Description
Utica-Dunkirk HTEX Surface Temperature Switch – OEM Boiler Safety Control
The Utica-Dunkirk 240009508 is an OEM surface temperature switch engineered specifically for HTEX series boilers. Designed to monitor surface temperatures and interrupt system operation when unsafe conditions are detected, this switch is a critical safety and control component in hydronic heating systems. Using a genuine OEM replacement ensures proper fit, reliable performance, and continued system protection.
Key Features
- OEM replacement surface temperature switch for Utica-Dunkirk HTEX series boilers
- Monitors surface temperature to protect against overheating conditions
- Acts as a high-limit safety device to shut down the system when threshold temperatures are exceeded
- Direct drop-in replacement for original equipment — no modifications required
- Ensures continued safe, efficient operation of your hydronic heating system
- Built to Utica-Dunkirk OEM specifications for lasting reliability
Application
This surface temperature switch is intended for use with Utica-Dunkirk HTEX series boilers. It is ideal for HVAC technicians and service professionals performing routine maintenance, safety inspections, or component replacement on residential and light commercial hydronic heating systems.
Why Choose OEM Parts?
Using genuine Utica-Dunkirk replacement parts like the 240009508 guarantees compatibility with your existing boiler system, preserves manufacturer warranties, and ensures the safety controls perform exactly as designed. Avoid system downtime and costly callbacks by specifying the correct OEM component every time.







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