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Collection: Thermostats

Thermostats are temperature-controlled switches that regulate HVAC systems by converting temperature readings into electrical signals to activate heating or cooling equipment. Our selection includes a wide range of commercial and industrial thermostats from Siemens, Johnson Controls, and Greystone Energy.

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Johnson Controls (25 products)
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1-pipe (low air capacity) (20 products)
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A11A (6 products)
A11B (6 products)
A11D (6 products)
A11E (6 products)
A11 Series (6 products)
A25 series (3 products)
A28 (2 products)
A28 Series (8 products)
air temp control (3 products)
barometric pressure (8 products)
C450 (6 products)
Control Module (6 products)
cutout controls (6 products)
direct and reverse acting (20 products)
ethernet (6 products)
field adjustable (20 products)
field configurable (6 products)
fixed temperature limit (20 products)
freeze stats (6 products)
high limit (3 products)
humidity (6 products)
hyrdonic coils (6 products)
JCI (8 products)
Johnson Controls (25 products)
liquid filled sensing element (2 products)
LIT-125130 (8 products)
low temperature (6 products)
manual reset (3 products)
mechanical thermostat (5 products)
multipurpose (6 products)
NEMA 1 (8 products)
Penn Controls (13 products)
pneumatic thermostat (20 products)
Powers Controls (20 products)
pressure (6 products)
rod and tube (3 products)
Siemens (20 products)
SPDT (14 products)
SPST (6 products)
temperature (6 products)
Temperature Controls (11 products)
TH 192 S (20 products)
Thermostats (25 products)
thermostats (20 products)
touchpad (6 products)
two-pole (2 products)
two-stage (8 products)

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1-pipe (low air capacity) (20 products)
2-pipe (high air capacity) (20 products)
A11A (6 products)
A11B (6 products)
A11D (6 products)
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A11 Series (6 products)
A25 series (3 products)
A28 (2 products)
A28 Series (8 products)
air temp control (3 products)
barometric pressure (8 products)
C450 (6 products)
Control Module (6 products)
cutout controls (6 products)
direct and reverse acting (20 products)
ethernet (6 products)
field adjustable (20 products)
field configurable (6 products)
fixed temperature limit (20 products)
freeze stats (6 products)
high limit (3 products)
humidity (6 products)
hyrdonic coils (6 products)
JCI (8 products)
Johnson Controls (25 products)
liquid filled sensing element (2 products)
LIT-125130 (8 products)
low temperature (6 products)
manual reset (3 products)
mechanical thermostat (5 products)
multipurpose (6 products)
NEMA 1 (8 products)
Penn Controls (13 products)
pneumatic thermostat (20 products)
Powers Controls (20 products)
pressure (6 products)
rod and tube (3 products)
Siemens (20 products)
SPDT (14 products)
SPST (6 products)
temperature (6 products)
Temperature Controls (11 products)
TH 192 S (20 products)
Thermostats (25 products)
thermostats (20 products)
touchpad (6 products)
two-pole (2 products)
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45 products

Siemens 192-229 Room Thermostat, Dual Setpoint, RA Heat, DA Cool, Celsius, 2-pipe

Siemens 192-229 Room Thermostat, Dual Setpoint, RA Heat, DA Cool, Celsius, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-228 Room Thermostat, Dual Setpoint, DA Heat, RA Cool, Celsius, 2-pipe

Siemens 192-228 Room Thermostat, Dual Setpoint, DA Heat, RA Cool, Celsius, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-226 Room Thermostat, Pneumatic, Dual Setpoint, DA, D/N/Vent, Celsius, 3-pipe

Siemens 192-226 Room Thermostat, Pneumatic, Dual Setpoint, DA, D/N/Vent, Celsius, 3-pipe

Regular price $272.59 USD

Regular price Sale price $272.59 USD
Siemens 192-225 Room Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Celsius, 2-pipe

Siemens 192-225 Room Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Celsius, 2-pipe

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-224 Room Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Celsius, 2-pipe

Siemens 192-224 Room Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Celsius, 2-pipe

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-223 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe

Siemens 192-223 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-222 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 2-pipe

