McDonnell & Miller 157S-RL Controller Refrigerant Key Benefits Universal Compatibility: Engineered

Key Benefits Universal Compatibility: Engineered as a direct drop-in for York 120V 3-Pole systems

this specific part is designed with a 1/2-inch bore

The activated charcoal relies on chemical adsorption at a molecular level

including 18 AWG flame sensor lead

The 108681-01 is the official direct replacement for 102946-01 and 101639-01

McDonnell & Miller 157S-RL Controller Refrigerant Key Benefits Universal Compatibility: EngineeredThe McDonnell & Miller 157S RL (Part Number 176902) is a heavy duty combination low water cut off and pump controller designed explicitly for steam boilers with an integral water column. This model features alternate tappings including 1 2" NPT connections for gauge glass and tri cocks, providing versatile installation options for commercial and industrial applications. Built with a Monel bellows for superior corrosion resistance and a snap acting