Collection: 8500 III Hydroflame Parts

Looking for Dometic 8500-III furnace parts or Atwood 8500-III RV furnace replacement parts? You’ve found the right place. This page is dedicated to parts for Dometic (formerly Atwood) 8500-III Series furnaces—a widely used ducted RV heating system known for strong performance and dependable operation.

The 8500-III series represents an updated generation of the 8500 platform, featuring improved components, better ignition reliability, and consistent airflow for efficient heating across your RV.

Find the Right 8500-III Replacement Parts

This category includes the most commonly replaced parts for 8500-III furnaces, including:

• Blower motors & blower wheels
• Control boards & ignition modules
• Gas valves & burner assemblies
• Sail switches & limit switches
• Combustion chambers & heat exchangers

These parts help fix common RV furnace problems such as:

• Furnace not igniting
• RV furnace not blowing air
• No heat or weak airflow
• Furnace cycling on and off

Important Fitment Note

8500-III furnaces may vary by BTU rating and configuration, and some parts differ from earlier 8500-I and 8500-II models. Always confirm your exact model number to ensure compatibility.