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Key Benefits: Factory Programmed: Includes the P7RE03 profile for optimized airflow right out of the box
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
is a high-precision thermostatic expansion valve engineered for 2-3 ton residential and light commercial cooling systems
specifically engineered for Water Source Heat Pumps (WSHP) and 520 series units
Resideo ZD22X10TZ Damper 319847-401 Key Benefits: Factory Programmed: IncludesThe 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