Current Current |
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Maximum Setpoint Maximum Setpoint |
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Maximum Voltage Maximum Voltage |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Electrical Connection Type Electrical Connection Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Minimum Setpoint Minimum Setpoint |
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Switch Type Switch Type | Show |
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Switch Type Switch Type | Hide |
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For Use With For Use With |
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For Conduit Trade Size For Conduit Trade Size |
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Paddle Material Paddle Material |
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Paddle Width Paddle Width |
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Environmental Rating Environmental Rating |
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Minimum Temperature Minimum Temperature |
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Maximum Temperature Maximum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Mounting Location Mounting Location |
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Temperature Setting Temperature Setting |
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Airflow-Actuated HVAC Switches

Use this switch to sense changes in airflow velocity in duct. The paddle extends into the duct and actuates the switch when airflow reaches the setpoint. Switch is rated NEMA 3R for protection from dirt, falling liquids, and light splashing.
Paddle | ||||||||||||||
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Setpoint, fpm | Temperature Range, °F | Current | Electrical Connection Type | Switch Type | For Conduit Trade Size | Knockout Dia. | Material | Ht. | Wd. | For Use Outdoors | Environmental Rating | Specifications Met | Each | |
Paddle Sensor | ||||||||||||||
350-500 | 32° to 104° | 10 A @ 240 V AC 16 A @ 120 V AC | Screw Terminal | SPDT | 1/2 | 7/8" | Stainless Steel | 6 7/8" | 3 1/8" | Yes | IP43, NEMA 3R | UL Listed, C-UL Listed, CE Marked | 0000000 | 0000000 |
Air-Pressure-Actuated HVAC Switches

Often used to detect clogged air filters and iced air conditioner coils, these switches sense small changes in pressure between two points in your duct.
Setpoint, in. of H2O | Accuracy, in. of H2O | Temperature Range, °F | Current | Electrical Connection Type | Switch Type | Max. Pressure, psi | Low Pressure Side Connection | High Pressure Side Inside Connection | High Pressure Side Outside Connection | Each | |
Diaphragm Sensor | |||||||||||
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0.05-5 | 0.025 | -40° to 165° | 2.9 A @ 240 V AC 5.8 A @ 120 V AC | Hardwire | SPDT | 1 | 1/8 NPT Female | 1/8 NPT Female | 1/2 NPSM | 000000 | 0000000 |
0.05-5 | 0.04 | -40° to 165° | 4.9 A @ 240 V AC 9.8 A @ 120 V AC | Hardwire | SPDT | 1 | 1/8 NPT Female | 1/8 NPT Female | 1/2 NPSM | 000000 | 000000 |
Line-Voltage Thermostats

Regulate line-voltage HVAC systems.
Overall | ||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Mounting Fasteners Included | Specifications Met | Each | |
For Air Conditioners and Heaters | ||||||||||
24V AC-277V AC | 22 | 40° to 90° | SPDT | 4 3/4" | 3" | 1 3/8" | Yes | UL Listed | 0000000 | 0000000 |
Multi-Speed Line-Voltage Thermostats

Control one- and two-speed line-voltage HVAC systems. Set the thermostat to activate the device’s second speed when the temperature surpasses the setting for the first speed by 3.6° F to 9° F.
Overall | |||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Temp. Differential, °F | For Use Outdoors | Mounting Fasteners Included | Environmental Rating | Specifications Met | Each | |
For Air Conditioners and Heaters | |||||||||||||
24V AC-250V AC | 15 | 32° to 140° | SPDT | 6" | 2 3/4" | 3 3/8" | 3.6° to 9° | Yes | Yes | IP65; NEMA 4 | CE Marked | 0000000 | 0000000 |
Line-Voltage Thermostats with Thermowell

Commonly used with line-voltage hydronic heaters, this thermostat senses the temperature of liquids. The thermowell protects the sensor.
Overall | Thermowell | ||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Thread Type | Pipe Size | Specifications Met | Each | |
For Air Conditioners and Heaters | |||||||||||
120V AC-240V AC | 10 | 100° to 240° | SPDT | 4 1/2" | 2 1/4" | 1 7/8" | NPT | 1/2 | UL Listed | 000000 | 0000000 |
DIN-Rail Mount Remote-Sensor Line-Voltage Thermostats


Place sensor in enclosures or different rooms than the rest of the thermostat to control temperature from outside the space. Thermostat works with line-voltage HVAC systems.
Remote-Sensor Line-Voltage Thermostats


