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Robertshaw

Robertshaw is a manufacturer of controls and components for the HVACR, commercial cooking, and industrial equipment markets. The company's history dates to the early 20th century, and its product lines have been used in gas-fired appliances, heating systems, and process equipment for decades. Robertshaw's portfolio includes gas valves, thermostats, ignition modules, flame sensors, limit controls, and vibration switches. These components are found in furnaces, boilers, commercial ovens, fryers, griddles, and industrial burner management systems. The brand is known for mechanical and electromechanical controls that operate in demanding environments, with many models carrying agency approvals for hazardous locations and specific voltage/current ratings. 3G Electric supplies Robertshaw components globally, supporting maintenance, repair, and OEM replacement needs. The product range covers gas controls such as the Unitrol button, mechanical vibration sensor switches like the 6000-107, and electric cooking limit controls including the 66004 and 5225 series. These parts are specified by voltage, stem length, capillary length, dial range, and contact form. For example, the 6000-107 vibration switch has a DPDT contact form rated 7 A at 460 V AC, remote electrical reset, and is rated for hazardous locations. Electric cooking limit controls are available in fixed or adjustable dial configurations, with ratings from 120 V AC to 250 V AC, stem lengths from 1/4 in to 1 1/8 in, and capillary lengths up to 30 in. These controls are used to regulate temperature and provide overheat protection in commercial cooking appliances. 3G Electric maintains inventory of Robertshaw parts and provides technical support to help buyers match the correct control to their equipment. The company serves plant engineers, maintenance managers, and procurement specialists who require exact-fit replacements and documented specifications. Robertshaw controls are built to standard electrical and mechanical tolerances, with many models designed for direct replacement of original components. The brand's products are used in applications ranging from residential heating to industrial vibration monitoring. 3G Electric's catalog includes Robertshaw gas controls, electric cooking limit controls, and vibration sensor switches, with specifications such as contact ratings, voltage, and physical dimensions listed for each SKU. This allows buyers to verify compatibility before ordering. The company ships globally and supports the Robertshaw line with cross-reference assistance and technical documentation. For procurement, 3G Electric offers a range of Robertshaw SKUs, including the BLO10318 Unitrol button, the 5LUL4 vibration switch, and multiple electric cooking limit controls such as the 875MK1, 875MK3, 6KXJ0, 6KXH9, 875MK2, and 875MH2. Each product is described with its key specifications to aid selection. Robertshaw's focus on durable, application-specific controls makes its components suitable for continuous duty in commercial and industrial settings. 3G Electric's role is to supply these components with accurate part numbers and specifications, reducing downtime and ensuring proper fit. The company does not manufacture Robertshaw products but distributes them as part of its industrial equipment offering. Buyers can request quotes for specific Robertshaw part numbers, and 3G Electric will confirm availability and lead times. The brand's legacy in gas and electric controls is supported by a wide installed base, and 3G Electric aims to be a source for both common and hard-to-find Robertshaw parts. Technical details such as contact form, voltage rating, stem length, and capillary length are provided for each SKU to facilitate correct selection. This approach aligns with the needs of maintenance and procurement teams who require verifiable specifications and reliable supply.

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About Robertshaw

Robertshaw is a manufacturer of controls and components for the HVACR, commercial cooking, and industrial equipment markets. The company's history dates to the early 20th century, and its product lines have been used in gas-fired appliances, heating systems, and process equipment for decades. Robertshaw's portfolio includes gas valves, thermostats, ignition modules, flame sensors, limit controls, and vibration switches. These components are found in furnaces, boilers, commercial ovens, fryers, griddles, and industrial burner management systems. The brand is known for mechanical and electromechanical controls that operate in demanding environments, with many models carrying agency approvals for hazardous locations and specific voltage/current ratings. 3G Electric supplies Robertshaw components globally, supporting maintenance, repair, and OEM replacement needs. The product range covers gas controls such as the Unitrol button, mechanical vibration sensor switches like the 6000-107, and electric cooking limit controls including the 66004 and 5225 series. These parts are specified by voltage, stem length, capillary length, dial range, and contact form. For example, the 6000-107 vibration switch has a DPDT contact form rated 7 A at 460 V AC, remote electrical reset, and is rated for hazardous locations. Electric cooking limit controls are available in fixed or adjustable dial configurations, with ratings from 120 V AC to 250 V AC, stem lengths from 1/4 in to 1 1/8 in, and capillary lengths up to 30 in. These controls are used to regulate temperature and provide overheat protection in commercial cooking appliances. 3G Electric maintains inventory of Robertshaw parts and provides technical support to help buyers match the correct control to their equipment. The company serves plant engineers, maintenance managers, and procurement specialists who require exact-fit replacements and documented specifications. Robertshaw controls are built to standard electrical and mechanical tolerances, with many models designed for direct replacement of original components. The brand's products are used in applications ranging from residential heating to industrial vibration monitoring. 3G Electric's catalog includes Robertshaw gas controls, electric cooking limit controls, and vibration sensor switches, with specifications such as contact ratings, voltage, and physical dimensions listed for each SKU. This allows buyers to verify compatibility before ordering. The company ships globally and supports the Robertshaw line with cross-reference assistance and technical documentation. For procurement, 3G Electric offers a range of Robertshaw SKUs, including the BLO10318 Unitrol button, the 5LUL4 vibration switch, and multiple electric cooking limit controls such as the 875MK1, 875MK3, 6KXJ0, 6KXH9, 875MK2, and 875MH2. Each product is described with its key specifications to aid selection. Robertshaw's focus on durable, application-specific controls makes its components suitable for continuous duty in commercial and industrial settings. 3G Electric's role is to supply these components with accurate part numbers and specifications, reducing downtime and ensuring proper fit. The company does not manufacture Robertshaw products but distributes them as part of its industrial equipment offering. Buyers can request quotes for specific Robertshaw part numbers, and 3G Electric will confirm availability and lead times. The brand's legacy in gas and electric controls is supported by a wide installed base, and 3G Electric aims to be a source for both common and hard-to-find Robertshaw parts. Technical details such as contact form, voltage rating, stem length, and capillary length are provided for each SKU to facilitate correct selection. This approach aligns with the needs of maintenance and procurement teams who require verifiable specifications and reliable supply.

