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Designed for a 1/8" compression by 1/4" MNPT connection
While the 255°F thermal rating is common
This relay recycles instantly
always verify your specific Lennox sensor lead compatibility via the unit’s parts list before installation
Color-Coded Identification: Aqua housing allows for rapid visual identification of orifice size during field service and HVAC maintenance
Carrier HH18HZ195 Rollout Switch Designed for a 1/8" compressionThe 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,