As a Copeland-approved component for POE oils

this frame offers the durability required for industrial and commercial applications

reducing installation time and ensuring proper airflow around the sensing element for accurate temperature control calibration

Whether you are servicing a Copper-Fin II boiler or a commercial water heater

Designed with a robust IP67 enclosure

McDonnell & Miller 150S-M-MD-HD HEAD R-410A As a Copeland-approved component forThe McDonnell & Miller 150S M MD HD serves as a direct replacement low water cut off head assembly for the 150S series combination pump controllers. Designed specifically for high pressure steam boiler applications, this heavy duty unit manages a maximum operating pressure of 150 psi (10. 5 kg cm). This specific model features a manual reset mechanism, which is critical for meeting safety codes in commercial boiler rooms where a manual restart is