Lennox 21L87 TXV R-22 Confirm your system voltage before

Confirm your system voltage before installation to prevent electrical damage to the control board

Rapid Response: Provides instantaneous electronic feedback for smoother modulation compared to mechanical alternatives

ensuring minimal leakage and optimal system efficiency

N) and R6GN (150-180 model) light commercial series

OEM Precision: Guaranteed compatibility with Heil

Lennox 21L87 TXV R-22 Confirm your system voltage beforeMaintain 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