High-Temperature Durability: Constructed from heavy-duty materials to withstand the thermal stress of continuous heating cycles without warping

while the rupture-proof

this motor requires specific 24V signal leads from the control board

Safety Compliance: Built to meet original Williams Comfort Products engineering specs

000 BTU Forsaire models

Lennox 21L87 TXV 320788-704 High-Temperature Durability: Constructed from heavy-dutyMaintain 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