Carrier 342890-75101 Housing Kit 320734-701 The McDonnell & Miller 150S-M

The McDonnell & Miller 150S-M is a commercial-grade float-type combination low water cut-off and pump controller designed for steam boilers in high-pressure industrial applications

sharing identical specifications and footprint

Engineered for precise temperature regulation

The S1156F model features a union solder inlet for reliable

This component is essential for maintaining peak thermal efficiency and reducing downtime in commercial and industrial heating applications

Carrier 342890-75101 Housing Kit 320734-701 The McDonnell & Miller 150S-MThe Carrier 342890 75101 Housing Kit is a critical OEM replacement assembly designed to restore factory spec airflow in residential fan coil units and central air systems. This comprehensive blower housing and wheel kit integrates a precision balanced centrifugal impeller within a high durability housing, ensuring optimal static pressure and volumetric flow rates across heating and cooling coils. As a direct replacement for legacy part numbers