Advanced Diagnostics: Multi-color LED error codes allow technicians to quickly identify issues like pressure switch failures or weak flame signals

automatically returning to the home position during a power loss to prevent system damage

Can this solenoid valve be used for vacuum service

at 77°F (25°C)

the 23M22 is the standard solution for resolving logic failures and corrupted sensor readings

Carrier EA03PC503 TXV Valve 328140-751 Advanced Diagnostics: Multi-color LED errorThe Carrier EA03PC503 is a high capacity 16 ton thermal expansion valve (TXV) designed for precise refrigerant metering in large scale commercial and industrial HVACR systems. As a genuine OEM replacement part, it ensures exact compatibility with R 22 refrigerant circuits, though it is also specified in certain technical applications for R 410A and R 407C. Featuring 7 8" x 1 3 8" ODF solder connections, this bi metal valve provides a secure, leak