Trane VAL20518 Expansion Valve 30067439-890 Common Questions Is this sheave

Common Questions Is this sheave compatible with 3L or 5L belts

terminals 1 and 3 are for the 24V coil

it effectively directs supply air to pneumatic actuators and controllers when energized

Integrated Flame Sensing: Features a dual-purpose design with a built-in flame rod for accurate millivolt signal feedback to the ignition module

Trane VAL20518 Expansion Valve 30067439-890 Common Questions Is this sheaveThe Trane VAL20518 Expansion Valve is a genuine OEM 3 ton thermostatic expansion valve (TXV) specifically engineered for residential and light commercial HVAC systems utilizing R22 refrigerant. As a critical component in the refrigeration cycle, this valve regulates the flow of refrigerant into the evaporator coil based on heat load, maintaining precise superheat control. For technicians replacing failing metering devices, the VAL20518 is the direct