39459912 MURPHY Ingersoll Rand Oil Level Switch

Review MURPHY 971 Ingersoll Rand Low Oil Level Switch

The Murphy 39459912 971 Ingersoll Rand Oil Level Switch is an essential component for ensuring the optimal performance of your air compressor. This switch, manufactured by Murphy Products, is specifically designed for Ingersoll Rand air compressors and is engineered to provide accurate and reliable oil level sensing.

The oil level switch is built with a robust and durable design, featuring a heavy-duty cast aluminum body that can withstand the rigors of continuous use in industrial environments. Its compact size of 3.5 inches in length, 2.5 inches in width, and 1.75 inches in height makes it a perfect fit for most Ingersoll Rand compressors.

The switch employs a float-operated mechanism to sense the oil level in the compressor's crankcase. When the oil level drops below the recommended level, the float sinks, and the switch closes, signaling an alert or shutting off the compressor to prevent potential damage from low oil levels. Once the oil level is restored, the float rises, and the switch opens, allowing the compressor to resume operation.

This Murphy 39459912 971 Ingersoll Rand Oil Level Switch comes with a standard 1/4 NPT threaded connection, making it easy to install and connect to the compressor's oil tank. The switch is also equipped with a built-in test button, allowing users to quickly and easily test the switch's functionality without the need for any additional tools.

The Murphy 39459912 971 Ingersoll Rand Oil Level Switch is designed to operate in temperatures ranging from -40 F to 150 F (-40 C to 65 C), ensuring reliable performance in a wide range of operating conditions. Its high-quality construction, combined with its accuracy and reliability, makes it an indispensable component for maintaining the optimal performance and longevity of your Ingersoll Rand air compressor.

The Ingersoll Rand Murphy Oil Level Switch, model number 39459912, is a device designed to automatically shut off an air compressor when the oil level drops below a certain point. Here are some pros and cons that might help you decide whether to purchase this switch:

1. Ensures Compressor Protection: The oil level switch helps prevent compressor damage by automatically shutting down the compressor when the oil level is low.

2. Increases Compressor Lifespan: Regularly checking and maintaining oil levels can help increase the lifespan of your compressor.

3. Saves Energy: By ensuring the compressor runs only when there is sufficient oil, the switch helps save energy and reduces operating costs.

4. Easy Installation: The switch can typically be installed in a few simple steps, without requiring significant modifications to the compressor system.

1. Additional Cost: Purchasing an oil level switch adds to the initial cost of buying a compressor.

2. Requires Regular Maintenance: The switch needs to be checked and maintained regularly to ensure it is functioning properly.

3. May Not Work with All Compressors: Not all compressors are compatible with this particular oil level switch. Be sure to check the compatibility before making a purchase.

In conclusion, the Ingersoll Rand Murphy Oil Level Switch can help protect your compressor from damage, increase its lifespan, save energy, and provide peace of mind. However, it comes with additional costs, requires regular maintenance, and may not be compatible with all compressors. Ultimately, the decision to purchase this switch depends on your specific needs, budget, and the compressor you are using. If you frequently use your compressor and want to ensure its longevity, the switch may be a worthwhile investment.

Details:

Oil level shutdown switch, can adapt to all types of crankcases, part#l971, 15700090 crankcases part#l971.

specifications compressorshow:

• brand: Murphy
• mpn: 39459912
• part type: Oil Switch

seller compressorshow:

• rating: 100.0%
• city: rio vista, california
• # reviews: 202

shipping compressorshow:

• transit: 9-15 days
• carrier: usps
• class: expedited
• service: usps priority mail
• type: calculated

returns compressorshow:

• policy: no returns

offer compressorshow:

• options: ship-to-home
• best offers: true
• started: november 20, 2025
• in stock #: 2
• prices: $139.00–$150.00
• item condition: New – Open box
• sold #: 13
• availability: in stock

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Blowers > Air Compressors

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