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The Lennox 69W39 is a 190°F limit control (limit switch) for HVAC and furnace systems. It monitors system temperature and opens or breaks electrical contacts at the preset 190°F trip point to prevent overheating. The part is an OEM replacement (alternate part number 102135-06), sold individually, and is a small, lightweight safety device commonly used in Lennox and allied HVAC equipment.
190°F high-limit control for HVAC/furnace safety; OEM replacement MPN 69W39 (102135-06); sold individually.
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