ensuring bolt-hole alignment and flow capacity

the HK35AA009 is the current OEM substitute for both the HK25AZ070 and HK25AZ080

reducing mechanical slop and improving close-off reliability in chilled water

Integarl Mounting Flange or Strap and Bracket for Duct Mounting

Lennox 56W21 Limit Switch 318820-201 ensuring bolt-hole alignment and flowThe Lennox 56W21 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency furnaces and air handlers. This L160 30F limit switch is engineered to open the electrical circuit at 160F on a temperature rise and feature an automatic reset once the plenum cools to 130F. As a veteran grade HVAC replacement part, it is a direct match for the Lennox 46105 002 and is compatible with a wide array of Allied Air brands