Trane NUT0587 Nut 319825-402 Extended Capillary Reach: The 30"

Extended Capillary Reach: The 30" sensing lead allows for professional routing and secure insulation of the thermal bulb

Utilizing factory-authorized parts like the 48TM660005 ensures that the heating section operates within original equipment specifications

Replacement is recommended when the differential pressure reaches 10 psi or during annual maintenance intervals to prevent energy loss and oil carryover

or "Hardware Failure" (HF) and communication error codes on the main system controller

Diagnostic LED flashes will typically pinpoint internal logic or communication failures

Trane NUT0587 Nut 319825-402 Extended Capillary Reach: The 30"The Trane NUT0587 (replaces NUT00587) is a heavy duty Trane OEM Hex Cap Nut specifically engineered for high vibration HVAC environments. This mechanical fastener features a . 38 16 thread pitch and is constructed from high tensile zinc plated steel to resist corrosion in condensation prone areas like evaporator coils and condenser fan assemblies. As a veteran grade HVAC hardware component, it provides critical thread engagement and protection for