System Protection: The manual reset feature prevents short-cycling after high-pressure trips

which allows for 14 different flow increments plus an 'N' (fully open) setting

providing the versatility needed to balance CFM requirements across various static pressures

valve retainer

000 BTU/hr) and 150 PSI for air and water

Carrier HD42AQ252 Motor 321894-709 System Protection: The manual resetThe Carrier HD42AQ252 is a professional grade ECM Blower Motor engineered specifically for high efficiency performance in residential and light commercial air handlers and furnaces. As a Factory Authorized Part, this 1 3 HP, 208 230V single phase motor ensures drop in compatibility with Carrier, Bryant, and Payne equipment, maintaining the original AHRI rating and system static pressure requirements. Integrated ECM technology provides precise variable