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HVAC Controls & Thermostats

Ignition Control Components (48)

Low Voltage Thermostats (37)

Line Voltage Thermostats (22)

Hydronic Controls (20)

Refrigeration & Air Conditioning Controls (14)

Pneumatic Controls (13)

Electric Actuators (11)

Electronic Temperature Controls (9)

Duct Pressure Switches (7)

HVAC Relays (7)

Fan Controls (6)

Humidity Controls (1)

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1 - 50 of 195 results

DAYTON

Dayton Line Volt Mechanical Tstat for Heating Only, 120 to 277VAC

#917291-3 | Pkg Qty:1

$49.92 pkg | $49.92 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Clear, Ring Base/Solid Base

#913245 | Pkg Qty:1

$43.71 pkg | $43.71 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Clear, Ring Base/Solid Base

#914160-7 | Pkg Qty:1

$41.24 pkg | $41.24 ea

VICTOR THERMAL DYNAMICS

Victor Thermal Dynamics Start Cartridge: For Thermal Dynamics SL60/100 Plasma Torch

#911479-7 | Pkg Qty:1

$64.24 pkg | $64.24 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Heating or Cooling, 24 to 600VAC

#911269-4 | Pkg Qty:1

$134.91 pkg | $134.91 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Clear, Ring Base/Solid Base

#911316-4 | Pkg Qty:1

$25.14 pkg | $25.14 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Off-White, Ring Base/Solid Base

#918885-5 | Pkg Qty:1

$37.31 pkg | $37.31 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Clear, Ring Base/Solid Base

#912420-7 | Pkg Qty:1

$22.11 pkg | $22.11 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Clear, Ring Base/Solid Base

#913174-2 | Pkg Qty:1

$37.03 pkg | $37.03 ea

PECO

Peco Line Volt Mechanical Tstat for Heating and Cooling, 24, 120 to 277VAC

#915591-3 | Pkg Qty:1

$57.48 pkg | $57.48 ea

HONEYWELL

Honeywell Low Voltage Thermostat: Heat and Cool, Manual, B / C / G / O / R / RC / W / Terminal Designations

#924997-1 | Pkg Qty:1

$84.36 pkg | $84.36 ea

DAYTON

Dayton Speed Control, Black, 6, 115 Voltage, 2-3/4 Width (In.), 4-1/2 Height (In.)

#917220-2 | Pkg Qty:1

$45.86 pkg | $45.86 ea

APPROVED SUPPLIER

Metal Universal Thermostat Guard, Off-White

#920821-1 | Pkg Qty:1

$34.86 pkg | $34.86 ea

COLUMBUS ELECTRIC

Columbus Electric Line Volt Mechanical Tstat for Heating and Cooling, 120 to 277VAC

#915750-1 | Pkg Qty:1

$25.19 pkg | $25.19 ea

EMERSON

Emerson Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces/Millivolt, RH/W

#918840-7 | Pkg Qty:1

$17.19 pkg | $17.19 ea

HONEYWELL

Honeywell Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces

#911925-5 | Pkg Qty:1

$65.40 pkg | $65.40 ea

EMERSON

Emerson Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces/Millivolt, RH/W

#925559-2 | Pkg Qty:1

$39.94 pkg | $39.94 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Heating Only, 120 to 277VAC

#925442 | Pkg Qty:1

$55.45 pkg | $55.45 ea

BELIMO

Belimo 100-240 VAC On/Off SPDT Actuator, Spring Return On/Off, 120 V, No.22, -22° to 122°F, 22"-lb., 75 s

#922710-7 | Pkg Qty:1

$337.77 pkg | $337.77 ea

EMERSON

Emerson Low Voltage Thermostat: Digital, Heat or Cool, Manual, B / G / O / RC / RH / W / Terminal Designations

#920601-2 | Pkg Qty:1

$38.52 pkg | $38.52 ea

RANCO

Ranco Electronic Temperature Control: SPDT, -30° to 220°F, 1 Relay Inputs, 1 Relay Outputs, NEMA 1, Gray

#913229-1 | Pkg Qty:1

$127.50 pkg | $127.50 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Heating/Cooling, 24 to 600VAC

#914383-9 | Pkg Qty:1

$85.25 pkg | $85.25 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Heating and Cooling, 120 to 277VAC

#912162-9 | Pkg Qty:1

$65.57 pkg | $65.57 ea

WHITE-RODGERS

White-Rodgers Hot Surface igniter: Silicon Carbide, 5 1/4 in Lg , 120, LP/NG

#913562-5 | Pkg Qty:1

$22.33 pkg | $22.33 ea

WHITE-RODGERS

White-Rodgers Gas Valve, 230,000 BtuH Capacity, 24 Coil Volts, NG/LP Gas Type, 1/2" Inlet Size

#914891-5 | Pkg Qty:1

$248.68 pkg | $248.68 ea

COOL-LINE

Cool-Line Temperature Transducer, 10 to 35V AC Voltage Range

#919161-4 | Pkg Qty:1

$120.78 pkg | $120.78 ea

HONEYWELL

Honeywell Low Voltage Thermostat: Digital, Heat or Cool, Manual, C/R/W, Cool-Heat-Off, 20V AC

