utilizing authentic Nor East Controls parts ensures the mechanical integrity of your industrial control valve assembly and prevents common leaks associated with improper stem seating

Safety First Construction: Features a physical interrupter and non-PCB oil to meet rigorous safety protocols

An A54 V-belt typically features a 1/2" top width and a 5/16" thickness

this fitting features an overall length of 1

Using non-spec seals can lead to improper compression and subsequent leaks

Lennox 21L89 Limit Switch utilizing authentic Nor East ControlsThe 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