Field technicians rely on the RHGP-G for its rugged construction and repeatable setpoints

While it can be used with a compatible 11-pin socket

it provides near-zero resistance to airflow

it prevents expansion valve clogging and compressor damage from contaminants

McDonnell & Miller 344300 Shield Assembly 30067439-890 Field technicians rely on theThe McDonnell & Miller 344300 Shield Assembly, recognized as Model SA69 104, is a critical replacement component engineered for the 69 Series Low Water Cut Off (LWCO). Designed specifically for steam boiler applications, this assembly provides a protective surround for the float, safeguarding internal mechanisms against scale buildup and turbulent water conditions that could lead to nuisance tripping. For technicians servicing float type controls,