MCDONNELL & MILLER Liquid Level Control Probe: P-3-SS Mfr Part #

The MCDONNELL & MILLER P-3-SS liquid level control probe is used in HVAC and industrial systems to detect and regulate water or liquid levels in boilers, tanks, and receivers. It provides reliable on/off control for pumps, valves, and alarms, helping prevent low-water or overflow conditions in steam and hot water applications.

The MCDONNELL & MILLER P-3-SS is a stainless steel liquid level control probe with manufacturer part number P-3-SS. It is designed as a replacement component for HVACR pumps, valves, and tubing systems. The probe is used for sensing liquid levels and triggering control actions in industrial equipment.

You can source the MCDONNELL & MILLER P-3-SS probe worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this replacement probe.

To install the MCDONNELL & MILLER P-3-SS probe, first ensure power is off and system is drained. Mount the probe in the designated tank or pipe opening, typically using a threaded connection. Wire the probe to the control circuit per the manufacturer's wiring diagram. Test for proper liquid level sensing before returning to service.