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  • Watertight Temperature Controllers

    Watertight Temperature Controllers
    See all 30 items in product family
    Watertight Temperature Controllers Are Used In a Variety of Industrial, Commercial, and HVAC Environments.

    Watertight temperature controllers are made of high quality materials for durability and corrosion resistance. Units detect and regulate temperature change for heating and cooling applications. Heavy duty, weather resistant enclosure protects against water spray, humidity, airborne contaminates, and other corrosive conditions. High visibility display and controls allow convenient temperature set points for user ease. Some units include an ergonomic plug-in installation for efficient and portable temperature control. Controllers are available in various capillary and lead wire lengths ranging from 9.8" to 10' as well as coiled capillary. Bulb sizes range from 2 to 4-1/16". Types are Digital Electronic and Mechanical. Switch actions are SPDT, 2-SPDT, and 4-SPDT. Stages are Single, 2, and Multi Stage. Voltage ranges from 24 to 600/240/208/120/24. Temperature ranges from -40 to 120°F to -40 to 212°F. UL listed. Dimensions vary per model.
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  • Digital Temperature Controllers

    Digital Temperature Controllers
    See all 7 items in product family
    Digital Temperature Controllers Are Used In A Variety Of Commercial And HVAC Environments.

    Digital temperature controllers are made of thermoplastic for durability and impact resistance. Controllers provide single stage or multi-stage, line-voltage electronic temperature control for refrigeration and HVAC applications. LCD front panel control, programming menu, and temperature adjustment allow ergonomic operation control and climate visibility. Units accept surface or DIN rail mounting. Includes temperature sensor with 2" standard probe and PVC cable. Features sensor failure mode, adjustable sensor offset, and more. Voltages are 24 and 120/240. Temperature ranges are -40 to 212°F. UL listed. Dimensions vary per model.

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  • Mechanical Temperature Controllers

    Mechanical Temperature Controllers
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    Mechanical Temperature Controllers Are Used In a Variety of Industrial, Commercial, and HVAC Environments.

    Mechanical temperature controllers are made of high quality materials for durability and corrosion resistance. Units provide temperature control and limits for heating and cooling system applications. Remote bulb and coiled and direct immersion controls regulate air or liquid temperature for ducts, pipes, tanks, and more. Liquid-filled copper elements provide rapid sensing for compressor system control. Set point control allows convenient temperature adjustability for user ease. Capillary lengths range from 1 to 20'. Switch actions are Analog, Main: Open Low - Aux: Close High, SPDT, 2-SPDT, 4-SPDT, SPST, SPST - Open Low, SPST - Open High, and more. Stages are Single, 2, and 4. Voltage ranges from 30/24 to 600/240/208/120/24. Temperature ranges from -30 to 50°F to 200 to 550°F. UL listed. Dimensions vary per model.

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  • Pressure & Limit Controllers

    Pressure & Limit Controllers
    See all 11 items in product family
    Pressure And Limit Controllers Provide Pressure Control For Vapor Heating Systems.

    Pressure And Limit Controllers are available in a variety of options. Beacon Manual Pressure Controllers feature 1/4" female SAE connection, bistable disc and open pressure on rise. Choose from several pressure ranges. Honeywell Controllers feature modulating pressure operating control for regulation of liquid or air and other non-corrosive gases. Manual reset controller offers high pressure limit switches. Honeywell Controllerse are available in a variety of types, sizes and PSI ranges.

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  • Tempco TEC-402 & TEC-404 Temperature Controllers

    Tempco TEC-402 & TEC-404 Temperature Controllers
    See all 4 items in product family
    Tempco TEC-402 & TEC-404 Temperature Controllers Provide Reliable Temperature Regulation In A Variety Of Commercial Heating Systems.

    Tempco TEC-402 & TEC-404 Temperature Controllers are made of high quality materials for lasting durability and dependability. Offers temperature control with deviation meter or digital display for increased accuracy. On/off or time proportional selections include wide selection of output options for versatile operation in many environments. UL, CSA and CE approvals. Temperature range is 50-850° F. Control mode is Proportional. Din. type is 1/14. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Aquastats

    Aquastats
    See all 65 items in product family
    "Aquastats Automatically Regulate Supply Or Loop Water Temperature To Provide Outdoor Reset.

