Heil Quaker/ICP 1320368 Gas Furnace Auxiliary Limit Switch

The Heil Quaker/ICP 1320368 Gas Furnace Auxiliary Limit Switch is a rugged, OEM-grade safety component designed for Heil Quaker/ICP gas furnaces. This essential gas furnace safety switch monitors temperature and reliably interrupts gas flow to prevent overheating, protecting both equipment and occupants.

Designed for use on a wide range of models, including NTN3050FBG1, NTG3050FBG1, NDN3050FBG1, NBF050B12G1, FBF050B12G1, NDF050B12G1, NTN3075FBG1, NTG3075FBG1, NDN3075FBG1, NBF075B12G1, FBF075B12G1, NDF075B12G1, NTN3075HFG1, NTG3075HFG1, NDN3075HFG1, NBF075F16G1, FBF075F16G1, NDF075F16G1, NTG3100GFG1, NDN3100GFG1, FBF100F14G1, NDF100F14G1, NTN3100LJG1, NTG3100LJG1, NBF100J22G1, FBF100J22G1, NTN3125KJG1, NTG3125KJG1, NDN3125KJG1, NBF125J20G1, FBF125J20G1, NDF125J20G1 — and more. This broad compatibility makes it a reliable replacement part for ongoing furnace safety and performance.

• Compatibility – fits a wide range of Heil Quaker/ICP natural gas furnaces for hassle-free replacement.
• Safety-first design – actively protects equipment by cutting gas when overheating is detected.
• OEM-grade reliability – built to meet original specifications for long-lasting operation.
• Easy installation – designed for straightforward replacement with existing wiring and mounting.
• Durable construction – engineered to withstand furnace heat cycles and harsh environments.