ensuring the system shuts down the burner if heat exchanger temperatures exceed safe operational limits

this unit stays intact during brief startup surges typical of motors and transformers

and PRO 3000

it acts as a robust upgrade for 370V-only components

it is specifically designed to transition and branch 1-1/8" OD tubing

White-Rodgers 3L09-28 Limit Switch ensuring the system shuts downFor service technicians requiring a precise thermal safety solution, the White Rodgers 3L09 28 Limit Switch delivers industrial grade performance in a compact 1 2" bimetal disc package. This board mounted limit control is specifically engineered with a 3. 12" insertion length to monitor internal plenum temperatures effectively. The switch features a fixed open temperature of 210 degrees F and a fixed close temperature of 180 degrees F, providing a