    Aquastats (Aquatrol Outdoor Temperature Compensators) are solidly manufactured for long lasting durability and dependability. A wide selection of multi-function and single function controller models are available to control boiler temperature, or floating control mixing or injection valves, or circulator for injection mixing. Selected features include automatic reset curve calculation, selectable Warm Weather Shut Down, push-to-test button and troubleshooting LED indicators. Choose various Well Assemblies and Mounting Clamps for 1/2 and 3/4 inch piping. White-Rodgers™ Fast Response Direct Immersion Control and Surface Mount Hydronic Temperature Control also available.

    "
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  • Tempco TEC-901 Temperature Controllers

    Tempco TEC-901 Temperature Controllers
    See all 2 items in product family
    Tempco TEC-901 Temperature Controllers Provide Maximum Heat Regulation In Industrial And Commercial Applications.

    Tempco TEC-901 Temperature Controllers are made of high quality materials for lasting durability and dependability. Offers temperature control with deviation meter or digital display for increased accuracy. On/off or time proportional selections include wide selection of output options for versatile operation in many environments. UL, CSA and CE approvals. Temperature range is 50-850° F. Control mode is Proportional. Din. type is 1/16. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Tempco TEC-9100 Temperature Controllers

    Tempco TEC-9100 Temperature Controllers
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    Tempco TEC-9100 Temperature Controllers Provide Reliable Temperature Regulation In A Variety Of Commercial Heating Systems.

    Tempco TEC-9100 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. type is 1/16. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Tempco TEC-220 & TEC-920 Temperature Controllers

    Tempco TEC-220 & TEC-920 Temperature Controllers
    See all 6 items in product family
    Tempco TEC-220 & TEC-920 Temperature Controllers Are Used For Controlling Temperatures In A Variety Of Heat Applications.

    Tempco TEC-220 & TEC-920 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and six types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/16 and 1/32. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Tempco TEC-910 Temperature Controller

    Tempco TEC-910 Temperature Controller
    See all 1 items in product family
    Temperature Controller - Prog, 90-250V, Relay2A, Hi-Limit, TEC-910 Protects Personnel, Equipment And Materials From Over-Temperature Process Conditions.

    Temperature Control - Prog, 90-250V, Relay2A, Hi-Limit, TEC-910 is constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Highly accurate universal input power with 18 bit analog to digital converter. UL, CSA, CE and FM approvals. Temperature ranges based on input. Control mode is PID. Din. type is 1/16. Color finish is Black/Blue. Size is 1.87 in. L x 1.87 in. W x 3.75 in. D. Package quantity is 1.

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  • Tempco TEC-9500 & TEC-4500 Temperature Controllers

    Tempco TEC-9500 & TEC-4500 Temperature Controllers
    See all 8 items in product family
    Tempco TEC-9500 & TEC-4500 Temperature Controllers Provide Reliable Temperature Regulation In A Variety Of Commercial Heating Systems.

    Tempco TEC-9500 & TEC-4500 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Ramp and soak programmable control allows for up to 5 programmable outputs. Nine recipes available using 64 segments maximum per recipe. Recipe can be divided into 3 lengths: 16, 32 or 64 segments. Programs to any segment or end of recipe. Highly accurate universal input with 18 bit analog to digital converter. Programming port available for PC connection allowing quick set-up. Lockout protection guards against unauthorized setting changes. Bumpless transfer allows continued temperature setting if sensor fails. Short panel depth required. UL, CSA and CE approvals. Current transformer and adapter plate also available. Temperature ranges based on input. Control mode is PID. Din. types are 1/16 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model.

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  • Tempco TEC-9300 Temperature Controllers

    Tempco TEC-9300 Temperature Controllers
    See all 3 items in product family
    Tempco TEC-9300 Temperature Controllers Provide Reliable Temperature Regulation In A Variety Of Commercial Heating Systems.

