



Do you have a question about the Aqua-Hot 400 series and is the answer not in the manual?
Highlights comfort, low emissions, and increased RV value.
Stresses reading the guide, qualified service, and potential hazards.
Provides custom, quiet, and consistent interior heating.
Offers on-demand hot water for showers and laundry without recovery time.
Emits low levels of fumeless and odorless exhaust, good for environment.
Access to over 160 factory-trained service centers for support.
Increases RV resale value, recognized by NADA Guide.
Efficiently uses shore power or diesel, reducing propane consumption.
Alerts to potential equipment damage if instructions aren't followed.
Warns of potential minor/moderate injury if instructions are not followed.
Indicates hazardous situations leading to serious injury or death if not followed.
Signals immediate risk of serious injury or death if instructions are disregarded.
Read guide, learn controls, use qualified technicians, ensure cover is on.
Use FDA-approved propylene glycol antifreeze for heating and winterizing.
Avoid hot exhaust in dry areas, disconnect power before servicing, switch off when refueling.
Describes three systems: interior heat, bay heat, and tank-less hot water.
Details TribridHot technology using 120V AC electric and diesel burner.
Highlights key specs and information found on the product label.
Visual guide to identify major system components and their locations.
Explains control switches for burner/electric element and thermostat functions.
Covers diesel burner and electric element usage for heating.
Details how to set interior thermostat and balance heating zones.
Describes how the system provides continuous hot water as needed.
Guides on locating and operating interior switch panels for system activation.
Focuses on checking antifreeze/water solution level in the expansion tank.
Recommends annual replacement of fuel nozzle and filter for optimal performance.
Outlines steps to drain the system and add RV antifreeze to prevent freezing.
Steps to safely remove winterizing antifreeze and flush the system.
Guidelines for disinfecting potable water systems, avoiding bleach.
Explains correct antifreeze types (propylene glycol) and what to avoid.
Details optimal ratios of propylene glycol and water for performance and protection.
Explains how antifreeze affects freezing, bursting, and boiling points.
Describes the role of inhibitors in protecting internal system components.
Step-by-step instructions for using a refractometer to test antifreeze concentration.
Basic checks for access cover, fuel level, and solution level before troubleshooting.
Explains RED indicator lights for low tank level, low battery voltage, and overload faults.
Describes GREEN/RED status lights for heating zones, pumps, and electric element.
Explains the tempering valve's role in mixing water and how to check its factory setting.
Details the 2-year limited warranty for parts and labor.
Provides contact information for warranty repair authorization and support.
| Brand | Aqua-Hot |
|---|---|
| Model | 400 series |
| Category | Heating System |
| Language | English |