22856991 is the thermal valve cage used on a variety of Ingersoll Rand air compressors. This cage houses the thermal valve and spring. The thermal valve opens when the oil gets above 160+F to let the oil flow through the cooler.
22856991 is used on the following Ingersoll Rand rotary screw compressors
22856991 is an OEM thermal valve made from Ingersoll Rand
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