Features
Features A421 Standard model
Control Front Panel LCD:
Displays the temperature, parameters, and status and allows you to adjust the backlight intensity for ambient light conditions. Custom icons display the system and control status.
Basic and Advanced Programming Menu:
Provides two levels of parameter adjustment and control setup, allowing you to set up advanced features in one menu and easily adjust basic parameters in the other menu.
On/Off Temperature Adjustment:
Allows you to select the temperature values at which the relay turns On and Off, which automatically defines the Heating or Cooling mode of operation.
Switch-Activated Temperature Setback:
Allows you to shift the On/Off temperature by an adjustable setback value. When a user-supplied switch closes the binary input control circuit, the control operates at the defined setback temperatures.
Adjustable Anti-Short Cycle Delay:
Allows you to select the minimum time the output relay remains off before the next on cycle; avoiding short cycling, hard starts, and nuisance overload outages on compressors and other inductive applications.
Adjustable Sensor Offset:
Allows you to adjust the displayed temperature to the actual sensed temperature.
Optional Restricted Adjustment Mode:
Allows you to restrict the On/Off adjustment to your defined temperature range.
Sensor Failure Mode:
Allows you to select the relay On/Off state in the event of a sensor or sensor wire failure.
Backlight Brightness Level:
Allows you to adjust the LCD backlight intensity.
Extra Features A421 Defrost model
Off-Cycle Defrost:
Allows you to shut off the refrigeration system for defined defrost time interval and frequency. You can also start or stop a manual only defrost offcycle.
Extra Features A421 Timer model
Free-Cooling and Ventilation:
Allows you to adjust for free-cooling and timed-ventilation, and provides over-cooling protection.

700 Series - 24 Volt Combination
The Robertshaw® 700 Series 24 Volt Combination Gas Valves offer replacement flexibility. With capacities ranging to 720,000 BTU, three-position outlets and multi-positional capability, these combination gas valves offer unlimited replacement possibilities. The 24 Volt Uni-Kit® models are suitable for either natural or LP gas. The valve is factory set at 3.5” WC natural gas. A regulator cover plate is included to convert to LP gas.

Features and Benefits
Gas cock dial marking Off - Pilot - On
Pilot outlet 1/4” tubing
Ambient temperature of -40°F to 175°F
Combination screw/spade terminal type
Maximum inlet pressure 14” WC (0.5 PSI)
Standard NEMA terminals
Inlet filtered screen
Various gas types: natural, manufactured, mixed, LP, and LP/air mixtures
Multiple actuators available
RoHS compliant

700 Series - 24 Volt Combination
The Robertshaw® 700 Series 24 Volt Combination Gas Valves offer replacement flexibility. With capacities ranging to 720,000 BTU, three-position outlets and multi-positional capability, these combination gas valves offer unlimited replacement possibilities. The 24 Volt Uni-Kit® models are suitable for either natural or LP gas. The valve is factory set at 3.5” WC natural gas. A regulator cover plate is included to convert to LP gas.

Features and Benefits
Gas cock dial marking Off - Pilot - On
Pilot outlet 1/4” tubing
Ambient temperature of -40°F to 175°F
Combination screw/spade terminal type
Maximum inlet pressure 14” WC (0.5 PSI)
Standard NEMA terminals
Inlet filtered screen
Various gas types: natural, manufactured, mixed, LP, and LP/air mixtures
Multiple actuators available
RoHS compliant

The P70 and P170 Controls for high pressure applications are designed primarily for high pressure cut-out control, head-pressure control, and condenser fan cycling control on commercial refrigeration and air conditioning applications.

The Robertshaw® 720 Series 24 Volt Dual Gas Valve is a six-function gas valve incorporating a manual valve, safety shut-off magnet, dual automatic valves, main gas regulator, and pilot adjustment. Models are available with and without a pressure regulator. Uni-Kit® models are factory set at 3.5” WC for natural gas, but can be converted to LP by installing the regulator conversion kit included. The wiring connections, manual selector and adjustments are easily accessible on top of the valve. With a 3-9/16” swing radius, the 720 Series lends itself well to replacing many OEM valves. Valve can be mounted in any position except upside down.

