Robertshaw infinites may have reversed L1 and L2 positions compared to some competitive models

Most failures result from mineral scale buildup on the probe tip or internal moisture penetration

Featuring a robust bronze body and seat

though this can be field-adjusted between 70 and 220 seconds using MFT software

Designed as a Uni-Kit replacement

Carrier P903-2305 Compressor Oil 322027-701 Robertshaw infinites may have reversedProfessional grade Carrier P903 2305 Compressor Oil is a high performance polyol ester (POE) lubricant specifically engineered for modern HVACR systems. Designed as a synthetic screw compressor oil, this fluid features an ISO viscosity grade of 220, providing exceptional thermal stability and lubrication across heavy duty commercial applications. This POE 220VS oil is the OEM approved lubricant for high capacity Carrier chillers and screw compressors,