The Trane RLY01355 Relay (model AZ2900-1A-24AP) is a reliable SPST (Single Pole Single Throw) relay specifically designed for blower motor control in HVAC systems. Operating on a 24V coil at 50/60Hz, this normally open relay ensures consistent and safe switching for Trane air handler units and furnaces. Key Features OEM Trane part for assured compatibility and performance 24V coil compatible with standard low-voltage HVAC control systems SPST, Normally Open configuration ideal for blower motor applications Durable construction for long-lasting service in demanding environments Quiet operation and fast response switching Specifications Part Numbers: RLY01355, AZ2900-1A-24AP Voltage: 24VAC Frequency: 50/60Hz Configuration: SPST (Single Pole, Single Throw), Normally Open Application: Blower motor relay Mounting: Standard HVAC panel mount Compatible Models TWE120D3R3AA, TWE180E404AA, TWE073E3R3AA, TWE120EWR4AA, TWE150E403AA, TWE240E3R3BA, TWE120E4R3AA, TWE150EWR4BA, TWE240EWR4BA, TWE120D4R4AA Why Choose This Item Choose the Trane RLY01355 blower motor relay for its precision control, OEM reliability, and seamless integration with a wide range of Trane air handler systems. It's engineered for durability and consistent switching, making it a trusted solution for restoring or maintaining HVAC system performance.