Lennox 27K12 Limit Switch Els PW 17895 This dual run capacitor features

This dual run capacitor features a primary 35 MFD section for the compressor (HERM) and a secondary 3 MFD section for the condenser fan motor (FAN)

As a genuine HVAC high limit sensor

verify the part number against your unit's specific technical guide or look for the 20-inch lead configuration on your current sensor

the CTR2579 drops into existing mounting patterns found in Trane and American Standard units

Lennox 27K12 Limit Switch Els PW 17895 This dual run capacitor featuresThe Lennox 27K12 Limit Switch is a critical safety component designed for precise thermal regulation within various residential furnace and HVAC systems. Engineering as a normally closed (NC) switch, this automatic reset limit switch is tasked with monitoring heat exchanger temperatures to prevent hazardous overheating conditions. It features a specific 3 inch insertion depth, allowing for accurate probe placement within the supply plenum air stream.