and TD121 models

the S1-025-27174-000 is built to withstand the rigorous thermal fluctuations and mechanical vibrations common in HVACR environments

Periodically disassemble the unit to clean the valve head or replace the internal element to restore the tight-shutoff performance required for steam efficiency

For 230V applications

Common Questions Is the Lennox 15G21 compatible with 460V systems

Lennox 10Y47 Control Module R-22 and TD121 modelsThe 10Y47 is a genuine OEM Lennox 10Y47 Control Module designed for high efficiency ECM 5. 0 programmable motors. As a veteran technician, you know that the Genteq 5. 0 EON module is critical for maintaining the precise airflow and variable speed performance required in Elite Series and high tonnage Lennox residential systems. This Lennox replacement part is engineered to interface directly with the motors internal sensors, regulating torque and RPM