Precision Metering: A modified linear flow characteristic provides accurate throttling

Designed for low voltage (20-30Vac) systems

Integrating this boiler safety valve into your maintenance routine ensures the system operates within safe mechanical limits

the A21959-1 is specifically sized for the A6 and B6 Series

Key Benefits: Exact OEM Compatibility: Designed for an immediate drop-in fit with 14" fan assemblies

Nordyne 921484 Coil Assembly 321702-401 Precision Metering: A modified linearThe Nordyne 921484 Coil Assembly is a genuine OEM air handler coil assembly engineered for high performance heat exchange in domestic and light commercial HVAC applications. This specific Nordyne evaporator coil ensures a precise fit within the air handler cabinet, maintaining the critical static pressure and airflow ratings required for your system's design. As a direct replacement for Nordyne 921484 parts, this coil eliminates the integration issues