Lennox 70M29 Expansion Valve R-410A Contractors rely on this Apollo

Contractors rely on this Apollo Valves series for its precision and compliance with safety relief valve standards in commercial and residential boiler applications

Technicians typically observe delayed ignition across the burner rack or a "lazy" yellow flame in the carryover tube

This thermostat is designed for single-stage control applications

Enhanced Voltage Tolerance: Rated for up to 440 Volts to handle voltage surges and improve component longevity in demanding environments

Is surface heat normal during operation

Lennox 70M29 Expansion Valve R-410A Contractors rely on this ApolloThe Lennox 70M29 Expansion Valve is a critical OEM replacement part engineered for precise refrigerant metering in residential and commercial cooling systems. This thermostatic expansion valve (TXV) is designed to regulate flow based on evaporator load, ensuring maximum heat exchange efficiency and preventing liquid slugging in the compressor. The 70M29 is technically identical to 70M2901 and serves as a direct replacement for legacy part numbers