Carrier EA52PH059 Piston 318820-201 This is a dry case

This is a dry case gauge

16" WC component is an essential diagnostic step to ensure system reliability and secondary heat exchanger safety

The vent hood damper assembly is typically replaced as a complete unit to ensure internal linkage integrity and proper seal alignment against combustion gases

this kit is specifically engineered to provide a 9-13 PSI spring range

Carrier EA52PH059 Piston 318820-201 This is a dry caseThe Carrier EA52PH059 Piston is a precision engineered fixed orifice metering device designed for specific Carrier, Bryant, and Payne residential evaporator coils. As a critical component in the refrigerant circuit, this 0. 059 inch orifice piston ensures the correct pressure drop and flow rate of R 410A refrigerant into the evaporator header. For contractors performing HVAC piston replacement, the EA52PH059 provides a reliable, mechanical alternative