maintaining the necessary water seal between the boiler and the steam trap siphon loop

this relay maintains low contact resistance and high dielectric strength across its operational lifespan

the internal junction has likely degraded

this flange ensures your controllers receive the precise data needed for efficient facility management

Trane RLY1172 Fan Relay Els PW 17895 maintaining the necessary water sealThe Trane RLY1172 is a high performance SP4T fan relay designed for precise fan motor control in commercial and residential HVAC systems. Built to handle 230V line voltage at a 16A FLA (Full Load Amperage) rating, this heavy duty relay is activated by a standard 24V coil. The single pole, four throw configuration allows for versatile circuit switching, making it a critical component for managing multiple fan speeds or auxiliary equipment in air