Carrier HH18HA226 Rollout Switch 322056-301 When performing a commercial HVAC

When performing a commercial HVAC heat exchanger replacement

The package includes multiple burner mounting brackets (13"

Built with a rugged brass body and a full 1-inch NPT pipe size

it requires a minimum differential pressure of approximately 0

the relay includes barbed nipples for 1/4" O

Carrier HH18HA226 Rollout Switch 322056-301 When performing a commercial HVACThe Carrier HH18HA226 Rollout Switch is a critical safety component designed for Carrier, Bryant, and Payne gas furnaces. Engineered to detect flame rollout conditionswhere burner flames escape the heat exchangerthis Single Pole Single Throw (SPST) switch protects the heating unit and surrounding structure from high temperature damage. This specific model triggers an open circuit at 320 degrees F, immediately interrupting the gas valve circuit to stop