Venting Your Marey Gas Tankless Water Heater

Marey is always updating and trying to improve on their manuals and installation guides.  Marey will soon be updating their installation manuals for the gas tankless water heaters.  Please follow the installation manual when installing a Marey tankless water heater.  You will also want to check local code as all local codes sometimes supersede the manufacturers recommendations. Below is a list of the venting required for the Marey gas tankless water heaters.

Venting Requirements
Marey GA16NGETL Power Gas 16L ETL - unit requires 3" stainless steel single wall sealed venting. This unit can be vented either vertically up through the roof or horizontally out the sidewall of the building.  Please click on this link for 3" stainless steel venting and vent kits:  3" Stainless Steel Venting

Marey GA16NGDP Power Gas 16L with Digital Panel or without Digital Panel - unit requires 5" B-Vent galvanized double wall pipe.  unit should be vented vertical up through the roof using the 5" B-Vent H/P VVT Vertical Vent Kit

Marey GA10LPDP Power Gas 10L with Digital Panel or without Digital Panel - unit requires 4" B-vent double wall galvanized venting.

Marey GA5LP Power Gas 5L - unit requires 4" B-vent double wall galvanized venting.

Marey GA5PORT Portable Gas 5L - this unit requires no venting.

GlobalTowne is an authorized Marey distributor of all the gas and electric tankless water heaters. Please call us at 888-726-9752 for questions or to order your Marey tankless water heater today.

Instructional Videos for Installing Marey Gas & Electric Tankless Water Heaters

GlobalTowne now sells the full line of Marey gas, propane and electric tankless water heaters.  There are many different sizes from a Marey Gas whole house tankless to a smaller point of use electric tankless.  All of the Marey gas and electric tankelss water heaters come with well documented Installation Manuals but the videos below should help make the installation process that much more easier.

Links to Videos:

Marey Power Gas Units 5L, 10L & 16L Installation Video

Marey 5L Gas Portable Installation Video

Electric Tankless Power Pak, Santon & ECO110 Installation Video

Electric Tankless ECO 180 Installation Video

Please contact GlobalTowne with any further questions or to place your order at 888-726-9752.

Marey Gas Portable GA5PORT Gas Tankless Water Heater

GlobalTowne now carries the Marey Gas Portable GA5PORT gas tankless water heater.  This unit is small and designed for 1 low flow application with a maximum gallons per minute (gpm) of 2 gpm.  The Marey Gas Portable has a thermal efficiency of 87%.  This unit is ideal for camping, power outages, horse-washing, dog washing and cottages with low water pressure and only requires a minimum of 10 psi to operate.  This unit can be mounted to a dolly and then easily transported from place to place.  The Power GA5PORT will give you endless hot water and only takes a few seconds for the hot water to reach the tap.  The unit is equipped with anti-combustion and safety protection. The Marey Gas Portable unit also comes with extra accessories so you can begin using the unit as soon as you get it.  Please see some of the highlights of the unit listed below.

• Gas Portable unit only comes in Liquid Propane (LP)
• Available Model: GA5PORT
• No exhaust venting required.
• Gas Portable is 35,000 BTU
• Unit requires 2 "D" Cell batteries for ignition (no electrical connection required)
• Minimum water pressure required is 10 PSI.
• 48 degree temperature rise at 1 gpm
• 32 degree temperature rise at 1.5 gpm
• 25 degree temperature rise at 2.0 gpm
• Minimum activation flow rate is 0.58 gpm.
• 1/2" water and gas connections
• Overall dimensions are 17"x11.4"x4.7"
• Weight of the unit is 12 lbs
• 5 year Warranty

Please contact GlobalTowne with any further questions or to place your order at 888-726-9752.