including this 30 amp contactor

What is the primary function of the included bracket

this kit features a 4-8 psi spring range and supports a 3/4-inch stroke

Also identified as Lennox 27M7801

Is the MARS 11969 compatible with 50Hz and 60Hz systems

Lennox 27K16 Limit Switch Els PW 17895 including this 30 amp contactorThe Lennox 27K16 is a heavy duty automatic reset limit switch specifically engineered for Lennox furnace and air handler applications. This critical safety component features a factory set thermal range designed to open at 175F and automatically close at 145F, effectively maintaining a 30F differential to prevent heat exchanger overheating. As a genuine OEM replacement part, the 27K16 ensures seamless integration into existing Lennox HVAC systems,