Description
The Lennox 13U14 Hydrostat Limit Control is a precision-engineered safety and operating control designed for use in hydronic heating systems. It monitors boiler or system water temperature and acts as a protective limit device, shutting down the heating system when water temperature exceeds a safe threshold — helping prevent equipment damage and ensuring reliable, efficient operation.
Key Features
- Hydrostat limit control designed for hydronic heating applications
- Monitors system water temperature to prevent overheating
- Acts as a safety limit device to protect boiler and hydronic system components
- Genuine Lennox OEM replacement part (SKU: 13U14)
- Engineered for dependable, long-term performance in residential and light commercial systems
Application
The Lennox 13U14 is intended as a direct OEM replacement for compatible Lennox hydronic heating systems. It is ideal for HVAC technicians and contractors performing maintenance, service, or system upgrades on Lennox boiler and hydronic equipment.
Why Choose the Lennox 13U14?
- Genuine Lennox OEM part ensures proper fit and function
- Protects system investment by preventing thermal overload
- Supports safe, code-compliant hydronic system operation
- Easy drop-in replacement for qualified HVAC professionals