    Tempco TEC-9300 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED dual digital display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/8 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Cooling Tower Termperature Controllers

    Cooling Tower Termperature Controllers
    See all 9 items in product family
    Cooling Tower Temperature Controllers Are Used For Automatic Control Of Heavy Electrical Loads In Commercial and Industrial Refrigeration Applications.

    Cooling Tower Temperature Controllers provide control over temperature in refrigeration applications. All controls feature 6' capillary length. Two Pole Heavy Duty Temperature Controls incorporate a vapor charged sensing element and heavy duty contacts. The double-pole single-throw contact block contains two isolated sets of contacts that make or break simultaneously. Cooling Tower Temperature Controls provide adequate head pressure by controlling fan or water flow on evaporative condensers and cooling towers. Made with DPST contacts. Available in two varieties that either open or close on temperature drop. Available in a variety of bulb sizes. Coiled Bulb Space Thermostat sold separately.

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  • Tempco TEC-8100 Temperature Controllers

    Tempco TEC-8100 Temperature Controllers
    See all 6 items in product family
    Tempco TEC-8100 Temperature Controllers Regulate Temperatures In Industrial And Commercial Heat Systems.

    Tempco TEC-8100 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/16, 1/8 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Supco Universal Cold Controller

    Supco Universal Cold Controller
    See all 1 items in product family
    Supco Universal Cold Controller Is Widely Used As A Replacement Control For Refrigerators Or Freezers.

    Supco Universal Cold Controller operates by manual dial for long lasting durability. Electrical control ensures equipment continues to function until a new permanent control is installed. Mounting options are Suction Cup, VELCRO®Brand or Screw Attachment. Rated for 80 amps LRA and 20 amps FLA. Designed for use on units up to 1/2 HP.

    VELCRO® is a registered trademark of Velcro BVBA, used with permission.

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  • Tempco TEC-4300 Temperature Controllers

    Tempco TEC-4300 Temperature Controllers
    See all 6 items in product family
    Tempco TEC-4300 Temperature Controllers Regulate And Configure Heating And Cooling Operations For Multiple Programmable Outputs.

    Tempco TEC-4300 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED dual digital display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/8 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Tempco TEC-4100 Temperature Controllers

    Tempco TEC-4100 Temperature Controllers
    See all 3 items in product family
    Tempco TEC-4100 Temperature Controllers Provide Efficient Temperature Regulation In Industrial And Commercial Heat Systems.

    Tempco TEC-4100 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/8 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Tempco TEC-8300 Temperature Controllers

    Tempco TEC-8300 Temperature Controllers
    See all 6 items in product family
    Tempco TEC-8300 Temperature Controllers Are Used For Industrial And Commercial Heat Regulation Applications.

    Tempco TEC-8300 Temperature Controllers are constructed with a non-corrosive NEMA 4X IP65 gasketed front panel and other high quality materials for lasting durability and dependability. Provides clear LED dual digital display and easy to use temperature and process controllers with auto-tuning fuzzy logic PID heat and cool control. Short panel depth and universal programmable sensor input and multiple types of outputs available with output 2 for programming as output or alarm. Highly accurate universal input power with 18 bit analog to digital converter. Bumpless transfer to manual mode during sensor failure. Wide variety of alarm mode selections and RS-485 and RS-232 data communications interface. UL, CSA and CE approvals. Temperature ranges based on input. Control mode is PID. Din. types are 1/8 and 1/4. Color finish is Black/Blue. Dimensions and voltages vary per model. Package quantity is 1.

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  • Temperature Actuated Pneumatic Switches

    Temperature Actuated Pneumatic Switches
    See all 6 items in product family
    Temperature Actuated Pneumatic Switches Are Used For Low Cutout Applications.

    Temperature Actuated Pneumatic Switches control integral pneumatic switches when the sensed temperature reaches control set point. Auto recycle or manual reset capability, barb fitting permits push-on 1/4" tubing connection, and controls have a sight-set calibrated scale to show setpoint. Adjustments can be made without removing the control cover. Duct mounting flange sold separately. Available in 6¿and 9¿ lengths in a variety of bulb sizes and temperature ranges.

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