McDonnell & Miller 345700 Float and Gaskets Refrigerant the P170MA-18 is designed for

the P170MA-18 is designed for non-corrosive refrigerants

Key Benefits for Technicians Factory-Calibrated 30# Setpoint: Provides accurate low-pressure protection specifically for R-22 systems without the need for manual adjustment

Precision Control: Utilizes a 3/8" orifice for accurate modulation in low-pressure distribution systems

while the 30" capillary provides the necessary reach for flexible bulb mounting on the suction line

Orifices and igniters are typically sold separately or can be reused from the existing manifold if they are within spec

McDonnell & Miller 345700 Float and Gaskets Refrigerant the P170MA-18 is designed forThe McDonnell & Miller 345700 (Model SA91 60) is a high precision replacement float and gasket kit engineered for heavy duty boiler water level control. As a critical component for Series 93, 193, 94, and 194 combination pump controllers and low water cut offs, this stainless steel float assembly ensures accurate buoyancy and reliable switch activation in high pressure steam environments. The SA91 60 replaces legacy models including the SA92 60 and