The FF312H is a "without hold" model

operating window to match specific system requirements

Enhanced Reliability: Designed to handle the high-cycle demands of modern residential heating equipment

Common Questions: What are the signs of a failing sequencer relay

This HVAC airflow sensor component is essential for preventing equipment operation during low-flow conditions

Fasco B23618 Blower R-410A The FF312H is a "withoutThe Fasco B23618 Blower is a high performance shaded pole motor designed as a direct OEM draft inducer replacement for various HVAC systems. Engineering for critical venting applications, this 1 speed unit operates at a nominal 3000 RPM (up to 3100 RPM at free air) to ensure precise combustion airflow and safe exhaust gas removal. It features a versatile 115 208 230V dual voltage rating and is built with robust ball bearings for extended service life