Wall Thermostats | McMaster-Carr

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32 Products

Programmable Low-Voltage Thermostats


Push Button	Touchpad

Set these thermostats to adjust the temperature at certain times each day. They control low-voltage HVAC systems. You can lock the settings to prevent unwanted or accidental changes, which is helpful in public areas. If the power fails, these thermostats have battery backup to retain your program.

Touch-Pad Control—Touchpad thermostats can be used with a remote sensor (sold separately) that takes temperatures up to 300 ft. from the thermostat.

For Single Stage System Efficiency—Single-stage thermostats work with systems that have only one speed.

For Multistage System Efficiency—Multistage thermostats work with systems that have up to three heating speeds and two cooling speeds.

Daily Program Function—Thermostats with a daily program function can have an individual program for each day of the week.

	For System							Overall
	Type	Efficiency	Program Function	Voltage, V AC	Current, amp	Temp. Setting, ° F	Electrical Connection Type	Ht.	Wd.	Dp.	Batteries Included	For Use Outdoors	Mounting Fasteners Included	Features	Display Type		Each
For Air Conditioners and Heaters







				Push-Button Control

				Electric Gas Heat Pump Oil	Single Stage	Weekday/Saturday/Sunday	Millivolt to 30V AC	1.5	45 to 99	Hardwire	3 3/4"	6"	1 1/8"	Yes	No	Yes	Battery Backup, Lockable Settings	Digital	0000000	000000




						Touch-Pad Control

						Electric Gas Heat Pump Oil	Single Stage	Daily	Millivolt to 30V AC	1.5	45 to 99	Hardwire	4 5/8"	5 7/8"	1 1/4"	Yes	No	Yes	Battery Backup, Lockable Settings	Digital	0000000	000000


						Electric Gas Heat Pump Oil Steam	Multistage	Daily	Millivolt to 30V AC	1.5	45 to 99	Hardwire	4 5/8"	5 7/8"	1 1/4"	Yes	No	Yes	Battery Backup, Lockable Settings	Digital	0000000	000000


						For Heaters







										Push-Button Control

										Electric Gas Heat Pump Oil Steam Water	Single Stage	Daily, Weekday/Weekend, Weekday/Saturday/Sunday	20 to 30	1	40 to 99	Hardwire	4 1/16"	4 1/16"	1 1/8"	Yes	No	Yes	Battery Backup, Lockable Settings	Digital	0000000	000000

Temperature and Humidity Sensors

		Each
Remote Sensor for Touchpad Thermostats	0000000	000000

Low-Voltage Thermostats


Style A	Style B

These thermostats work with low-voltage HVAC systems that have only one speed.

Style A—Style A thermostats mount vertically or horizontally.

Cannot Be Sold To—Energy efficiency requirements restrict sales to the listed jurisdictions/areas.

		For System						Overall
	Style	Type	Efficiency	Voltage, V AC	Current, amp	Temp. Setting, ° F	Electrical Connection Type	Dia.	Ht.	Wd.	Dp.	For Use Outdoors	Mounting Fasteners Included	Display Type	Cannot Be Sold To		Each
For Air Conditioners







				Lever Control

				A	Electric	Single Stage	24	1	50 to 90	Hardwire	—	5"	3 1/4"	1 3/8"	No	Yes	Analog	Colorado	00000000	000000


				For Air Conditioners and Heaters







								Lever Control

								A	Electric Gas Oil	Single Stage	24	1	50 to 90	Hardwire	—	5"	3 1/4"	1 3/8"	No	Yes	Analog	Colorado	00000000	00000




										Dial Control

										B	Electric Gas Oil	Single Stage	20 to 30	1	40 to 90	Hardwire	4"	—	—	1 3/4"	No	Yes	Analog	Colorado	0000000	00000


										For Heaters







														Lever Control

														A	Electric	Single Stage	24, Millivolt	1	50 to 90	Hardwire	—	5"	3 1/4"	1 3/8"	No	Yes	Analog	Colorado	00000000	00000




																Dial Control

																B	Gas Oil	Single Stage	20 to 30	1	40 to 90	Hardwire	4"	—	—	1 3/4"	No	Yes	Analog	Colorado	0000000	00000

Tamper-Resistant Line-Voltage Thermostats


	Thermostat with Tamper-Resistant Guard Removed

A built-in guard prevents accidental changes and other tampering and protects these thermostats from damage. These thermostats regulate the temperature in HVAC systems that use direct electrical power. They’re often used with baseboard and wall heaters.

