Lennox 10W77 Expansion Valve 321894-709 Optimized Compatibility: Direct fit for

Optimized Compatibility: Direct fit for leading Armstrong inverted bucket traps including the 800 and 880 series

Can I field-adjust the control signal from 0-10Vdc to 4-20mA

the 10K-CP series is frequently used for outdoor air reset schedules and chiller/boiler optimization based on real-time outside air temperature

an inverse mode module or external logic inversion via the DPDT contacts is required

this power assembly (capscrews included) comes with the necessary bolts for installation onto the valve body

Lennox 10W77 Expansion Valve 321894-709 Optimized Compatibility: Direct fit forThe Lennox 10W77 Expansion Valve is a critical OEM R 22 expansion valve designed for precise refrigerant metering in residential and commercial cooling systems. This thermostatic expansion valve (TXV) includes an internal check valve, making it a direct replacement for heat pump applications and air conditioning units. Engineered by Parker for Lennox, the 10W77 regulates flow based on evaporator load to prevent slugging and optimize superheat levels.