Resideo ZD22X10TZ Damper 319847-401 is a high-precision thermostatic expansion

is a high-precision thermostatic expansion valve engineered for 2-3 ton residential and light commercial cooling systems

this Laars replacement part ensures rapid thermal transfer for accurate high-limit or operating control response times

eliminating the need for external vent lines in most indoor installations

ensuring long-term reliability for residential and manufactured housing HVAC units

reliable performance necessary for continuous-duty cycles in compressed air purification

Resideo ZD22X10TZ Damper 319847-401 is a high-precision thermostatic expansionThe Resideo ZD22X10TZ is a 22" Wide X 10" High Parallel Blade Zone Damper engineered for high performance airflow management in multi zone HVAC applications. Built for technicians who demand reliability, this rectangular zone damper features a 24VAC synchronous motor that operates in a power closed spring return open configuration. The fail safe design ensures that air continues to circulate should power be lost, maintaining critical system