including CSHA140K0000 and CSHA140K0E00

To ensure a proper seal

The 121-42-598-00 is designed for the 122-12 series

making it efficient for high-volume output applications while maintaining system-wide pressure stability

The 7-inch OEM replacement lead is built with high-grade insulation to withstand the thermal stress and vibrational demands found within condenser and evaporator cabinets

Carrier EA52PH059 Piston 318973-401 including CSHA140K0000 and CSHA140K0E00The 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