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)

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® 1751 Series Add-on Pressure Regulator Kits are available for use on the following factory model types: 7000, 7010, 7100, 7200 and 7222. Each 1751 pressure
regulator kit provides straight-line regulation and includes all the necessary parts including instructions to convert a specific factory model gas valve.

Features and Benefits

Converts natural gas to LP
Not for use with hydraulic models which cannot be field converted
Includes all necessary parts for easy regulation conversion

The Robertshaw® line of replacement gas dials for gas valves come in many colors with various options.

Features and Benefits

Replacement dial for use with Unitrol® 7000 gas valves
Beige color with O

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

The 1830 Series Pilot Uni-Kit® models are designed to be used with all Robertshaw® and most competitive thermocouples. Uni-Kit models include an adaptor that converts a threaded thermocouple/thermopile model 2CH to a snap-in thermocouple type, model 2C.

Features and Benefits

Many flame pattern types available
Thermocouple or thermopile options
Spark electrode available
Horizontal or vertical gas inlet
Several mounting bracket types available
Aerated pilots with non-linting characteristics

1830 Series
The Robertshaw® 1830 Series Pilot Burner Safety Switch Kit is an ignition control with an embedded safety switch. The kit includes 10-680 electrode assembly. The control's sensing technology automatically detects when a flame is not present and shuts off gas flow to help prevent an unsafe condition. This hard-to-find part is a key replacement component for over 1,700 Carrier, Payne, and Bryant and Daynight (BPD) furnace models.