Lennox 21L87 TXV R-407A you eliminate the risks associated

you eliminate the risks associated with generic alternatives

What happens if the flow switch fails

Its compact cube-style form factor allows for efficient mounting in tight control cabinets

Consistent Comfort: Ensures stable indoor temperatures by effectively managing heating and cooling cycles

This intake air pressure switch is factory-calibrated at a 0

Lennox 21L87 TXV R-407A you eliminate the risks associatedMaintain precise system balance with the Lennox 21L87 TXV, a genuine OEM thermostatic expansion valve designed specifically for Lennox air conditioning and heat pump units. This valve is engineered to modulate refrigerant flow dynamically based on the cooling load, ensuring the evaporator operates at peak efficiency. By maintaining the optimal superheat at the evaporator outlet, the 21L87 prevents liquid slugging and protects the compressor from