921597 Nordyne HEAT EXCHANGER

Must ship Via Freight truck line 

IN STOCK 

The 921597 is the genuine OEM heat exchanger assembly used in select Nordyne, Intertherm, and Miller furnaces. This component transfers heat from combustion gases into the circulating air stream while keeping flue gases safely contained.

Built to factory specifications, the 921597 restores proper heating performance, combustion efficiency, and safety. It is the direct replacement for systems originally equipped with this exchanger and installs without modification.

Key Features

• OEM Nordyne / Intertherm / Miller heat exchanger

• Ensures safe separation of flue gases and supply air

• Restores proper furnace heating performance

• Heavy‑gauge steel construction

• Direct replacement — no retrofit required

• Ships as a full assembly

Common Symptoms Requiring Replacement

• Cracked heat exchanger

• CO detector trips

• Flame rollout or distortion

• Furnace short‑cycling

• Visible rust-through or heat stress