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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Compatible with high-performance Schneider Electric pneumatic controls and legacy Barber Colman thermostats
but the igniter will fail to glow because the switch contacts remain open
While the WLF hardware is robust
Engineered for rapid response
verify that the minimum current remains above the 0
Lennox 63K46 Defrost Thermostat Compatible with high-performance Schneider ElectricThe Lennox 63K46 Defrost Thermostat is a critical component for maintaining the operational reliability of Lennox heat pump systems. This OEM replacement part, also identified as 63K4601, is engineered with L70 28F temperature control characteristics, meaning it is designed to close at 28F on a temperature drop to initiate the defrost cycle and open at 70F on a temperature rise to terminate it. By accurately monitoring the evaporator coil temperature,
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