The Danfoss 117U1021 Starting Relay is a critical electronic component designed for hermetic compressors

Key Benefits: Precision Switching: Maintains exact start-run timing to prevent compressor overheating and electrical faults

When performing a bearing replacement or motor service

and most standard pneumatic systems using 1/4" tubing

Rheem-Ruud 42-42139-13 Contactor The Danfoss 117U1021 Starting RelayUpgrade or restore your HVAC system with the Rheem Ruud 42 42139 13 Contactor, a professional grade 2 pole definite purpose contactor engineered for demanding air conditioning and heat pump applications. Featuring a 24V coil and a 40 amp FLA rating, this component is a drop in replacement for numerous legacy parts including 42 25102 03 and 42 20617 01. Designed for reliable HVAC circuit control, it handles high voltage electrical loads with a 240A