AquaStar 125HX LP, 125HX NG specifications 720 606

Page 2

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.

Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference.

In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter.

WARNING

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable, combustible or corrosive vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

-Do not try to light any appliance.

-Do not touch any electrical switch; do not use any phone in your building.

-Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

-If you cannot reach your gas supplier, call the fire department.

-Installation and service must be performed by a qualified installer, service agency or the gas supplier.

2

6 720 606 804

Page 1 Page 3
Image 2
Page 1 Page 3
Contents What to do if YOU Smell GAS For Your SafetyTable of Contents 720 606 Principle of Operation FeaturesUnpacking the 125 HX Heater Required Natural Gas Pressure at inletModel 125HX Proper Location for Installing Your Heater General Rules to Follow For Safe OperationClearances Mounting InstallationCombustion AIR Requirements Vent pipe connection VentingPlasterboard, can cause failure of mounting Tile Lined Interior Masonry Chimney Masonry ChimneysExisting Interior Masonry Chimney 6 Adaptor Used on High Altitude GAS ConnectionsGAS Line Sizing Source National Fuel Gas Code Nfpa 54, Ansi Z223.1 For Natural GASFor LP GAS Water Connections Operating InstructionsTo Turn OFF GAS to Appliance Setting the Water TemperatureLighting and Operating Instructions Review Maintenance Table on the Back of this Manual Maintenance and ServiceTrouble Shooting Not enlarge the orificeNo Spark AT the Pilot Main Burners GO OUT During HOT Water USE Ground water temperature is very warmPilot Lights but Burners will not Come on Water is TOO HOTHOT Water Temperature Fluctuates / Unit Deactivated Diagram of 125 HX Interior Components Diagram and Parts List Interior Components Diagram Parts List 125 HX Flow chart of 125 HX Twelve Year Limited Warranty General720 606 720 606 Maintenance Table see BBT North America

125HX LP, 125HX NG specifications

The AquaStar 125HX NG and 125HX LP are highly efficient gas tankless water heaters designed to meet the demands of modern households. With their compact size and advanced technology, these units provide an endless supply of hot water while maintaining energy efficiency. Both models cater to natural gas and propane applications, making them versatile options for various installations.

One of the standout features of the AquaStar 125HX series is its ability to deliver a powerful output of up to 199,000 BTUs, ensuring that multiple hot water outlets can operate simultaneously without a drop in temperature. Users can enjoy the convenience of hot showers, laundry, and dishwashing all at once, making it an ideal choice for busy families or households with high hot water needs.

These models incorporate a sophisticated modulating gas valve that adjusts the gas flow based on the demand for hot water. This technology not only optimizes energy consumption but also contributes to extended unit life by minimizing wear and tear on the components. The AquaStar 125HX units also come equipped with a patented electronic ignition system, which eliminates the need for a standing pilot light and reduces gas consumption.

Furthermore, the AquaStar 125HX NG and 125HX LP feature a durable heat exchanger constructed from high-grade copper, which enhances thermal efficiency and prevents corrosion. This ensures a longer lifespan and increased reliability for homeowners. Additionally, the units are compact and wall-mounted, allowing for flexible installation in various spaces, including tight utility closets or outside walls.

Safety is also a top priority, with built-in overheat protection and a freeze protection feature that ensures the unit remains operational even in colder climates. The AquaStar 125HX series operates quietly, allowing users to enjoy the benefits of hot water without the disruptive noise commonly associated with traditional water heaters.

In summary, the AquaStar 125HX NG and 125HX LP are leading choices in the tankless water heater market, combining efficiency, reliability, and innovation. Their impressive output, advanced technologies, and compact design make them suitable for modern living, ensuring homeowners have access to hot water whenever they need it. With these features, AquaStar continues to set a high standard in water heating solutions.
Top Page Image Contents