#915847-7 | Pkg Qty:1

$60.38 pkg | $60.38 ea

EMERSON

Emerson Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces, Analog, R/W

#913387-7 | Pkg Qty:1

$46.60 pkg | $46.60 ea

WHITE-RODGERS

White-Rodgers Flame Sensor, Single Rod, 30 in Lead Length (In.), 1/4 in Quick Connect Electrical Connections

#913291-9 | Pkg Qty:1

$37.84 pkg | $37.84 ea

APPROVED SUPPLIER

Universal Thermostat Guard: Plastic, Snap-On, Off-White, Ring Base/Solid Base

#917955 | Pkg Qty:1

$43.71 pkg | $43.71 ea

ICM

ICM Time Delay, Delay on Break/Lockout, 18 To 30 Voltage, 1.5 Contact Rating (Amps)

#914751-5 | Pkg Qty:1

$43.91 pkg | $43.91 ea

EMERSON

Emerson Low Voltage Thermostat: Digital, Heat or Cool, Manual, Cool-Emergency Heat-Heat-Off, Adj

#920600-9 | Pkg Qty:1

$53.34 pkg | $53.34 ea

ROBERTSHAW

Robertshaw Thermopile: Pilot Generator, 36 in Lg , 250mv to 750mv, LP/NG, CP-2 Tip

#918302-9 | Pkg Qty:1

$44.52 pkg | $44.52 ea

ROBERTSHAW

Robertshaw Hot Surface igniter: Silicon Carbide, 3 1/4 in Lg , 120, LP/NG, Flat Tip

#916225-3 | Pkg Qty:1

$25.13 pkg | $25.13 ea

DAYTON

Dayton Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces/Millivolt

#922084-6 | Pkg Qty:1

$21.12 pkg | $21.12 ea

HONEYWELL

Honeywell Replacement Thermocouple: Standard Coaxial, 24 in Lg , 18 to 30 mV, LP/NG

#921389-9 | Pkg Qty:1

$16.18 pkg | $16.18 ea

ICM

Icm Time Delay: Delay on Make, 18 to 240, 1.5 A Contact Rating (Amps), 18 To 240, 50/60, Time Delay

#921877-8 | Pkg Qty:1

$21.68 pkg | $21.68 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Cooling, 120 to 277VAC

#919284-6 | Pkg Qty:1

$44.80 pkg | $44.80 ea

RANCO

Ranco Temperature Sensor, For Use With: Ranco ETC Series Controllers

#925123-4 | Pkg Qty:1

$36.12 pkg | $36.12 ea

EMERSON

Emerson Low Voltage Thermostat: Heat and Cool, Auto, 2 Heating Stages - Conventional System, Adj

#926098-1 | Pkg Qty:1

$157.75 pkg | $157.75 ea

ROBERTSHAW

Robertshaw Hot Surface igniter: Silicon Carbide, 3 1/8 in Lg , 120, LP/NG, Flat Tip

#912917-9 | Pkg Qty:1

$27.59 pkg | $27.59 ea

DAYTON

Dayton Line Volt Mechanical Tstat for Heat and Cool, 24 to 600VAC

#927601-4 | Pkg Qty:1

$86.01 pkg | $86.01 ea

WHITE-RODGERS

White-Rodgers Magnetic Relay, Enclosed Fan Relay (Heavy-Duty), 24 Coil Volts, SPNO/SPNC, HP

#910989-8 | Pkg Qty:1

$14.58 pkg | $14.58 ea

HONEYWELL

Honeywell Low Voltage Thermostat: Electric Forced Air Furnaces/Gas Forced Air Furnaces, Analog

#916668-2 | Pkg Qty:1

$39.03 pkg | $39.03 ea

PECO

Peco Line Volt Mechanical Tstat for Heating and Cooling, 24, 120 to 277VAC

#911578-5 | Pkg Qty:1

$77.34 pkg | $77.34 ea

APPROVED SUPPLIER

Snap Disc Control, Limit, Automatic Reset, Switch Closes at (F) 115, Switch Opens at (F) 130

#912167-9 | Pkg Qty:1

$5.45 pkg | $5.45 ea

BELIMO

Belimo 24 VAC/DC MFT Spring Return Damper Actuator, 24 VAC/DC, -22° to 122°F, 180"-lb., 150 sec., Include

#927707-6 | Pkg Qty:1

$519.20 pkg | $519.20 ea

JOHNSON CONTROLS

Johnson Controls Differential Air Pressure Switch, HVAC/General Purpose Type, .018 To .120 Differential (In. WC)

#917602-7 | Pkg Qty:1

$116.20 pkg | $116.20 ea

FANTECH

Fantech Speed Control, Black, Brushed Aluminum, 5, 115 Voltage, 2" Width (In.), 4" Height (In.)

#924237-8 | Pkg Qty:1

$31.02 pkg | $31.02 ea

JOHNSON CONTROLS

Johnson Controls Temperature Sensor, For Use With: C450RCN-1C

#918302-7 | Pkg Qty:1

$48.33 pkg | $48.33 ea

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1 - 50 of 195 results