Trane RLY1963 Relay 340155-7026 this part is factory-calibrated to

this part is factory-calibrated to a 0

this is the correct manufacturer-recommended replacement

this 2-piece valve ensures compliance with NSF/ANSI 372 and NSF 61-G standards for potable water systems

Is this switch suitable for high-limit safety circuits

the S1-024-20062-700 fits exactly into the standard oval mounting brackets found in York air handlers and condenser sections

Trane RLY1963 Relay 340155-7026 this part is factory-calibrated toThe 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