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Those systems require Polyolester (POE) lubricants to ensure proper miscibility and protection
and hot gas defrost applications across multiple refrigerant types
Enhanced Durability: Built with high-grade internal components to resist scale buildup and ensure long-term LP gas flow accuracy
Precise Fitment: Replaces cross-referenced numbers B1401009 and B1401018
This part should only be installed by a qualified HVAC technician
McDonnell & Miller 94-1 Replacement Casting Freon Those systems require Polyolester (POE)The McDonnell & Miller 94 1 Replacement Casting is a heavy duty cast iron body engineered specifically for Series 94 low water cut off and pump controller assemblies. This OEM replacement part is critical for restoring the structural integrity of steam boiler water columns when the original housing suffers from scaling, pitting, or internal erosion. Built to withstand a maximum pressure of 250 psi, this casting features 1 1 4" NPT equalizing piping