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Aftermarket Pilot Unloader Check Valve for Ingersoll Rand. This in-line piloted unloader check valve combination with relief valve, part number: 49816283-C. This combination valve has a 5/8" inverted flare inlet on the top where your main line from the compressor pump comes in. The bottom port on the valve is a 1/2" female NPT that connects to your existing fitting (commonly has a relief valve in the side) to attach to the tank. This valve comes equipped with a 325 PSI relief valve and a 1/8" female NPT port to install a throttle control valve that is factory set to kick on at 145 PSI and shut off at 175 PSI.
Specifications:
• Inlet: 5/8" Inverted Flare
• Tank Connection: 1/2" Female NPT
• Throttle Control Valve Port: 1/8" Female NPT
• Factory Set ON / OFF: 145-175 PSI
• Solid Brass
• OEM Part Number: 49816283-C
For Use With Ingersoll Rand T30 Gas Powered Air Compressors
On Sep 7, 2026 at 04:38:57 PDT, seller added the following information: