and mixed-fuel applications

it features a counter-clockwise lead end (CCWLE) rotation

and system faults

Optimized System Efficiency: Maintains a steady liquid head

Reliable static pressure monitoring with high resistance to overpressure damage

Supco SHL514 Limit Switch 322838-753 and mixed-fuel applicationsThe Supco SHL514 Limit Switch is a mission critical L180 40 temperature control designed for direct integration into residential and commercial heating systems. Engineered for high temperature protection, this board mounted limit switch features a fixed open temperature of 180F to prevent heat exchanger damage and a fixed close temperature of 140F for reliable reset. As a normally closed SPST switch, it ensuring circuit continuity during standard