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Marey GA30NG User Manual

Marey GA30NG
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WATER PIPING
1. All piping, including soldering material, and components connected to this heater shall be
approved for use in potable water systems.
2. If the heater has ever been previously used for heating non-potable water, never install the
heater later into a potable water system.
3. The installation of manual shutoff valves, drain valves and unions are recommended. A
professional should review each installation and ensure adequate ability to isolate, drain, and
disconnect heater for service needs.
4. Connect suitable piping from water supply to the water heater. Note, water heater
connections are ½” NPT.
5. This unit requires a pressure relief valve. The relief valve must be installed near the hot water outlet.
6. Purge the water line to remove debris and air. Debris can plug and damage the heater.
7. Install an inlet water lter at the cold water inlet. Ensure the lter is easily removable for
inspection and cleaning.
8. Test water connections for leaks. Turn on water and purge water through the water
heater and system. Flow for 1-2 minutes. Ensure all air is eliminated.
9. After lling and ushing the system, check the inlet water lter for debris and clean as required.
10. Consider insulation on hot water piping for energy conservation and personal protection. Do
not insulate the pressure relief valve!
3.6 AIR INTAKE AND EXHAUST (VENT) SYSTEM
Improper venting of a water heater can result in levels of Carbon
Monoxide which can result in severe injury or death!
This water heater must be vented in accordance with the “Venting of
Equipment” section of ANSI Z223.1 / NFPA 54 National Fuel Gas Code
–latest versions, or in Canada, the most recent version of CAN/CGA
B149.1. Natural Gas and Propane Installation Code. In additional, all
installations must completely comply with all applicable local
building codes. Failure to comply can result in equipment failure, re,
personal injury or death!
Use only listed Type B vent or vent connector, plastic vent systems
are not compatible and the failure of the vent system could result in
damage, equipment failure, personal injury or death.

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Marey GA30NG Specifications

General IconGeneral
BrandMarey
ModelGA30NG
CategoryWater Heater
LanguageEnglish

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