---
title: Hydronic Diesel Heater
description: The unique DH15Duo Hydronic diesel hot water system with ducted air heater provides fast hot water and 1.8kW air heating in the coldest of conditions in a robust, compact form.
url: "https://wonderlandrv.com.au/manuals/hydronic-diesel-heater/"
updated: "2025-07-01"
category: Interior / Heating
---

# Hydronic Diesel Heater

## Warranty Period:

2 Years

## Warranty Link:

[View Warranty](https://www.dieselheat.com.au/wp-content/uploads/Dieselheat-Warranty.pdf)

## Manual Link:

[View Manual](https://www.dieselheat.com.au/wp-content/uploads/DH-Series-Operator-Manual.pdf)

## Maintenance Details:

The furnace should be serviced every 3000 hours. The coolant should be replaced at the end of its life. No anodes to replace.

## Troubleshooting Guide:

N/A