The Amana-Goodman 2821303S Heat Exchanger is an essential 6-cell furnace component designed to restore the heating efficiency and structural safety of your HVAC system

Verify your unit's wiring schematic to ensure match for the 460/480-volt 3-phase power specifications

Ensure your ventilation system meets indoor air quality standards by using the authentic Air Xchange 181762A designed for long-term mechanical reliability

offer a relatively linear resistance-to-temperature curve and excellent long-term stability

Browning 1VP50X1 Sheave 320074-702 The Amana-Goodman 2821303S Heat ExchangerThe Browning 1VP50X1 Sheave is a precision machined variable pitch pulley designed for high torque HVACR fan and blower applications. Engineered from durable cast iron, this single groove component features a 1 inch fixed bore and a 4. 75" outside diameter, providing critical belt tension adjustment capabilities for system balancing. This sheave supports a wide range of power transmission requirements, offering a variable pitch range of 3. 3 to 4. 4