Pay in 4 interest-free payments of $7.74 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
always verify your regulator settings before installation
Key Benefits for HVACR Contractors Durable Construction: Fabricated from 304 stainless steel to resist oxidation and scale buildup in hot or chilled water applications
Technical specs confirm a 30A-40A current rating
those two part numbers represent the same technical component
this relay serves as a vital safety interlock
Lennox 79J89 Limit Switch always verify your regulator settingsThe Lennox 79J89 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in Lennox residential and commercial furnaces. This 140 170F AUTO Limit Switch functions as a primary safety mechanism, monitoring internal plenum temperatures to prevent heat exchanger damage or unsafe operating conditions. Engineered with a 170F cut out temperature and a 140F cut in temperature, this automatic reset limit switch ensures the
US$ 129.97
US$ 89.95
US$ 85.00
US$ 134.95
US$ 109.95
US$ 64.97
US$ 109.95