Description
Robertshaw 5225-059 Fixed High-Limit Thermostat Overview
The Robertshaw 5225-059 is a fixed-setpoint, high-limit safety thermostat engineered for demanding commercial appliance and HVAC applications. With a factory-set trip point of 450°F, this thermostat provides reliable over-temperature protection without the risk of field adjustment, ensuring consistent and repeatable safety performance.
Key Features
- Fixed 450°F setpoint — non-adjustable for consistent, tamper-resistant protection
- Manual Reset (MR) operation — requires deliberate manual reset after a high-limit trip, preventing automatic restart until the fault is addressed
- 36″ capillary tube — provides flexible installation reach to remote sensing locations
- 5/16″ x 3-5/8″ nickel sensing bulb — durable nickel construction for corrosion resistance in high-temperature environments
- Designed for commercial cooking equipment, fryers, ovens, and HVAC high-limit applications
- Robertshaw 5225 series — a trusted platform for OEM and replacement high-limit thermostat applications
Product Specifications
- SKU: 5225-059
- Brand: Robertshaw
- Setpoint Temperature: 450°F (Fixed)
- Reset Type: Manual Reset (MR)
- Capillary Length: 36″
- Bulb Dimensions: 5/16″ diameter x 3-5/8″ length
- Bulb Material: Nickel (NI)
- Setpoint Type: Fixed (non-adjustable)
Application
The 5225-059 is ideal as an OEM replacement or new-installation high-limit thermostat in commercial foodservice equipment, industrial ovens, fryers, and heating appliances where a fixed, manually-reset over-temperature cutout is required. The nickel bulb offers excellent resistance to the oils, greases, and high-heat environments common in commercial kitchens and industrial settings.







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