This configuration is critical for paint spray booth applications

When diagnosing LP boiler firing issues

preventing short-cycling and protecting the heat exchanger from low-water events

Large Viewing Port: Provides a wide-angle view for immediate detection of bubbles or flash gas in the liquid line

As a versatile hot surface mini ignitor

Carrier HH18HC350 Rollout Switch 322057-301 This configuration is critical forThe Carrier HH18HC350 Rollout Switch is a critical safety component designed for high temperature monitoring in select Carrier, Bryant, and Payne gas fired furnaces and packaged RTU systems. This OEM flame rollout switch features a 350 degrees F fixed setpoint and a Single Pole Double Throw (SPDT) configuration. In the event of a "rollout" where flames escape the combustion chamber, the thermal sensitive coil triggers the manual reset rollout switch