87F16 Furnace Primary Limit Switch Up To 140 F, High Precision Safety Control, Replaces 87F16 87F1601 L140-30F 36T01B3, Compatible With Lennox Furnaces, Durable Temperature Cutoff Switch For Home Heating
✔️ High-precision 140°F safety cutoff, 1-pack replacement for furnaces
The 87F16 primary limit switch is a safety device for residential furnaces. It detects overheating and automatically cuts power when the temperature reaches 140°F, protecting the heat exchanger and electrical components. This replacement supports multiple furnace models and is a quick, straightforward upgrade for DIY homeowners or professional techs.
✅ Up to 140°F cutoff
✅ Durable aluminum alloy and thermoplastic body
✅ Replaces part numbers L140-30F, 87F1601, 36T01B3, L140F-40
✅ Easy DIY install, 30 seconds
✅ 100% lifetime protection
💡 What is a furnace limit switch used for? It is a handy safety device that stops heat build-up by interrupting power when temp hits the limit. - It provides heat exchanger overheating protection for furnaces. - It reduces electrical stress and costly repairs. - It offers a simple, quick upgrade for DIY installation