Siemens Building Technology 141-0518 Switch 318518-761 Reliable Protection: Guards the compressor

Reliable Protection: Guards the compressor against liquid slugging by maintaining a consistent superheat at the evaporator outlet

Always verify the model and serial number on the furnace nameplate before installation

Precision Machined: Maintains strict tolerances for 1-inch blower bearings

What is the difference between NPT and other thread types for this valve

Enhanced System Logic: Provides accurate timing for blower motors and heating elements to maximize efficiency

Siemens Building Technology 141-0518 Switch 318518-761 Reliable Protection: Guards the compressorThe Siemens 141 0518 141 0518 Airflow Switch is a high performance differential static pressure switch engineered for precision air monitoring in duct systems. This rugged HVAC pressure controller features a field adjustable setpoint range of 1. 0 to 12. 0 inches Water Column (WC), allowing for accurate sensing of pressure variations across fans, filters, and coils. Designed with a Single Pole Double Throw (SPDT) switch configuration, the 141 0518