The ClimateMaster 33B0006N13 1 Ton Expansion Valve is an essential component found in HVAC systems, particularly heat pumps and air conditioners. This valve is essential for controlling the system's refrigerant flow, which promotes effective heat exchange and peak performance. For an efficient and reliable HVAC system, the Climatemaster Expansion Valve is a great choice for opti... https://www.partshnc.com/33b0006n13-climatemaster-1-ton-expansion-valve