Siemens 192-222 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-221 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe

Siemens 192-221 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-220 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 1-pipe

Siemens 192-220 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 1-pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-210 Room Thermostat, Pneumatic, Dual Setpoint, RA Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-210 Room Thermostat, Pneumatic, Dual Setpoint, RA Heat/Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-209 Room Temp Thermostat, Dual Setpoint, RA Heat, DA Cool, Fahrenheit, 2-pipe

Siemens 192-209 Room Temp Thermostat, Dual Setpoint, RA Heat, DA Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-208 Room Temp Thermostat, Pneumatic, DA Heat, RA Cool, Fahrenheit, 2-pipe

Siemens 192-208 Room Temp Thermostat, Pneumatic, DA Heat, RA Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-207 Room Temp Thermostat, DA, Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-207 Room Temp Thermostat, DA, Heat/Cool, Fahrenheit, 2-pipe

Regular price $239.80 USD

Regular price Sale price $239.80 USD
Siemens 192-206 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night/Vent, Fahrenheit

Siemens 192-206 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night/Vent, Fahrenheit

Regular price $272.59 USD

Regular price Sale price $272.59 USD
Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit

Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit

Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit

Regular price $260.30 USD

Regular price Sale price $260.30 USD
Siemens 192-203 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 2-Pipe

Siemens 192-203 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 2-Pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-202 Room Temp Thermostat, Pneumatic, DA, Heat/Cool, Fahrenheit, 2-pipe

Siemens 192-202 Room Temp Thermostat, Pneumatic, DA, Heat/Cool, Fahrenheit, 2-pipe

Regular price $147.57 USD

Regular price Sale price $147.57 USD
Siemens 192-201 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 1 Pipe

Siemens 192-201 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 1 Pipe

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Siemens 192-200 Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit

Siemens 192-200 Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit

Regular price $125.59 USD

Regular price Sale price $125.59 USD
Johnson Controls A11E-6C Auto Reset Low Temp, Diff 12, 4' Cap, SPDT, 1Hp, Brkt, 1/8" X 20' Avg

Johnson Controls A11E-6C Auto Reset Low Temp, Diff 12, 4' Cap, SPDT, 1Hp, Brkt, 1/8" X 20' Avg

Regular price $402.67 USD

Regular price Sale price $402.67 USD
Johnson Controls A11E-5C Auto Reset Low Temp, Diff 12, 1.2M Cap, SPDT, 1Hp, Brkt, 3Mm X 6 M Avg 2/7C 9 6.7 C Max,

Johnson Controls A11E-5C Auto Reset Low Temp, Diff 12, 1.2M Cap, SPDT, 1Hp, Brkt, 3Mm X 6 M Avg 2/7C 9 6.7 C Max,

Regular price $402.67 USD

Regular price Sale price $402.67 USD
Johnson Controls A11D-4C Manual Reset Low Temp, 2/7C, 1.2M Cap, SPDT, 1Hp, Brkt, 3Mm X 6 M Avg 2/7C 9 Diff. No,

Johnson Controls A11D-4C Manual Reset Low Temp, 2/7C, 1.2M Cap, SPDT, 1Hp, Brkt, 3Mm X 6 M Avg 2/7C 9 Diff. No,

Regular price $425.55 USD

Regular price Sale price $425.55 USD
Johnson Controls A11B-1C Auto Reset Low Temp, Diff 12, 4' Cap, SPST, Open Low, Brkt, 1Hp 35/45 F 9 Open 35 +4/-2F,

Johnson Controls A11B-1C Auto Reset Low Temp, Diff 12, 4' Cap, SPST, Open Low, Brkt, 1Hp 35/45 F 9 Open 35 +4/-2F,

Regular price $386.20 USD

Regular price Sale price $386.20 USD
Johnson Controls A11A-1C Manual Reset Low Temp, 35/45F, 4' Cap, SPST, Open Low, Brkt, 1Hp 35/45 F 9 Open 35 +4/-2F,

Johnson Controls A11A-1C Manual Reset Low Temp, 35/45F, 4' Cap, SPST, Open Low, Brkt, 1Hp 35/45 F 9 Open 35 +4/-2F,

