Lennox 49K42 Expansion Valve 321702-401 This model features a versatile

This model features a versatile multi-voltage coil that accepts 20-30VAC/DC or 120VAC

0 inch water column (WC) manifold pressure to ensure precise fuel regulation

this is a proprietary Broan-NuTone service part designed specifically for compatible SV series architectures

Can I adjust the amount of air that bypasses the damper when it is closed

featuring precise set points calibrated at -0

Lennox 49K42 Expansion Valve 321702-401 This model features a versatileWhen you're dealing with a starving evaporator or inconsistent superheat on a Lennox system, the Lennox 49K42 Expansion Valve is the specified OEM solution for precise refrigerant metering. This thermostatic expansion valve (TXV) is engineered to handle variable load conditions, ensuring the evaporator coil maintains the correct liquid to vapor transition point across varying ambient temperatures. Built for high performance HVAC refrigerant control,