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

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

operating within a temperature range of 14°F to 194°F

This sweat-type expansion valve is typically supplied with the integrated power element and capillary tube

ensuring the burner circuit is interrupted at the exact calibrated water level

Carrier HH18HC350 Rollout Switch 322057-301 Large Viewing Port: Provides aThe 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