The Ranco® ETC Series Electronic Temperature Control offers a full-featured electronic replacement for electrical-mechanical temperature controls used in many commercial refrigeration applications. With its wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage input, the ETC is designed to provide application flexibility. Models available include 120/208/240V AC and 24V AC.

Features and Benefits

Anti-short cycle compressor delay for cooling applications
Wide temperature range (-30°F to 220°F) (-34.4°C to 104.4°C)
Wide differential adjustment (1°F to 30°F) (-17°C to -1°C)
LCD read-out for sensor temperature, control settings, and relay status
High Amp output relay (FLA 16 Amps @ 120V AC and 8 Amps @ 208/240V AC) single stage
EEPROM memory retains control settings during power outages
Keypad lockout to prevent end-user alteration of settings
8 foot lead with sensor is extendable up to 400 feet using 18 or 22-gauge thermostat wire
Easy 4-step set-up
Heavy-duty relay is 1 HP rated
Selectable °F or °C heating/cooling modes
Single and two stage models
NEMA 1 case and cover
NEMA 4X models available
White backlight on display
Sensor rated IP67 for dust and water (<1m) resistance

The Ranco® ETC Series Electronic Temperature Control offers a full-featured electronic replacement for electrical-mechanical temperature controls used in many commercial refrigeration applications. With its wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage input, the ETC is designed to provide application flexibility. Models available include 120/208/240V AC and 24V AC.

Features and Benefits

Anti-short cycle compressor delay for cooling applications
Wide temperature range (-30°F to 220°F) (-34.4°C to 104.4°C)
Wide differential adjustment (1°F to 30°F) (-17°C to -1°C)
LCD read-out for sensor temperature, control settings, and relay status
High Amp output relay (FLA 16 Amps @ 120V AC and 8 Amps @ 208/240V AC) single stage
EEPROM memory retains control settings during power outages
Keypad lockout to prevent end-user alteration of settings
8 foot lead with sensor is extendable up to 400 feet using 18 or 22-gauge thermostat wire
Easy 4-step set-up
Heavy-duty relay is 1 HP rated
Selectable °F or °C heating/cooling modes
Single and two stage models
NEMA 1 case and cover
NEMA 4X models available
White backlight on display
Sensor rated IP67 for dust and water (<1m) resistance

The Ranco® ETC Series Electronic Temperature Control offers a full-featured electronic replacement for electrical-mechanical temperature controls used in many commercial refrigeration applications. With its wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage input, the ETC is designed to provide application flexibility. Models available include 120/208/240V AC and 24V AC.

Features and Benefits

Anti-short cycle compressor delay for cooling applications
Wide temperature range (-30°F to 220°F) (-34.4°C to 104.4°C)
Wide differential adjustment (1°F to 30°F) (-17°C to -1°C)
LCD read-out for sensor temperature, control settings, and relay status
High Amp output relay (FLA 16 Amps @ 120V AC and 8 Amps @ 208/240V AC) single stage
EEPROM memory retains control settings during power outages
Keypad lockout to prevent end-user alteration of settings
8 foot lead with sensor is extendable up to 400 feet using 18 or 22-gauge thermostat wire
Easy 4-step set-up
Heavy-duty relay is 1 HP rated
Selectable °F or °C heating/cooling modes
Single and two stage models
NEMA 1 case and cover
NEMA 4X models available
White backlight on display
Sensor rated IP67 for dust and water (<1m) resistance

The Ranco® ETC Series Electronic Temperature Control offers a full-featured electronic replacement for electrical-mechanical temperature controls used in many commercial refrigeration applications. With its wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage input, the ETC is designed to provide application flexibility.