Common Applications

  • Commercial cooking equipment — Robertshaw 66004-AF80 electric cooking limit control for Whirlpool ovens and fryers, 240 V AC, 1 in stem.
  • Industrial vibration monitoring — Robertshaw 6000-107 mechanical vibration sensor switch with DPDT contacts, 7 A at 460 V AC, hazardous location rated.
  • Gas-fired appliance repair — Robertshaw Unitrol button (BLO10318) for gas control assemblies in heating and cooking equipment.
  • Commercial ovens and griddles — Robertshaw 5225-112 electric limit control with 100 to 450 dial, 30 in capillary, 250 V AC.
  • Foodservice equipment maintenance — Robertshaw 5502-307M electric cooking control for Nemco applications, 120 V AC, 1 1/8 in stem.
  • OEM replacement for Electrolux cooking appliances — Robertshaw 66004-AF71 electric limit control, 240 V AC, 3/4 in stem.

Frequently asked questions

Common questions about Robertshaw from 3G Electric.

What is the Robertshaw 6000-107 mechanical vibration sensor switch used for?

The Robertshaw 6000-107 is a mechanical vibration sensor switch with a DPDT contact form rated 7 A at 460 V AC. It features remote electrical reset and is rated for hazardous locations. It is used for industrial vibration monitoring to detect excessive vibration in machinery and equipment, providing a contact closure for alarm or shutdown circuits. The switch has overall dimensions of 3.75 in depth, 5.38 in width, and 3.06 in height. It is suitable for applications where mechanical vibration indicates a fault condition, such as in pumps, fans, or compressors. The remote reset allows the switch to be reset from a distance after a trip condition.

What are the specifications of Robertshaw electric cooking limit controls?

Robertshaw electric cooking limit controls are available in various configurations. They operate at voltages including 120 V AC, 240 V AC, and 250 V AC. Stem lengths range from 1/4 in to 1 1/8 in, and capillary lengths can be up to 30 in. Dial types include fixed and adjustable, with temperature ranges such as 100 to 450 or 440°F. These controls are used in commercial cooking equipment like ovens, fryers, and griddles to regulate temperature and provide overheat protection. Specific models include the 66004-AF80, 66004-AF63, 5225-112, 5225-054, 66004-AF71, and 5502-307M. Each model is designed for specific OEM applications, such as Whirlpool, GE, Electrolux, or Nemco.

What is the Robertshaw Unitrol button and where is it used?

The Robertshaw Unitrol button, SKU BLO10318, is a component used in gas control systems. Unitrol is a line of gas controls that includes valves, regulators, and operators for gas-fired appliances. The button is a replacement part for Unitrol gas control assemblies. It is used in applications such as commercial cooking equipment, heating systems, and industrial gas burners. The Unitrol button is typically part of a larger gas control valve or regulator, and its replacement can restore function to a gas control that is otherwise in good condition. 3G Electric supplies this part as a standalone item for maintenance and repair.

How do I select the correct Robertshaw electric cooking limit control for my equipment?

To select the correct Robertshaw electric cooking limit control, identify the OEM equipment manufacturer and model, then match the Robertshaw part number. Key specifications to verify include voltage rating (120 V AC, 240 V AC, or 250 V AC), stem length (e.g., 1/4 in, 1/2 in, 3/4 in, 7/8 in, 1 in, 1 1/8 in), capillary length (e.g., 30 in), dial type (fixed or adjustable), and temperature range. The part number often indicates the OEM application, such as 66004 for Whirlpool, GE, or Electrolux, and 5502 for Nemco. Cross-reference the existing control's markings with the Robertshaw catalog. 3G Electric provides detailed specifications for each SKU to assist in matching.

Are Robertshaw controls rated for hazardous locations?

Some Robertshaw controls are rated for hazardous locations. For example, the Robertshaw 6000-107 mechanical vibration sensor switch is rated for hazardous locations, making it suitable for use in environments where flammable gases or vapors may be present. This rating is important for industrial applications such as oil and gas, chemical processing, and other areas where explosion-proof equipment is required. Not all Robertshaw controls carry this rating; it is specific to certain models. Always verify the individual product specifications for hazardous location ratings. 3G Electric lists this information in the product details for applicable SKUs.

What is the difference between Robertshaw 66004 and 5225 series limit controls?

The Robertshaw 66004 and 5225 series are both electric cooking limit controls, but they differ in specifications and OEM applications. The 66004 series includes models like 66004-AF80, 66004-AF63, and 66004-AF71, which are rated for 240 V AC and have stem lengths of 1 in, 1/2 in, and 3/4 in respectively. They are designed for Whirlpool, GE, and Electrolux applications. The 5225 series includes models like 5225-112 and 5225-054, rated for 250 V AC, with dial ranges such as 100 to 450 and stem lengths of 1/4 in and 7/8 in, and a 30 in capillary. The 5225 series often includes a capillary for remote sensing, while the 66004 series may not. Always match the specific part number to the equipment.