Designed with a 1-1/4" Rotolock connection and a 7/8" ODF solder connection

Key Benefits for Technicians: Optimized Flow: High 4

but the technical specifications are identical

5" WC (Water Column) range and utilizes Setra’s patented stainless steel capacitive sensing element

Safety Integrity: Vital component for maintaining UL 555 fire-resistance ratings in commercial and industrial HVAC installations

Trane RLY1963 Relay 318172-701 Designed with a 1-1/4" RotolockThe Trane RLY1963 Relay is a heavy duty HVAC fan time delay relay engineered for precise air handler and furnace blower control. Operating on a 24V coil, this DPDT fan relay is rated for a 6A inductive load, making it a reliable choice for commercial and residential sequences. The integrated timing logic provides a 60 second ON delay and a 120 second OFF delay, optimizing heat exchanger cooling and preventing short cycling of the blower motor. This