Lennox 29M12 TXV

The Lennox 29M12 is a high-capacity 6-ton thermal expansion valve designed to provide precise refrigerant metering in residential and light commercial split systems or package units. Featuring a 3/8" x 1/2" ODF sweat connection and a 30" capillary tube, this OEM expansion valve ensures rapid response to load changes by maintaining consistent superheat levels. It is factory-calibrated for R-410A refrigerant, optimizing evaporator efficiency and protecting the compressor from liquid slugging in high-demand HVACR refrigeration environments. Built with a durable brass body and corrosion-resistant components, this balance-ported valve is the professional choice for contractors performing a Lennox TXV replacement to restore factory-spec cooling performance and system energy efficiency.

Key Benefits

• Precise Refrigerant Flow: Regulates refrigerant flow control to maximize heat transfer across the evaporator coil.
• OEM Compatibility: Genuine Lennox 29M12 part ensures a perfect technical match for 6-ton equipment.
• System Protection: Actively monitors superheat to prevent floodback and extend the service life of the compressor.
• Robust Build: High-grade materials designed for industrial and commercial reliability.

Common Questions

• What refrigerant is this valve compatible with? This unit is engineered specifically for use in R-410A refrigeration systems.
• Does this valve come with the external equalizer? Yes, this thermal expansion valve is designed for systems requiring external equalization to ensure accurate pressure sensing.
• Is this a direct replacement for 6-ton Lennox units? Yes, the 29M12 is the standard 6-ton refrigerant regulator for compatible Lennox air handlers and cased coils.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.