Collection: Thermostats
Thermostats, or temperature controlled switches, regulate temperature by turning on or off connected devices. They convert temperature data into an electric signal that in turn will trigger a mechanical or electronic switch or relay to control a heating or cooling system. There are many thermostats to choose from in our web store, from brands such as Siemens, Johnson Controls and Greystone Energy.
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Siemens 192-229 Room Thermostat, Dual Setpoint, RA Heat, DA Cool, Celsius, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-228 Room Thermostat, Dual Setpoint, DA Heat, RA Cool, Celsius, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-226 Room Thermostat, Pneumatic, Dual Setpoint, DA, D/N/Vent, Celsius, 3-pipe
Regular price $272.59 USDRegular priceSale price $272.59 USD -
Siemens 192-225 Room Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Celsius, 2-pipe
Regular price $260.30 USDRegular priceSale price $260.30 USD -
Siemens 192-224 Room Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Celsius, 2-pipe
Regular price $260.30 USDRegular priceSale price $260.30 USD -
Siemens 192-223 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe
Regular price $147.57 USDRegular priceSale price $147.57 USD -
Siemens 192-222 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 2-pipe
Regular price $147.57 USDRegular priceSale price $147.57 USD -
Siemens 192-221 Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe
Regular price $125.59 USDRegular priceSale price $125.59 USD -
Siemens 192-220 Room Thermostat, Pneumatic, Single Setpoint, DA Heat/Cool, Celsius, 1-pipe
Regular price $125.59 USDRegular priceSale price $125.59 USD -
Siemens 192-210 Room Thermostat, Pneumatic, Dual Setpoint, RA Heat/Cool, Fahrenheit, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-209 Room Temp Thermostat, Dual Setpoint, RA Heat, DA Cool, Fahrenheit, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-208 Room Temp Thermostat, Pneumatic, DA Heat, RA Cool, Fahrenheit, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-207 Room Temp Thermostat, DA, Heat/Cool, Fahrenheit, 2-pipe
Regular price $239.80 USDRegular priceSale price $239.80 USD -
Siemens 192-206 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night/Vent, Fahrenheit
Regular price $272.59 USDRegular priceSale price $272.59 USD -
Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit
Regular price $260.30 USDRegular priceSale price $260.30 USD -
Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit
Regular price $260.30 USDRegular priceSale price $260.30 USD -
Siemens 192-203 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 2-Pipe
Regular price $147.57 USDRegular priceSale price $147.57 USD -
Siemens 192-202 Room Temp Thermostat, Pneumatic, DA, Heat/Cool, Fahrenheit, 2-pipe
Regular price $147.57 USDRegular priceSale price $147.57 USD -
Siemens 192-201 Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 1 Pipe
Regular price $125.59 USDRegular priceSale price $125.59 USD -
Siemens 192-200 Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit
Regular price $125.59 USDRegular priceSale price $125.59 USD -
Johnson Controls A11E-6C Auto Reset Low Temp, Diff 12, 4' Cap, SPDT, 1Hp, Brkt, 1/8" X 20' Avg
Regular price $402.67 USDRegular priceSale price $402.67 USDSold out -
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 USDRegular priceSale price $402.67 USDSold out -
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 USDRegular priceSale price $425.55 USDSold out -
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 USDRegular priceSale price $386.20 USDSold out -
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 USDRegular priceSale price $400.84 USDSold out -
Johnson Controls A11A-13C Low Temp Cutout, 35/45F, SPST, Open Low, Bkt, 1 Hp, Open 37 +/-1.5F
Regular price $410.90 USDRegular priceSale price $410.90 USDSold out -
Johnson Controls A25CP-1C Air Temperature Cntl, Rod & Tube, 25/215F, Manual Reset, SPDT, Consealed Scale, Fm Approved, High Limit
Regular price $336.76 USDRegular priceSale price $336.76 USD -
Johnson Controls A25CN-4C Air Temperature Cntl, Rod & Tube, -4/101C, Manual Reset, SPDT, Mtg Flange, Knob Visible, High Limit
Regular price $258.07 USDRegular priceSale 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
Regular price $239.78 USDRegular priceSale price $239.78 USD -
Johnson Controls A28PJ-1C Two Stage Temperature Control, 30/110F, 2-SPDT, Nema 4X, 1/4Hp, Coiled Bulb
Regular price $551.84 USDRegular priceSale price $551.84 USD -
Johnson Controls A28PA-2C Temperatureerature Control, Temperatureerature Control 30/110F (-1/43C) Elem Style 3Bul Coiled
Regular price $609.49 USDRegular priceSale 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
Regular price $528.83 USDRegular priceSale price $528.83 USD -
Johnson Controls A28GJ-33C Temperature Control Two Stage, Setpoint 60/90F, 60" Cap, 2-SPDT
Regular price $427.38 USDRegular priceSale 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
Regular price $362.40 USDRegular priceSale 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
Regular price $350.51 USDRegular priceSale 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
Regular price $362.40 USDRegular priceSale price $362.40 USD -
Johnson Controls A28AA-29C Two Stage Temperature Control, 8' Cap, 2-SPDT, Nema 1, 3/8 X 4" Bulb, 1Hp
Regular price $362.40 USDRegular priceSale 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,
Regular price $529.32 USDRegular priceSale 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
Regular price $370.89 USDRegular priceSale price $370.89 USD -
Johnson Controls C450YNN-1C Power Module 230/24 Vac, Provides 24V To System 450 Module Assembly, 120Vac Or 240Vac Supply
Regular price $82.30 USDRegular priceSale price $82.30 USD -
Johnson Controls C450RCN-3C Reset Control Module2 Stage, with LCD 4 Button Touchpad Ui&SPDT Relay Output
Regular price $443.42 USDRegular priceSale price $443.42 USD -
Johnson Controls C450RBN-3C Reset Control Module 1 Stage, with LCD 4 Button Touchpad Ui & SPDT Relay Output
Regular price $331.90 USDRegular priceSale price $331.90 USD -
Johnson Controls C450CRN-1C Control Module with Modbus Comm, LCD 4 Button Touchpad Ui & No Outputs
Regular price $609.80 USDRegular priceSale price $609.80 USD -
Johnson Controls C450CPW-100C Control Module Ec Motor with LCD 4 Button Touchpad Ui Hybrid Analog Output And Optional High
Regular price $226.17 USDRegular priceSale price $226.17 USD -
Johnson Controls C450CEN-1C Control Module Ethernet Comm LCD 4 Button Touchpad Ui & No Outputs
Regular price $609.80 USDRegular priceSale price $609.80 USD