Trane EXC2073 Heat Exchanger 320788-703 the S1-025-30265-700 is identical to

the S1-025-30265-700 is identical to S1-2702-317

Direct OEM Replacement: Fully compatible with Nordyne

which prevents further mechanical damage and alerts the operator to a potential blockage or fan failure

shielding internal components from environmental debris and moisture during continuous operation

OEM Compatibility: Specifically designed to replace Cecilware CD140 and PLA006

Trane EXC2073 Heat Exchanger 320788-703 the S1-025-30265-700 is identical toThe 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