Featuring an 11x10 blower housing configuration

high-efficiency 240v ECM motor engineered for precise airflow management in specific residential and light commercial air handlers and furnaces

eliminating the need for manifold modifications during field service

Why are the spade terminals different sizes

the unit enters a safety lockout mode to prevent gas accumulation

Bard HVAC AB3000-B Enhanced Alarm Board 321702-401 Featuring an 11x10 blower housingThe Bard HVAC AB3000 B Enhanced Alarm Board is a critical field installed OEM component designed for legacy and modern Bard wall mount units. As a direct Bard replacement part, this board provides a sophisticated interface for HVAC system diagnostics, allowing technicians to monitor dry contact alarm outputs for high pressure, low pressure, and lockout conditions. This enhanced alarm board is essential for remote monitoring applications where real