Description
Patterson-Kelley Hi-Limit Thermostat — 100–240°F
The Patterson-Kelley 23-0000-0230 is a precision-engineered hi-limit thermostat designed to protect boilers and hydronic heating systems from dangerous overtemperature conditions. With a broad sensing range of 100°F to 240°F, this control provides dependable high-limit cutout performance across a wide spectrum of commercial and industrial heating applications.
Key Features
- OEM Patterson-Kelley replacement part — ensures proper fit and function
- Wide operating range: 100°F to 240°F (38°C to 116°C)
- Hi-limit thermostat function — shuts down system on overtemperature to prevent equipment damage
- Designed for boiler and hydronic heating system applications
- Direct OEM replacement for Patterson-Kelley equipment
- Supports safe, reliable system operation and longevity
Application
This hi-limit thermostat is a direct OEM replacement component for Patterson-Kelley boilers and water heaters. It monitors system water temperature and interrupts operation when temperatures exceed the safe threshold, protecting heat exchangers, piping, and connected equipment from thermal damage. Ideal for commercial and light-industrial hydronic heating systems where precise high-limit control is critical.
Specifications
- SKU: 23-0000-0230
- Brand: Patterson-Kelley
- Type: Hi-Limit Thermostat
- Temperature Range: 100°F – 240°F
- Application: Boiler / Hydronic Heating Systems







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