it maintains consistent HVAC belt tensioning

Broad Compatibility: Supports RTU/AHU

The robust NEMA 1 enclosure and dust-protected Pennswitch contacts offer long-term durability in demanding commercial environments

protecting the main control board and diagnostic sensors from irregular voltage

it features a rugged ABS-polycarbonate housing that facilitates mounting directly on chiller pads or low-wall positions where R-22 refrigerant

Laars Heating Systems 2400-446 Return Sensor 318518-761 it maintains consistent HVAC beltThe Laars Heating Systems 2400 446 Return Sensor is a precision thermistor designed for critical temperature monitoring within the hydronic return loop. Engineered specifically for compatibility with Laars Endurance and Pennant series boilers, this NTC thermistor provides real time feedback to the integrated control board to maintain tight setpoint differentials. Proper installation of this OEM replacement sensor is essential for accurate delta T