making it a reliable boiler protection part for rigorous contractor applications

continuous flame adjustment without the lag or maintenance requirements of mechanical actuators

Key Benefits Ensures a precise airtight seal to prevent unfiltered air from bypassing the system and contaminating internal components

When replacing a failed HK32AB201 control board

Lennox 25W28 TXV 340155-7026 making it a reliable boilerThe Lennox 25W28 TXV is a precision engineered 5 ton thermal expansion valve designed specifically for maintaining optimal refrigerant flow in high capacity residential and commercial HVAC units. As an OEM Lennox replacement part, this valve is critical for technicians troubleshooting evaporator coil freeze ups or hunting issues in older R22 refrigerant systems. The 100679 07 expansion valve regulates the liquid refrigerant entering the evaporator