Grundfos 59896786 Pump Els PW 17895 a sensor with a cracked

a sensor with a cracked ceramic insulator or deep pitting must be replaced to ensure the safety circuit remains intact and grounded properly

it facilitates efficient brazing and high-reliability performance under extreme operating conditions up to 690 PSIG

You will need to install two D4S sensor heads and wire them back to the 'Sensor 2' terminals on the D4P120

Is this sheave balanced for smooth operation

erratic head pressure modulation

Grundfos 59896786 Pump Els PW 17895 a sensor with a crackedThe Grundfos 59896786, model UP15 55SUC, is a single speed stainless steel circulator pump engineered for precision performance in domestic hot water recirculation and open loop heating systems. Operating at 230V with a 1 13 HP motor, this canned rotor pump integrates the motor and pump into a single unit without a shaft seal, utilizing the pumped liquid for bearing lubrication to ensure whisper quiet operation. The AISI 304 stainless steel housing