Regular price $400.84 USD

Regular price Sale price $400.84 USD
Johnson Controls A11A-13C Low Temp Cutout, 35/45F, SPST, Open Low, Bkt, 1 Hp, Open 37 +/-1.5F

Johnson Controls A11A-13C Low Temp Cutout, 35/45F, SPST, Open Low, Bkt, 1 Hp, Open 37 +/-1.5F

Regular price $410.90 USD

Regular price Sale price $410.90 USD
Johnson Controls A25CP-1C Air Temperature Cntl, Rod & Tube, 25/215F, Manual Reset, SPDT, Consealed Scale, Fm Approved, High Limit

Johnson Controls A25CP-1C Air Temperature Cntl, Rod & Tube, 25/215F, Manual Reset, SPDT, Consealed Scale, Fm Approved, High Limit

Regular price $336.76 USD

Regular price Sale price $336.76 USD
Johnson Controls A25CN-4C Air Temperature Cntl, Rod & Tube, -4/101C, Manual Reset, SPDT, Mtg Flange, Knob Visible, High Limit

Johnson Controls A25CN-4C Air Temperature Cntl, Rod & Tube, -4/101C, Manual Reset, SPDT, Mtg Flange, Knob Visible, High Limit

Regular price $258.07 USD

Regular price Sale price $258.07 USD
Johnson Controls A25AN-1C Air Temperature Cntl Rod & Tube, 25/215F, Manual Reset, SPST, Open Hi,Mtg Flange, Knob Visible, High Limit

Johnson Controls A25AN-1C Air Temperature Cntl Rod & Tube, 25/215F, Manual Reset, SPST, Open Hi,Mtg Flange, Knob Visible, High Limit

Regular price $239.78 USD

Regular price Sale price $239.78 USD
Johnson Controls A28PJ-1C Two Stage Temperature Control, 30/110F, 2-SPDT, Nema 4X, 1/4Hp, Coiled Bulb

Johnson Controls A28PJ-1C Two Stage Temperature Control, 30/110F, 2-SPDT, Nema 4X, 1/4Hp, Coiled Bulb

Regular price $551.84 USD

Regular price Sale price $551.84 USD
Johnson Controls A28PA-2C Temperatureerature Control, Temperatureerature Control 30/110F (-1/43C) Elem Style 3Bul Coiled

Johnson Controls A28PA-2C Temperatureerature Control, Temperatureerature Control 30/110F (-1/43C) Elem Style 3Bul Coiled

Regular price $609.49 USD

Regular price Sale price $609.49 USD
Johnson Controls A28MA-1C Two Stage Temperature Control, 40/120F, 6' Cap,2-SPDT,Enc-Splash, 3/8 X 4" Bulb, 1Hp

Johnson Controls A28MA-1C Two Stage Temperature Control, 40/120F, 6' Cap,2-SPDT,Enc-Splash, 3/8 X 4" Bulb, 1Hp

Regular price $528.83 USD

Regular price Sale price $528.83 USD
Johnson Controls A28GJ-33C Temperature Control Two Stage, Setpoint 60/90F, 60" Cap, 2-SPDT

Johnson Controls A28GJ-33C Temperature Control Two Stage, Setpoint 60/90F, 60" Cap, 2-SPDT

Regular price $427.38 USD

Regular price Sale price $427.38 USD
Johnson Controls A28AA-70C Two Stage Temperature Control, 5/32C, Diff 3 Fixed, 1.8M Cap, 2-SPDT, Nema 1, 9.5 Mm X 146 Mm Bulb, 1Hp

Johnson Controls A28AA-70C Two Stage Temperature Control, 5/32C, Diff 3 Fixed, 1.8M Cap, 2-SPDT, Nema 1, 9.5 Mm X 146 Mm Bulb, 1Hp

Regular price $362.40 USD

Regular price Sale price $362.40 USD
Johnson Controls A28AA-4C Two Stage Temperature Control, 30/110F, Diff 3.5 Fixed, 2-SPDT, Nema 1, 1Hp, Coiled Bulb