DPST—DPST (double pole, single throw) thermostats control two circuits, so they have an “off” setting that cuts power to the thermostat. As a result, they’re more energy efficient and slightly safer than SPST (single pole, single throw) thermostats, which stay at a low setting instead of turning off completely.

Cannot Be Sold To—Energy efficiency requirements restrict sales to the listed jurisdictions/areas.

						Overall
	Voltage, V AC	Current, amp	Temp. Setting, ° F	Switch Designation	Electrical Connection Type	Ht.	Wd.	Dp.	For Use Outdoors	Mounting Fasteners Included	Features	Display Type	Certification	Cannot Be Sold To		Each
For Heaters







				Dial Control

				120 to 277	22	50 to 90	SPST	Hardwire	4 9/16"	2 13/16"	1 3/4"	No	No	Tamper-Resistant Guard	Analog	ETL Listed	Colorado	0000000	000000


				120 to 277	22	50 to 90	DPST	Hardwire	4 9/16"	2 13/16"	1 3/4"	No	No	Tamper-Resistant Guard	Analog	ETL Listed	Colorado	0000000	00000

Programmable Line-Voltage Thermostats

Set these thermostats to adjust the temperature at certain times each day. They regulate heaters that use direct electrical power, such as baseboard and wall heaters.

	For System								Overall
	Type	Efficiency	Program Function	Voltage, V AC	Current, amp	Temp. Setting, ° F	Switch Designation	Electrical Connection Type	Ht.	Wd.	Dp.	For Use Outdoors	Mounting Fasteners Included	Display Type		Each
For Heaters







				Push-Button Control

				Electric	Single Stage	Daily	120	16	40 to 86	SPST	Hardwire	4 7/8"	2 3/4"	7/8"	No	Yes	Digital	0000000	0000000


				Electric	Single Stage	Daily	240	15	40 to 86	DPST	Hardwire	4 7/8"	2 3/4"	7/8"	No	Yes	Digital	0000000	000000
				Electric	Single Stage	Daily	240	16	40 to 86	SPST	Hardwire	4 7/8"	2 3/4"	7/8"	No	Yes	Digital	0000000	000000

Thermostat Guards

Restrict access and protect thermostats from damage. Guards are vented.

Plastic


Ring Base	Solid Base	Solid Base and Ring Base

Ring Base—Guards with a ring base mount without removing the thermostat from the wall.

	Thermostat Guards												Extra Keys
		Solid Base—For Max. Thermostat			Ring Base—For Max. Thermostat
	Cover Type	Ht.	Wd.	Dp.	Ht.	Wd.	Dp.	Color	Mounting Position	No. of Keys Included		Each	Pkg. Qty.		Pkg.
Ring Base



		Snap On	—	—	—	5 1/4"	5 1/4"	3 1/4"	Clear	Horizontal, Vertical	2	00000000	000000	—	———	0


		Snap On	—	—	—	6 1/4"	4 1/4"	3 1/4"	Clear	Horizontal, Vertical	2	00000000	00000	—	———	0


		Solid Base



				Snap On	3 7/8"	3 1/2"	2 1/2"	—	—	—	Clear	Horizontal, Vertical	1	0000000	00000	2	000000	00000


				Solid Base and Ring Base



						Snap On	5 1/4"	4 5/8"	3"	5 1/4"	4 5/8"	3 1/4"	Clear	Horizontal, Vertical	1	0000000	00000	2	000000	0000