Place sensor in enclosures or different rooms than the rest of the thermostat to control temperature from outside the space. Thermostats work with line-voltage HVAC systems.
Overall | |||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Sensor Cord Lg., ft. | Mounting Fasteners Included | Mounting Hole Dia. | Specifications Met | Each | ||
For Air Conditioners and Heaters | |||||||||||||
A | 120V AC-277V AC | 22 | -30° to 100° | SPDT | 5" | 2 1/4" | 1 5/8" | 8 | No | 1/8" | UL Listed | 0000000 | 0000000 |
B | 120V AC-277V AC | 22 | 40° to 110° | SPDT | 5 1/2" | 2 1/8" | 2 5/8" | 2 | No | 1/8" | UL Listed | 0000000 | 000000 |
Remote-Sensor Line-Voltage Thermostats with Thermowell

Commonly used with line-voltage hydronic heaters, this thermostat senses the temperature of liquids at a distance using the remote sensor. The thermowell protects the sensor.
Overall | Thermowell | |||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Sensor Cord Lg., ft. | Thread Type | Pipe Size | Mounting Fasteners Included | Mounting Hole Dia. | Specifications Met | Each | |
For Air Conditioners and Heaters | ||||||||||||||
120V AC-240V AC | 10 | 100° to 240° | SPDT | 4 1/2" | 2 1/4" | 1 7/8" | 8 | NPT | 1/2 | No | 1/4" | UL Listed | 000000 | 0000000 |
Washdown Line-Voltage Thermostats

These thermostats are rated NEMA 4X for protection from dirt, washdowns, and corrosion. Use to regulate line-voltage HVAC systems.
Overall | |||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | For Use Outdoors | Mounting Fasteners Included | Mounting Hole Dia. | Specifications Met | Environmental Rating | Each | |
For Air Conditioners and Heaters | |||||||||||||
120V AC-277V AC | 22 | 40° to 100° | SPDT | 6 7/8" | 3 1/8" | 4" | Yes | No | 5/32" | ETL Listed | NEMA 4X | 0000000 | 0000000 |
Hazardous Location Line-Voltage Thermostats

Use to regulate line-voltage HVAC systems where flammable gases, vapors, and dust are present. Thermostats are rated Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G.
Overall | ||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Mounting Fasteners Included | Mounting Hole Dia. | Specifications Met | Environmental Rating | Each | |
For Air Conditioners and Heaters | ||||||||||||
24V AC-277V AC | 22 | 50° to 90° | SPDT | 5 3/4" | 6 3/8" | 5 5/8" | No | 1/4" | UL Listed, CSA Certified | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEMA 7 | 0000000 | 0000000 |
Remote-Sensor Hazardous Location Line-Voltage Thermostats

Place sensor in enclosures or different rooms than the rest of the thermostat to control temperature from outside the space. Use to regulate line-voltage HVAC systems where flammable gases, vapors, and dust are present. Thermostats are rated Class I, Divisions 1 and 2, Group D; and Class II, Divisions 1 and 2, Groups E, F, and G.
Overall | |||||||||||||
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Voltage | Current, A | Temp. Setting, °F | Switch Type | Ht. | Wd. | Dp. | Sensor Cord Lg., ft. | Mounting Fasteners Included | Mounting Hole Dia. | Specifications Met | Environmental Rating | Each | |
For Air Conditioners and Heaters | |||||||||||||
120V AC-277V AC | 22 | 20° to 80° | SPDT | 5 7/8" | 3" | 3 1/4" | 6 | No | 3/8" | UL Listed, CSA Certified | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups E, F, G NEMA 7 NEMA 9 | 0000000 | 0000000 |
Humidistats


Turn the dial to control humidity equipment.
Humidistats for humidifiers and dehumidifiers mount to a surface-mount outlet box.
Overall | |||||||||||
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Voltage | Current | Relative Humidity | Switch Type | Color | Ht. | Wd. | Dp. | Mounting Location | Mounting Fasteners Included | Each | |
For Humidifiers | |||||||||||
24V AC-30V AC | 1A | 10-75% | SPDT | White | 3" | 4 3/4" | 1 3/4" | Duct, Wall | Yes | 0000000 | 000000 |
For Humidifiers and Dehumidifiers | |||||||||||
120V AC/208V AC/240V AC | 6A/3.5A/3A | 0-70% | SPDT | Beige | 4 3/4" | 3" | 3" | Outlet Box | Yes | 0000000 | 000000 |