Features and Benefits
Gas cock dial marking Off - Pilot - On
Pilot outlet 1/4” tubing
Ambient temperature of -40°F to 175°F
Combination screw/spade terminal type
Maximum inlet pressure 14” WC (0.5 PSI)
Standard NEMA terminals
Inlet filtered screen
Various gas types: natural, manufactured, mixed, LP, and LP/air mixtures
Multiple actuators available
RoHS compliant

The Robertshaw® Carbide Series Hot Surface Ignitors deliver dependable ignition in heating systems of every description: furnaces, boilers, rooftop heaters, infrared burners, unit heaters, water heaters, and many other types of HVAC equipment.

Features and Benefits

Made from high-purity recrystallized silicon carbide. (Crystar™) which combines physical and thermal strength with stable electrical properties
Designed to reach ignition temperature(s) within 17 seconds
Have 18-gauge nickel chrome lead wires embedded and metalized in place for maximum holding strength and electrical conductivity
Manufactured with lead wires enclosed in a special high-temperature fiberglass insulation providing electrical protection
Operate at 120V AC. Some modules are rated form 208/240V input, however, the voltage to the ignitor is stepped down to 120V AC

Line service valve 1/8" copper tubing, wrench cap and core

Features/Benefits

⅛" Copper Tubing
Made of CDA 360 brass
Wrench Cap and Core

Use this solenoid valve to accurately measure gas or liquid flowing through hoses. It can also manually or automatically charge or recover refrigerants.

Line service valve ¼" copper tubing, wrench cap and core

Features/Benefits

¼" Copper Tubing
Made of CDA 360 brass
Wrench Cap and Core

Fin whisk brush

Features/Benefits

Long lasting, sturdy Bristle Design

The Copeland Scroll Digital Refrigeration compressor family is designed for superior efficiency and performance for low temperature applications.

Line service valve 3/8" copper tubing, wrench cap and core

Features/Benefits

3/8" Copper Tubing
Made of CDA 360 brass
Wrench Cap and Core

Line service valve 5/16" copper tubing, wrench cap and core

Features/Benefits

5/16" Copper Tubing
Made of CDA 360 brass
Wrench Cap and Core

Line Service Valve 3/16" Copper Tubing, Wrench Cap and Core

Features/Benefits

3/16" Copper Tubing
Made of CDA 360 brass
Wrench Cap and Core

Product Features
Meets OEM performance specifications
High performance synthetic PAG for R134a systems provides excellent resistance to moisture
Anti-Wear Agents and Friction Modifiers enhance compressor wear rates which extend compressor life
Anti-Oxidants protect system against formation of sludge which can shorten compressor life and reduce system efficiency
Contains UV Dye for Leak Detection
Low 46 cSt viscosity

Size: 18 X 24 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 20 X 25 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 12 X 24 X 4
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 14 X 25 X 2
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Single-Component, Acetoxy Silicone Sealant
Tremsil® 200 is a single-component, acetoxy silicone sealant. Tremsil 200 cures to a flexible rubber when exposed to moisture present in the air.

Basic Uses
Tremsil 200 produces a weathertight seal to glass, metal, porcelain, ceramic and most painted surfaces.
Tremsil 200 sealant is suitable for use in kitchens, bathrooms and spas.

Size: 18 X 24 X 4
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 20 X 20 X 4
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 12 X 24 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 16 X 20 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 10 X 20 X 2
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 20 X 25 X 4
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 18 X 20 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.

Size: 15 X 20 X 1
The unique design and construction of the Q-Air throwaway polyester panel filter eliminates air bypass and optimizes air filtration. The 100% polyester media is upgraded from fibreglass and the high-quality chipboard frame, made from recycled content, ensures durability. The specialized adhesive and filter frame construction improves airborne particulate removal, resulting in better air quality.