Features and Benefits

Anti-short cycle compressor delay for cooling applications
Wide temperature range (-30°F to 220°F) (-34.4°C to 104.4°C)
Wide differential adjustment (1°F to 30°F)
LCD read-out for sensor temperature, control settings, and relay status
High Amp output relay (FLA 16 Amps @ 120V AC and 8 Amps @ 208/240V AC) single stage
EEPROM memory retains control settings during power outages
Keypad lockout to prevent end-user alteration of settings
8 foot lead with sensor is extendable up to 400 feet using 18 or 22-gauge thermostat wire
Easy 4-step set-up
Heavy-duty relay is 1 HP rated
Selectable °F or °C heating/cooling modes
Single and two stage models
NEMA 1 case and cover
NEMA 4X models available
White backlight on display
Sensor rated IP67 for dust and water (<1m) resistance

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Paragon® 9045-00 and 9145-00 Universal Defrost Timers (UDT) are the only multi-voltage defrost timers engineered to industry refrigeration standards. Designed to withstand the most rigorous refrigeration applications, this control offers a real-time clock and 100 hours of power loss protection for both time and defrost schedules. Mechanism-only models also are available to fit in standard defrost timer enclosures.

Features and Benefits

Certified to UL873 standard for temperature-indicating and regulating equipment
Wires directly to 120V AC, 208V AC or 240V AC power sources without jumpers or switches
Rated to 30,000 cycles for refrigeration controllers with switches
Easy programming, easy set-up, set time, set defrost start and defrost end
Initiate 15 minute manual defrost
100 hours of power loss protection for both time and defrost schedule
Real-time clock
Lighted display shows defrost start time and duration
System status indicators

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

Features and Benefits

Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

The Robertshaw® aluminum tubing is versatile for all your replacement needs. It comes in a full range of sizes in 50 foot and 5 foot lengths.

Features and Benefits

Aluminum tubing meets ASTMB Standard #483
Uses a 1435 alloy with a 0.035" wall thickness
Tubing is rated at 90 PSI with an 11,000 tensile, 9500 yield and a 25% elongation

Bushing 3/4" x 1/2"

The Robertshaw® aluminum tubing is versatile for all your replacement needs. It comes in a full range of sizes in 50 foot and 5 foot lengths.

Features and Benefits

Aluminum tubing meets ASTMB Standard #483
Uses a 1435 alloy with a 0.035" wall thickness
Tubing is rated at 90 PSI with an 11,000 tensile, 9500 yield and a 25% elongation

The Robertshaw® 2374 Series Adjustable Air Sensing Switches are designed to replace a wide variety of air sensing switches found in residential and light commercial applications including furnaces, electronic air cleaners and humidifiers. Two models are currently available with adjustable ranges. Both models are provided with an SPDT switch that can be actuated by positive or negative pressure or by pressure differential. Highly accurate, these switches are practically insensitive to temperature change with an operating temperature range of -40°F to 190°F (-40°C to 88°C). Each switch includes mounting hardware and an adjustment tool for easy installation and calibration.

Features and Benefits
Field adjustable control set point
Air sample line connectors will accept 1/8”, 1/4” or 3/8” tubing
Electrical connection is 1/4” spade
Vertical operating mounting position for diaphragm
UL File Number MH6213, CSA File Number LR18754

The Robertshaw® 2374 Series Adjustable Air Sensing Switches are designed to replace a wide variety of air sensing switches found in residential and light commercial applications including furnaces, electronic air cleaners and humidifiers. Two models are currently available with adjustable ranges. Both models are provided with an SPDT switch that can be actuated by positive or negative pressure or by pressure differential. Highly accurate, these switches are practically insensitive to temperature change with an operating temperature range of -40°F to 190°F (-40°C to 88°C). Each switch includes mounting hardware and an adjustment tool for easy installation and calibration.

Features and Benefits
Field adjustable control set point
Air sample line connectors will accept 1/8”, 1/4” or 3/8” tubing
Electrical connection is 1/4” spade
Vertical operating mounting position for diaphragm
UL File Number MH6213, CSA File Number LR18754

The Robertshaw® 2374-510 Air Pressure Sensing Switch has a glass-filled polycarbonate housing containing a sensing diaphragm and an integral snap-acting switch with three male 90° quick-connect terminals. The switch can sense positive, negative or differential air pressure. The field adjustable set point range of this switch is 0.10” WC to 10.0” WC. Using the switch accessories contained in this kit, the switch can be applied to a wide variety of residential and light commercial HVAC applications.

2374-510 Kit Contents
Air pressure sensing switch
Calibration springs (5 options)
Orifice flows (4 options)
Mounting brackets (2 options)
Calibration tool (hex wrench)