System Protection: Functions as the primary defense against internal moisture damage to insulation and electrical components

making additional mounting brackets unnecessary in most standard residential ductwork

contractors can eliminate internal leakage

the coil is dual-rated for 110V/50Hz

Ensures seamless York chiller compatibility when upgrading to modern 3-pipe compressor designs

Resideo DP4040B5001 Contactor R-134A System Protection: Functions as theThe Resideo DP4040B5001 is a 4 pole definite purpose contactor engineered for heavy duty switching in commercial and industrial HVACR systems. Built for across the line starting of induction motors, this PowerPro contactor features a 120V coil and is rated for a 40 Amp inductive load (50 Amp resistive), providing a robust solution for multi circuit control. The silver cadmium oxide contacts are designed for durability and consistent conductivity,