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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
As the legitimate OEM Trane replacement part
Robust Brass Construction: Heavy-duty brass body 1/2" NPT solenoid valve provides the structural integrity needed for high-cycle commercial use
Essential Safety Hardware: Protects the heat exchanger and system plumbing from the effects of restricted airflow or failed primary thermostats
Use a manometer to verify the inducer is pulling the required WC (Water Column) pressure
Using this on R-22 equipment will result in the system failing to trip at the correct safety thresholds
McDonnell & Miller 159S Controller Els PW 29614 As the legitimate OEM TraneThe McDonnell & Miller 159S Controller (Part Number 178802) is a specialized combination low water cut off and pump controller designed for heavy duty commercial and industrial steam boiler applications. Operating at a maximum pressure of 150 psi, this unit integrates a float operated mechanism with dual bi metal snap acting switches to ensure precise level management. The configuration features one SPST switch dedicated to pump control and a second