Carrier PP23BB006 Oil 320720-756 Always cross-reference the Lennox 51W90

Always cross-reference the Lennox 51W90 specific pressure rating with your technical service manual

the CNT2237 is a proprietary Trane defrost controller

Universal Voltage Compatibility: Rated for both 120V/60Hz and 110V/50Hz cycles

the 2721-456 features a standard end-hinge configuration used by major burner manufacturers to allow for easy access to the nozzle assembly during service

Carrier PP23BB006 Oil 320720-756 Always cross-reference the Lennox 51W90The Carrier PP23BB006 Oil is a specialized 5 gallon mineral oil engineered specifically for high tonnage centrifugal compressors. As a Carrier Factory Authorized Part, this lubricant is the baseline standard for maintaining the internal assemblies of Carrier 17 19D, 17 19E, and 17 19FA series machines. Formulated to handle the high velocity and tight clearances of centrifugal impellers, this mineral centrifugal oil provides exceptional thermal