Johnson Controls A28AA-4C Two Stage Temperature Control, 30/110F, Diff 3.5 Fixed, 2-SPDT, Nema 1, 1Hp, Coiled Bulb

Regular price $350.51 USD

Regular price Sale price $350.51 USD
Johnson Controls A28AA-36C Two Stage Temperature Control, 40/90F, 6' Cap, 2-SPDT, Nema 1, 3/8 X 5-3/4" Bulb, 1Hp

Johnson Controls A28AA-36C Two Stage Temperature Control, 40/90F, 6' Cap, 2-SPDT, Nema 1, 3/8 X 5-3/4" Bulb, 1Hp

Regular price $362.40 USD

Regular price Sale price $362.40 USD
Johnson Controls A28AA-29C Two Stage Temperature Control, 8' Cap, 2-SPDT, Nema 1, 3/8 X 4" Bulb, 1Hp

Johnson Controls A28AA-29C Two Stage Temperature Control, 8' Cap, 2-SPDT, Nema 1, 3/8 X 4" Bulb, 1Hp

Regular price $362.40 USD

Regular price Sale price $362.40 USD
Johnson Controls A72AE-1C Two Pole Temperature Control, 25/90F, Diff Adj, 6' Cap, Dpst, Encl-Outdr, 11/16 X 6-3/4" Bulb 1,

Johnson Controls A72AE-1C Two Pole Temperature Control, 25/90F, Diff Adj, 6' Cap, Dpst, Encl-Outdr, 11/16 X 6-3/4" Bulb 1,

Regular price $529.32 USD

Regular price Sale price $529.32 USD
Johnson Controls A72AA-3C Two Pole Temperature Control, 50/90F, Diff 3 - 30 Adj, 6' Cap, Dpst, Nema 1, 11/16 X 6-3/4" Bulb 1

Johnson Controls A72AA-3C Two Pole Temperature Control, 50/90F, Diff 3 - 30 Adj, 6' Cap, Dpst, Nema 1, 11/16 X 6-3/4" Bulb 1

Regular price $370.89 USD

Regular price Sale price $370.89 USD
Johnson Controls C450YNN-1C Power Module 230/24 Vac, Provides 24V To System 450 Module Assembly, 120Vac Or 240Vac Supply

Johnson Controls C450YNN-1C Power Module 230/24 Vac, Provides 24V To System 450 Module Assembly, 120Vac Or 240Vac Supply

Regular price $82.30 USD

Regular price Sale price $82.30 USD
Johnson Controls C450RCN-3C Reset Control Module2 Stage, with LCD 4 Button Touchpad Ui&SPDT Relay Output

Johnson Controls C450RCN-3C Reset Control Module2 Stage, with LCD 4 Button Touchpad Ui&SPDT Relay Output

Regular price $443.42 USD

Regular price Sale price $443.42 USD
Johnson Controls C450RBN-3C Reset Control Module 1 Stage, with LCD 4 Button Touchpad Ui & SPDT Relay Output

Johnson Controls C450RBN-3C Reset Control Module 1 Stage, with LCD 4 Button Touchpad Ui & SPDT Relay Output

Regular price $331.90 USD

Regular price Sale price $331.90 USD
Johnson Controls C450CRN-1C Control Module with Modbus Comm, LCD 4 Button Touchpad Ui & No Outputs

Johnson Controls C450CRN-1C Control Module with Modbus Comm, LCD 4 Button Touchpad Ui & No Outputs

Regular price $609.80 USD

Regular price Sale price $609.80 USD
Johnson Controls C450CPW-100C Control Module Ec Motor with LCD 4 Button Touchpad Ui Hybrid Analog Output And Optional High

Johnson Controls C450CPW-100C Control Module Ec Motor with LCD 4 Button Touchpad Ui Hybrid Analog Output And Optional High

Regular price $226.17 USD

Regular price Sale price $226.17 USD
Johnson Controls C450CEN-1C Control Module Ethernet Comm LCD 4 Button Touchpad Ui & No Outputs

Johnson Controls C450CEN-1C Control Module Ethernet Comm LCD 4 Button Touchpad Ui & No Outputs

Regular price $609.80 USD

Regular price Sale price $609.80 USD

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