Description
The Trane CNT0428 is a Single-Pole Single-Throw (SPST) temperature control designed for precise sensing and switching in HVAC and hydronic applications. Featuring an integrated immersion well and capillary tube, this control monitors fluid or pipe temperatures within a 20°F to 80°F operating range, making it well-suited for low-temperature sensing, freeze protection, and system safety applications.
Key Features
- SPST (Single-Pole Single-Throw) switching action for straightforward on/off control
- Operating temperature range: 20°F to 80°F
- Includes immersion well for direct fluid or pipe temperature sensing
- Capillary tube design allows flexible remote bulb placement
- OEM Trane replacement part — engineered for reliable, long-term performance
- Ideal for hydronic heating, chilled water, and low-temperature HVAC systems
Applications
- Freeze protection and low-limit control in hydronic systems
- Chilled water temperature sensing and switching
- Fan or pump enable/disable based on fluid temperature
- OEM replacement in Trane commercial HVAC equipment
Product Details
- Brand: Trane
- SKU: CNT0428
- Switch Type: SPST
- Temperature Range: 20°F to 80°F
- Includes: Immersion Well & Capillary Tube
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