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such as the 12A09 or 12A39
This component features straight-thru body flow with 3/8" ODF sweat inlet and 1/2" ODF sweat outlet connections
these are specifically sized for the lower pressure and higher flow requirements of natural gas heating systems
It is the direct factory replacement for the 32001615-001/U
thermostats
Trane WIR3193 Wiring Harness such as the 12A09 orThe Trane WIR3193 Wiring Harness is a critical 8. 5 inch OEM replacement component engineered for high integrity electrical interfacing in residential heating and air conditioning systems. This harness serves as a stable conduit for power and control signals between system modules, ensuring consistent unit performance and electrical safety. Constructed with high grade, heat resistant insulation and precise terminal connectors, the WIR3193 wiring