Lennox Y8735 TXV 30067439-890 this is specifically toleranced for

this is specifically toleranced for McDonnell & Miller equipment to ensure proper safety and performance

preventing equipment damage and potentially hazardous overheating

Is any modification required during installation

This component is technically identical to MCS-G

Lennox Y8735 TXV 30067439-890 this is specifically toleranced forThe Lennox Y8735 TXV is a critical OEM replacement thermal expansion valve designed specifically for R410A refrigerant systems. Engineered for high precision refrigerant flow control, this valve is compatible with 1. 5 ton to 2. 5 ton HVAC units, including air conditioners and heat pumps. It serves as a direct functional equivalent for discontinued or legacy part numbers including 12J18, 12J1801, 49L24, and 49L2401. Since the Y8735 is an externally