McDonnell & Miller 93-HD Pump Controller R-22 this valve provides the exact

this valve provides the exact pressure drop and flow rate needed to stabilize suction pressure across varying ambient conditions

making it suitable for demanding HVAC fan coil applications

Key Benefits Precision Modulating Control: The equal percentage flow design provides superior authority in hydronic and steam applications

Direct Replacement: Specifically replaces manufacturer part number P-D5-C1A1GS

it features a factory-set activation point of 160°F (71°C) with a strictly maintained tolerance of +7°F/-8°F

McDonnell & Miller 93-HD Pump Controller R-22 this valve provides the exactThe McDonnell & Miller 93 HD Pump Controller (Part Number 162400) is a heavy duty combination low water cut off and pump controller engineered specifically for commercial and industrial steam boiler systems. This unit features a specialized head mechanism designed for seamless integration into existing Model 93 or Model 193 float chambers. By utilizing two snap acting SPDT switches, it provides precise boiler feed pump control while ensuring critical