The Perlick 040193-57 / 12813 Expansion Valve (TXV) is a genuine Perlick constant-pressure thermostatic expansion valve designed for Power Pak refrigeration systems. This TXV precisely meters refrigerant flow to maintain stable evaporator pressure, ensuring efficient cooling performance, consistent temperatures, and reliable system operation. It is an essential replacement part when cooling becomes inconsistent or the original valve fails. Key Features OEM Perlick expansion valve (TXV) for precise fit and dependable performance Constant-pressure design for stable and efficient refrigerant control Improves temperature consistency and overall system efficiency Designed specifically for Perlick Power Pak applications Manufactured to original Perlick quality and reliability standards Specifications Brand: Perlick Part Numbers: 040193-57, 12813 Component Type: Expansion Valve / TXV Control Type: Constant Pressure Application: Power Pak Refrigeration Systems Installation: Direct replacement Compatible Models Perlick 4410W Perlick 4414 Perlick 4414-230 Perlick 4414W Perlick 4420 Perlick PP150 Perlick PP300 Perlick PP50 Perlick RD060 and more. Why Choose This Item This Perlick OEM expansion valve restores accurate refrigerant control and dependable cooling performance. Using a genuine replacement part ensures correct compatibility, long service life, and reliable operation across a wide range of Perlick Power Pak refrigeration models