MCDONNELL & MILLER Liquid Level Control Probe: 354140 Mfr Part #
SKU 3G-OTH-78455
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Frequently Asked Questions
What is the MCDONNELL & MILLER 354140 liquid level control probe used for?
The MCDONNELL & MILLER 354140 remote probe is used for liquid level sensing in HVAC and industrial boiler systems. It detects water or other conductive fluids to control pump operation, low-water cutoff, or alarm functions, helping prevent equipment damage and maintain safe system operation.
What are the specifications of the MCDONNELL & MILLER 354140 probe?
The MCDONNELL & MILLER 354140 is a remote probe with manufacturer part number 354140. It is designed for liquid level control applications. For detailed electrical ratings, pressure limits, and material construction, consult the product datasheet or contact 3G Electric for technical support.
Where to buy the MCDONNELL & MILLER 354140 probe worldwide?
3G Electric supplies the MCDONNELL & MILLER 354140 remote 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 component.
How to install the MCDONNELL & MILLER 354140 liquid level probe?
Install the MCDONNELL & MILLER 354140 probe in the tank or vessel at the desired level setpoint. Ensure the probe tip is clean and fully immersed in the conductive fluid. Follow the manufacturer's wiring diagram for connection to the control circuit. Always isolate power before installation and verify system compatibility.
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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.














