RV Hydronic Heater Repair

 
Model

AHE-450-DE3

This model of Aqua-Hot uses the special Camco -100 Boiler coolant.

 

 

 

This model may also be known as:

 

AHE-450-DW2

Changes From Previous Model

 

This model is first model in this series to be "Low Emissions"

The combustion chamber has a major redesign of the AHE-450-DE2 model

 

Changes made on this model:

 

  • Combustion chamber has been redesigned. 
  • Combustion chamber now looks like this:
You need to replace gasket if you remove combustion chamber, here HDE-700-205

Part Notes

 

 

Information on tank level sensors    Tank Level Sensor Information

 

Routine service parts and kits - Routine Service Parts      Scroll down page for filter and nozzle packages.

 

 

Common Problems

 

  • None

Service Manual

 

On Aqua-Hot website   AHE-450  Use Service Manual for AHE-450-DE4