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This switching relay is designed to manage various circuit configurations within 24V HVAC control systems
maintaining necessary compression ratios and preventing refrigerant bypass
By maintaining silver-cadmium oxide contacts
As the direct replacement for KR11HY151
Heat Controller 4202 TXV 319852-301 This switching relay is designedThe Heat Controller 4202 TXV is a high performance 4 Ton Thermostatic Expansion Valve designed to maintain precise superheat for optimal evaporator efficiency in split system residential and commercial HVAC units. Engineered for use with heat pump and air conditioning systems, this metering device regulates refrigerant mass flow based on suction line temperature, protecting the compressor from liquid slugging and ensuring consistent BTU capacity