						Snap On	6 3/8"	3 1/2"	3"	6 3/8"	3 1/2"	3 1/4"	Clear	Horizontal, Vertical	1	0000000	00000	2	000000	0000
						Snap On	7 5/8"	4 1/4"	2 1/8"	7 1/16"	4 1/8"	2 1/4"	Clear	Horizontal, Vertical	1	00000000	00000	2	000000	0000
						Snap On	8 1/4"	5 3/8"	3 1/2"	8 1/8"	4 5/8"	3 5/8"	Clear	Horizontal, Vertical	1	0000000	00000	2	000000	0000

Painted Steel


Ring Base Hinged Cover	Ring Base Snap-On Cover	Solid Base Hinged Cover	Solid Base Snap-On Cover

Ring Base—Guards with a ring base mount without removing the thermostat from the wall.

	Thermostat Guards									Extra Keys
		For Max.Thermostat
	Cover Type	Ht.	Wd.	Dp.	Color	Mounting Position	No. of Keys Included		Each	Pkg. Qty.		Pkg.
Ring Base



		Hinged	6"	3 13/16"	3 1/8"	Beige	Horizontal, Vertical	1	0000000	000000	2	000000	00000


		Snap On	6 5/8"	4 1/2"	3 3/8"	Beige	Horizontal, Vertical	1	0000000	00000	2	000000	0000


		Solid Base



				Hinged	6 1/4"	4 3/4"	3"	Beige	Horizontal, Vertical	1	0000000	00000	2	000000	0000


				Snap On	7 1/8"	4 5/8"	3 1/4"	Beige	Horizontal, Vertical	1	0000000	00000	2	000000	0000

Wi-Fi Enabled Programmable Low-Voltage Thermostats


Push Button	Touchpad

Touchpad with Remote Sensor

Control, monitor, and program your HVAC system from anywhere. These thermostats connect to a Wi-Fi network, so you can use a computer, tablet, or smartphone to view and adjust settings. You can also lock the settings to prevent accidental changes or tampering in public areas. They control low-voltage, multistage HVAC systems that have up to three heating and cooling speeds. Use them to set an individual program for each day of the week.

Temperature Control Location Sensing—Location-sensing thermostats connect to an app that tracks the location of your mobile device. They can automatically adjust the temperature based on your distance from the thermostat. Use the app to send push notifications for service reminders, unexpected temperature changes, and interruptions to the Wi-Fi connection.

Humidity/Temperature Sensor—Thermostats with a humidity/temperature sensor also detect motion. Place the remote sensor in a room or enclosure to maintain a consistent climate. To help save energy, they can raise or lower the temperature when no motion is detected.

	Thermostats														Replacement Temperature and Humidity Sensors
	For System						Overall
	Type	Efficiency	Voltage, V AC	Current, amp	Temp. Control Type	Temp. Setting, ° F	Ht.	Wd.	Dp.	Sensor Type	Mounting Fasteners Included	Features		Each	Pkg. Qty.		Pkg.
For Air Conditioners and Heaters







				Push-Button Control

				Electric Gas Heat Pump Oil	Multistage	20 to 30	1.5	—	45 to 99	3 3/4"	5 7/8"	1"	Built In	Yes	Lockable Settings	0000000	0000000	—	———	0




						Touch-Pad Control

						Electric Gas Heat Pump Oil Steam	Multistage	18 to 30	1	—	40 to 99	3 1/2"	4 1/2"	7/8"	Built In	Yes	Lockable Settings	0000000	000000	—	———	0


						For Air Conditioners, Fans, and Heaters







										Touch-Pad Control with Mobile-App-Notification Alert

										Electric Gas Heat Pump Oil Steam	Multistage	20 to 30	1	Location Sensing	40 to 99	4"	4"	1"	Built In	Yes	Lockable Settings	0000000	000000	—	———	0


										Electric Gas Heat Pump Oil Steam	Multistage	20 to 30	1	Location Sensing	40 to 99	5"	3 3/4"	1"	Built In, Remote	Yes	Humidity/Temperature Sensor, Lockable Settings	0000000	000000	2	00000000	0000000