Carrier HH18HC350 Rollout Switch 321894-708 Simplified Install: The dual 1/4"

Simplified Install: The dual 1/4" barb design and standard spade terminals allow for a "plug-and-play" swap during service calls

Key Benefits for Installation Corrosion Resistance: The 316 stainless steel trim ensures longevity when used with aggressive water chemistries or high-temperature hydronic loops

making it a drop-in replacement for standard 14-ton circuits in rooftops and chillers where high-efficiency R407C compression is required for system maintenance or upgrades

ensuring proper combustion air throughput and venting of flue gases

though it does not carry the CE certification

Carrier HH18HC350 Rollout Switch 321894-708 Simplified Install: The dual 1/4"The 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