MCDONNELL & MILLER Liquid Level Control Probe: G-3-SS Mfr Part #
SKU 3G-OTH-78220
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Frequently Asked Questions
What is the MCDONNELL & MILLER G-3-SS liquid level control probe used for?
The MCDONNELL & MILLER G-3-SS probe is used in HVAC and industrial systems to detect and control liquid levels in boilers, tanks, and vessels. It provides reliable on/off switching for pump control, low-water cutoff, or high-level alarms, helping prevent equipment damage and ensuring safe operation.
What are the specifications of the MCDONNELL & MILLER G-3-SS probe?
The G-3-SS is a stainless steel liquid level control probe with manufacturer part number G-3-SS. It is designed for use in water and other compatible liquids, offering corrosion resistance and durability in HVACR applications. For exact electrical ratings and pressure limits, consult the manufacturer's datasheet.
Where to buy the MCDONNELL & MILLER G-3-SS probe worldwide?
3G Electric supplies the MCDONNELL & MILLER G-3-SS probe worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this replacement HVACR probe.
How to install the MCDONNELL & MILLER G-3-SS liquid level probe?
Install the G-3-SS probe into a threaded or flanged opening in the tank or vessel, ensuring proper sealing. Connect wiring per the manufacturer's diagram, typically for normally open or closed contacts. Test the probe's operation by simulating liquid levels before putting the system into service.
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3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














