Description
Robertshaw 5225-112 Manual Reset High-Limit Control
The Robertshaw 5225-112 is a high-limit safety control engineered to protect heating equipment from dangerous overtemperature conditions. Featuring a 450°F trip setpoint and a 30-inch capillary sensing element, this control is designed for demanding commercial and industrial HVAC and heating applications where reliable overheat protection is essential.
Key Features
- 450°F (232°C) high-limit trip setpoint for high-temperature application protection
- 30-inch capillary bulb for flexible remote sensing installation
- Manual reset (M/R) operation — requires deliberate operator reset after a trip event, preventing automatic restart
- Rugged construction built to withstand the rigors of commercial and industrial heating environments
- Designed for use with furnaces, boilers, duct heaters, and other high-temperature HVAC equipment
Why Manual Reset?
Manual reset high-limit controls are a critical safety feature in heating systems. Unlike automatic-reset controls, a manual reset device requires a technician or operator to physically reset the control after a high-temperature event. This ensures that the root cause of the overtemperature condition is identified and corrected before the equipment is returned to service, helping to prevent equipment damage, fires, and safety hazards.
Typical Applications
- Commercial and industrial furnaces
- Duct heaters and air handling units
- Boilers and hydronic heating systems
- Process heating equipment
- OEM replacement and retrofit installations
Product Specifications
- Brand: Robertshaw
- Model / SKU: 5225-112
- High-Limit Setpoint: 450°F
- Capillary Length: 30 inches
- Reset Type: Manual Reset (M/R)
- Control Type: High-Limit Safety Control
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