Trane EXC2073 Heat Exchanger 321142-301 This is often caused by

This is often caused by a faulty electrode

Common Questions & Technical Support How does this relay protect the compressor

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always verify the specific wiring diagram and pole configuration in your unit to ensure it matches the sequence requirements of your heater bank

Trane EXC2073 Heat Exchanger 321142-301 This is often caused byThe Trane EXC2073 Heat Exchanger is a critical OEM component designed for high efficiency thermal transfer in industrial and commercial HVAC systems. This unit is the direct EXC1872 replacement, engineered to restore factory standard performance in compatible gas fired furnaces and rooftop units. Constructed from high grade aluminized steel, the EXC2073 is built to withstand rigorous thermal cycling while resisting the corrosive effects of flue gas