the NRV 19 features a built-in damping piston that permits installation in lines where pulsation occurs

Technicians should check for 277Vac at the 18" leads

Broad Compatibility: Engineered as a standard OEM replacement part for a wide range of Copeland-powered equipment

ensuring reliable performance across diverse ventilation systems

providing robust terminal connections for 1

Hoffman Controls 764-ECM Controller 326058-756 the NRV 19 features aThe Hoffman Controls 764 ECM is a professional grade 4 speed ECM motor controller designed to interface with PWM capable brushless DC motors. Built for high efficiency HVACR applications, this controller allows technicians to replace standard 24VAC discrete speed motors with high performance, adjustable ECM fan configurations. The 764 ECM series is line voltage independent, operating solely on a 24VAC power source, which simplifies integration into