S1-7660-3591 Coleman limit switch L150-20F OEM
S1-7660-3591 Coleman limit switch L150-20F OEM
The S1‑7660‑3591 Coleman Limit Switch (L150‑20F) is an OEM high‑temperature safety switch used in Coleman/York residential and manufactured‑housing furnaces. It opens at 150°F and automatically resets once temperatures drop by 20°F, protecting the heat exchanger and burner compartment from overheating. This model is a direct‑fit replacement for furnaces that specify an L150‑20F, 3" limit, ensuring proper airflow protection and safe furnace operation. Its OEM construction provides accurate temperature response and long‑term reliability in high‑heat environments.
🔧 What this limit switch does
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Opens at 150°F to prevent overheating
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Auto‑resets at 20°F below trip temperature
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Protects heat exchanger and burner compartment
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OEM fit for Coleman/York/MHP furnace models
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3" mounting style commonly used in mobile home furnaces
Limit switch shuts down gas valve if overheating occurs. L150-20F. Size 60T11.
1652, 7660-359, 200181, L150-20F
Replaces 200274, 7660-359, 7724-359 & 7724-3591. A/R Lower Limit; 150Op 130Cl