁄8
7
⁄8 23⁄4 7/8 Honeywell TL8230A1003
17
4
⁄32 229⁄32 115⁄16 Honeywell T498B1512
1
⁄2 23⁄4 11⁄4 White-Rodgers 1A65-641
22 22 50 to 80 +/- 2 White 4
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
Bimetal sensor element and long-lasting Micro
™
Switch
mechanism. Thermostats include thermometer and locking cover. No. 2E832 has
Positive Off position.
Dayton —
Dayton —
Dayton —
Dayton —
Honeywell T4398A1021
Honeywell T4800A1015
7/8 Honeywell TL7235A1003
Honeywell T498A1778
4PU49 20.01
1UHG445.00
1UHG162.50
1UHE8 22.50
4CZ52 23.51
4CZ53
6WY2354.55
6WY2459.80
2E831 30.55
2E832 36.65
4E036 29.45
4E037 39.20
0.7
0.3
0.3
0.3
0.6
59.85
0.7
0.8
0.8
0.5
0.5
0.6
0.6
3820