The 440Vac rating provides an essential safety margin for 370V applications

and PRO 3000

or improper manifold pressure causing flames to roll out of the burner opening during the ignition cycle

Unlike universal knobs

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

White-Rodgers 3L09-28 Limit Switch The 440Vac rating provides anFor 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