Marey GA16ONGDP

Marey 4.2 GPM, 16L natural gas tankless water heater is a great whole house water heating solution perfect for cabins, horse stables, and mid-size homes.

The powerful 16L Natural Gas Tankless Water Heater with digital display is the perfect energy efficient solution for your home which will not only help you save money, but also help you save money on your electric bills.

This powerful unit only operates on 3V, making it ideal for off-grid applications or anywhere electricity is limited. Copper heat exchanger resists corrosion allowing it to last a lifetime. At a standard faucet flow of 1.5 GPM, the temperature increase is 95 degrees Fahrenheit.

The LCD display gives an accurate outlet water temperature which ensures your hot water is always at the exact comfort level which you desire.

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This very versatile unit is great for many different outdoor uses such as washing your pet, washing your car and also taking a great outdoor shower.
It can also be installed indoors with proper ventilation according to local building and plumbing codes.

Quick Overview:

No electrical connection required.

• Compact design saves: space and allows for easy installation just about anywhere.
• Heats unlimited volume of water as needed.
• Hot water is available in just a few seconds.
• Activates by water flow from the moment the faucet is opened.
• 5-year limited parts warranty.

Savings:

- Saves water and up to 60% less electricity than conventional tank water heater, making it cost-effective and environmentally friendly.
- Can last a lifetime, keeping up to 87% efficiency level.
- Rustproof, no water loss due to leaks.

Details

• Indoor or Outdoor Installation Options
• Tankless Natural Gas Water Heater
• Compliant with Department of Energy gas tankless water heater requirements
• Digital Panel displays outgoing water temperature
• Very DIY friendly and easy to install
• Heats unlimited volume of water on-demand as needed
• Does not require electricity (operates with 2D cell batteries)
• Perfect alternative for homes with frequent power outages or off-grid applications
• Only uses gas while water is flowing
• Works easily with low levels of water pressure
• Anti-combustion and gas pressure safety protection
• Can maintain 87% efficiency level throughout a lifetime
• Rustproof design, no water loss due to leaks
• Saves water and uses up to 60% less electricity than conventional tank water heaters, making it cost-effective and eco-friendly
• Excellent customer service support and 5 year warranty

DOE COMPLIANT:

This unit is in compliance with DOE regulations, 10 CFR 430 .32 (d), which determines the amended energy conservation standards for residential water heaters.

• Energy Factor > 0.82 (for gas models) and Energy Factor> 0.93 (for electric models)

This GA16ONGDP unit has a Energy Factor Rate: 0.85

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The proper Venting Materials and procedure for the venting of the Natural Rise Power Gas Series are as followed.

The preferred material for these heaters is B-Vent (doubled walled, galvanized metal outside, polished aluminum inside). The GA5 and GA10 both require 4” venting and the GA16 requires 5”, but the supplied adapter may be used to go up to 6” (Never reduce in size).

Check with your local hardware store. Here is a catalog to identify needed parts. 

You must establish an 18” collar rise before installing any bends or condensation catches. Never install a 90 degree bend directly on top of the heater.

The minimum height allowed is 6 ft; this is to allow enough pipe to heat up to properly vent the gases and moisture from combustion. A straight vertical run is preferable.

If horizontal runs are necessary then they must always be sloped up at least .25” for every foot and must be kept shorter than 75% of the total vertical length. Never terminate the venting horizontally; you need the last bit of vertical run to “pull” the remaining gasses that may have cooled in the horizontal run. Many municipalities require a “chase” to be added up to the roof line for any venting running up an exterior side wall of a structure. Please check local guidelines.

If venting through the roof then the termination height will depend on your roof pitch. If condensation is a concern for a specific installation then other more specialized materials should be used most common is Z-Vent (double walled stainless steel on both in and outside layers).

If there are any deviations from these guidelines then please seek the help of a qualified HVAC technician. Improper venting could be hazardous or even deadly

The Sediment Pre-Filter and Isolation Valve Kit images below are for visual reference only.
Not included with water heater and must be purchased separately.

