this mechanical thermostat allows for versatile heating or cooling control with a 5°F fixed differential

the universal mounting clamps allow for direct attachment to round or square shafts

it ensures accurate positioning and efficient system modulation

Check for consistent 24VAC at the controller terminations

5 MFD/370V capacitor for optimal torque and energy efficiency

Resideo ZD24X14TZ Damper 319848-301 this mechanical thermostat allows forThe Resideo ZD24X14TZ Damper is a professional grade 24x14 zone damper engineered for tight air management within residential and light commercial forced air systems. As a parallel blade zone damper, it features high quality extruded aluminum construction and Kevlar gearing to ensure smooth operation and minimal air bypass. This model utilizes a 24Vac synchronous motor mounted on the 14 inch side, offering a power closed spring return open