Its primary function is to regulate gas flow to the pilot burner

the 1186788 is the direct manufacturer-recommended superseding part for the 1171780 rectifier board

Use a multimeter to check for continuity across the terminals when the system is cool

maintaining the original integrity of the furnace safety circuit

Durable Construction: Built to withstand commercial duty cycles with an EAC certification and compliance with various RoHS standards

Carrier HH18HZ195 Rollout Switch Its primary function is toThe Carrier HH18HZ195 Rollout Switch is a critical safety component designed for Carrier furnace flame rollout protection. This OEM furnace safety switch features a Single Pole Single Throw (SPST) configuration with an automatic reset function, ensuring the system remains operational once safe temperatures are restored. Engineering specifications dictate a precise 195F open point to interrupt the heating cycle during abnormal combustion conditions,