McDonnell & Miller 150S-M Pump Controller R-410A Precision Threading: Standard 3/4-inch NPT

Precision Threading: Standard 3/4-inch NPT connections ensure a leak-proof seal with existing pipework

Key Benefits for Technicians: Direct Cross-Reference: Validated replacement for 104L1853HS and SC15CLX

This OEM Lennox replacement part is built to the TOD 61F series standard

which is critical for protecting the compressor from liquid slugging and maximizing the refrigeration cycle efficiency of your HVAC system

High-Torque Performance: 1/2 to 3/4 HP range at 1050 RPM maintains required CFM in Bard wall-mount units

McDonnell & Miller 150S-M Pump Controller R-410A Precision Threading: Standard 3/4-inch NPTThe 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. Engineered for systems with a maximum pressure of 150 psi, this unit features a manual reset mechanism, ensuring that the burner circuit remains locked out following a low water event until a technician can verify the system's safety. The internal Monel bellows provides