Lennox 56M13 Limit Control SwitchThe Lennox 56M13 control limit component delivers precise safety interlock for compatible Lennox HVAC systems. This dedicated replacement part helps maintain proper limit conditions and protects your furnace from overheating. Designed for quick installation and reliable operation, the Lennox 56M13 supports seamless system compatibility and long term durability. Compatible with HVAC units that rely on accurate limit control signals, it ensures

The red brass body houses a stainless steel stem and seat

relay timer setups

Size: 2-3/4 in W x 2-5/16 in D x 4-1/4 in H

and dependable performance for improved safety and efficiency

Wall-mount type for easy installation and neat home integration

keeping your packaged system operating at optimal levels

This Humidifier Float Valve Assembly helps regulate water levels

CSA (Canada and US) approved and designed for outdoor use with upright mounting

or performing routine service

7 VA driving

reducing hot water fluctuations and scald risk

Its compact form fits tight panels while maintaining robust contact integrity