These items are suggested only and not necessary for this unit to work properly.  

It is recommended that an inexpensive pre-sediment filter be install for your Marey tankless water heater. This will help capture debris or particles that would interfere with the operation and longevity of your unit.		We suggest that you flush your Marey Tankless water heater at least once a year with white vinegar. There are numerous Youtube videos that demonstrate the procedure. By installing an isolation valve kit to your Marey tankless water heater this makes the process much simpler.

Marey GA16ONGDP
Indoor or Outdoor Tankless Water Heater

UPC	764177001375
Application	Maximum 4 points of use
Exhaust type	Duct
Ignition type	2 D Battery
Pilot Light (Y/N)	No
Maximum BTU	105,803
Application Type	Residential
Certifications and Listings	/
File/Certification Number	/
Finish Family	silver
Flow Rate @ 35°F Rise (gallons/min)	4.93
Flow Rate @ 45°F Rise (gallons/min)	3.83
Flow Rate @ 55°F Rise (gallons/min)	3.13
Flow Rate @ 65°F Rise (gallons/min)	2.65
Flow Rate @ 77°F Rise (gallons/min)	2.23
Maximum Flow Rate	under 0.1mpa, 3.61 gpm/ under under 0.2mpa, 4.57 gpm
Maximum Temperature (F)	143
Maximum Gallons per Minute	4.3
Minimum Activation Rate (gpm)	0.75
Minimum Temperature (F)	33
Wire Size Gauge	/
Temperature Pressure Relief Valve (Y/N)	No
Vent Diameter (in)	5
Vent type	Type B Double Wall Type B Double Wall
Related Gas Pressure	1740PA
Pressure Rating (psi)	3.6 -145
Recommended min. Flow activation (GPM)	1.58
Uniform Energy Factor	/
Product Dimensions (HxWxD)	27.9x16.5x8.2
Product Weight (lbs)	29
Shipping Dimensions (HxWxD)	33.8x19.3x11.1
Shipping Weight (lbs)	35.4
Water Connection Location	Bottom
Water Connection Size (in.)	1/2

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5 Year Limited Factory Warranty!

 **NOTICE** 

You have 30 days from your purchase date for any warranty returns for refund.

Please note regardless when you register the unit your warranty will start from the purchase date.

Marey International, LLC, offers an industry leading 5 year all-parts warranty on all their tankless water heaters. Marey's heater warranty is comprehensive and covers all manufacturer's defects. 

Marey warranty is only valid for units sold for use in the USA and Canada.

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SHIPPING AND HANDLING

• FREE Shipping to U.S. Mainland addresses only.
• We do not offer free shipping to Alaska or Hawaii, however we do ship to those locations. Enter your zip code under the Shipping and Payments tab to get your rate.
• We do offer International Shipping on this Item through the Global Shipping Program.
• When product has been paid for, we will submit the order to be processed and shipped within 24 hours. Weekends and holidays are excluded. Shipping time may vary due to your requested delivery location.
• Your shipment will originate from a warehouse nearest to your location if possible. Most items are shipped FedEx, USPS and UPS.
• You will receive a shipping update email containing a tracking number. You may also find the tracking number of your order in the "My" tab.
• If your package arrives damaged, refuse the shipment and contact us. If the shipping company has left before you realize the package is damaged, contact us immediately. Concealed damages must be reported to the carrier within 24 hours of receipt.
• All shipping and handling cost are non-refundable. If buyer provides incorrect address or refuses delivery, the original actual shipping cost will be deducted from any monies refunded.

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Why Choose Marey

Why Marey Water Heaters? Because Marey has designed and manufactured water heater since 1955.
Why Marey? Because this unit is one of the newest point of use water heaters available from Marey.
Why Marey? Because we feel that everyone should have access to hot water and be able to cut their energy consumption at the same time.
SO, If you want a good quality point of use water heater with a 5 year all parts warranty, buy a Marey from us.