International Comfort Products 1183684 R-410A Indoor Piston Size 55

The International Comfort Products 1183684 is a genuine OEM R-410A indoor piston designed for use with split air conditioning and heat pump systems. This size 55 piston is a critical metering device that regulates refrigerant flow between the outdoor condensing unit and indoor air handler or fancoil.

Key Features:

• Genuine OEM replacement part for International Comfort Products systems
• Size 55 piston specifically calibrated for R-410A refrigerant
• Compatible with multiple ICP brand families including Heil, Tempstar, Arcoaire, Comfortmaker, KeepRite, and Day & Night
• Designed for 2 to 2.5 ton (24,000 BTU) split system configurations
• Includes Teflon ring for reliable sealing
• Factory-tested component ensures proper system performance and efficiency

This piston is used when matching indoor and outdoor units of different sizes or as a replacement for worn components. Proper piston sizing is essential for optimal system efficiency, capacity, and refrigerant control. The piston size required for your specific system is typically printed on the outdoor unit rating plate.