Lennox 21L89 Limit Switch The unit is built with
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
The unit is built with a 24VAC coil and is rated for 30 amps inductive or 40 amps resistive loads
Always verify lead length to ensure the 36-inch reach is sufficient for your specific appliance footprint
it allows for immediate visual verification of thermostat settings without the need to remove the housing
including Intertherm and Miller mobile home furnaces
It serves as a critical final step in preventative maintenance for commercial ice makers
Lennox 21L89 Limit Switch The unit is built withThe Lennox 21L89 Limit Switch is a critical safety component designed for precise thermal regulation in Lennox HVAC systems. This auto limit switch features a 3 inch insert and is engineered to open the electrical circuit if the heat exchanger temperatures reach the 210F to 240F range. As a direct OEM replacement part, the 21L89 is identical to the 21L8901, ensuring a drop in fit for contractors maintaining residential furnaces and air handlers. This