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Grand Hall Limited Warranty

Warranty Periods

Limitation on Implied Warranties

There  are  no  warranties  which  extend  beyond  the  face  of  this  Grand  Hall  Limited  Warranty.  Grand  Hall 
disclaims all other warranties expressed or implied, regarding the Product, including any implied warranties of 
merchantability, 

 tness for a particular purpose or non-infringement. 

In the United States, some states do not 

allow the exclusion of the implied warranties so the above exclusion may not apply to you.  Some states 
do not allow limitations on how long an implied warranty lasts, so any such limitation may not apply to 
you.

The warranty period for the Heat Exchanger or Tank expires upon the 

 rst of the following events to occur:1. 

1. 7 years from purchase; 
2. 12,500 total burner hours*
* No more than 6 hours of daily usage can be exceeded.
  

Warranty Periods for other Components
Parts Warranty

: The maximum term of the limited warranty on parts, other than the Heat Exchanger and Tank, 

is six (6) years from date of purchase.  

Disclaimers

1. 

Improper Installation

 

 

Product not installed in accordance with the instructions set forth in the Manual, 

including  but  not  limited  to  usage  of  non-approved  materials  or  plumbing  connections,  use  of  dielectric/
galvanized unions, improper venting, failure to follow local codes, or improper gas supply.

2.

 

Misapplication

 

 

Product  installed  for  any  purpose  other  than  supplying  sufficient  non-Hard,  Potable 

domestic  hot  water  that  is  delivered  through  a  faucet,  or  fixture,  or  failure  to  conform  with  the  factory 
performance and installation speci

 cations set forth in the Manual shall be considered Misapplication, including 

but not limited to: undersized system where Product cannot meet peak demand, disregarding Grand Hall sizing 
recommendations, power or direct venting with air intake exposed to contaminated environment, solely closed-
loop space heating applications, and uncontrolled or improperly sized recirculation that causes excessive run 
times not in accordance with Product lifecycle speci

 cations.

3.

 

Residential Application 

 

Product installed in a single family residence where no more than one family 

utilizes the installed Product for domestic hot water supply under 140

°

F.

  

4.

 

Hard Water 

 

Hard Water shall mean any water that contains a water hardness of greater than 15 grains per 

gallon (250ppm).

5.

 

Potable Water

 

 

Public utility or well supplied drinkable water in compliance with EPA secondary maximum 

contaminant levels (40 CFR part 143.3)

http://water.epa.gov/drink/contaminants/secondarystandards.cfm

How to Obtain Warranty Service

Please contact your licensed, authorized Eternal contractor to learn how to obtain diagnostics and warranty 
service for your water heater. You can find authorized contractors at 

www.eternalwaterheater.com

. Simply 

enter your zip code for a listing of nearby authorized contractors. Be sure to have your model number, serial 
number and the error code displayed on the front of the unit available for your contractor so that he/she may 
arrive at your location with the necessary tools and parts to remedy the situation. The contractor may contact 
our technical support department 24/7 toll-free at 

1-866-946-1096

 and we will help troubleshoot through the 

process.  The labor and service stated in this section are excluded from this Warranty and Grand Hall has no 
express or implied duty to provide, pay or subsidize any labor or service performed.

Warranty Periods for Heat Exchanger or Tank

US Contact: 

 

 

 

Manufacturer:

Grand Hall USA, Inc. 

 

 

Grand Hall Enterprise Co., Ltd.

3838 W. Miller Rd., 

 

 

9th Floor, No 298, Rueiguang Rd.

Garland, TX 75041 

 

 

Neihu, Taipei Taiwan (114)

Toll-Free: 866-946-1096

Summary of Contents for GU125T

Page 1: ...Only specially trained and authorized personnel are permitted to service this water heater NOTE TO ASSEMBLER INSTALLER Leave this manual with the consumer NOTE TO CONSUMER Keep this manual for future...

Page 2: ...l Horizontal Termination P20 21 Clearance Requirements from Vent Terminations to Building Openings P22 Multiple Units Termination P23 Vent Pipe Installation Terminator Position P24 Gas Supply Piping P...

Page 3: ...3 Included Accessories Optional Accessories...

Page 4: ...5 000 BTU Hr 100 000 BTU Hr Gas Supply Pressure NG LP 3 5 WC to 10 5 WC 8 WC to 14 WC Ignition System Direct Electronic Ignition w Automatic Flame Sensing Burner System Sealed Combustion with Metal Fi...

Page 5: ...5 Dimensions GU125T 518 11 12 1125 GU160T 518 11 12 1160...

Page 6: ...6 Dimensions GU125T 518 11 12 1125 GU160T 518 11 12 1160...

Page 7: ...7 Dimensions GU125T 518 11 12 1125 GU160T 518 11 12 1160...

Page 8: ...9 Exhaust Adaptor 152320028 20 Trap Clamp 151010032 21 Condensate Trap 332070125 22 Intake Air Pressure Switch 192320116 GU125T 192290098 GU160T 23 Exhaust Air Pressure Switch 192320117 GU125T 1922900...

Page 9: ...quali ed service technician to inspect the water heater and to replace any damaged parts Far away from water heater In approved containers Tightly closed Out of children s reach Cannot be seen Vapors...

Page 10: ...supply line and the result of thermal expansion can create a rapid and dangerous pressure increase in the water heater and system piping This rapid pressure increase can quickly reach the safety sett...

Page 11: ...5 feet with one 90 elbow If more elbows are required the venting distance must be reduced 5 feet for every 90 elbow Condensation may be created at times as the combustion gases exit the vent cap Disco...

Page 12: ...lation procedure Insert condensate trap into the exhaust adaptor and install trap clamp Place exhaust pipe inside exhaust adaptor socket bottom Then hold the exhaust pipe in place by attaching the pip...

Page 13: ...tighten water pipe with pipe wrench Use Spanner to fix gas adaptor and then tighten gas pipe with pipe wrench Use spanner to fix valve and then tighten T P valve with pipe wrench Water Pipe Installati...

Page 14: ...g area CAUTION The condensate drain line material must be an approved material by the authority having jurisdiction In absence of such authority PVC and CPVC piping must comply with ASTM D1785 or D284...

Page 15: ...use of a condensate pump Size the pump to allow for a maximum condensate discharge of 2 GPH from the water heater Horizontal runs must be sloped 1 4 per foot towards the drain or condensate pump Be s...

Page 16: ...ll appliances in the enclosed area When combustion air is supplied from inside the building each opening should give a minimum free area of one square inch per 1 000 Btu hour of the total input rating...

Page 17: ...accordance with the above provisions should comply with NFPA 720 and be ANSI UL 2034 listed and CSA certified Signage A metal or plastic identification plate should be permanently mounted to the exter...

Page 18: ...ng Systems ULC S636 Components of this listed system shall not be interchanged with other vent systems or unlisted pipe ttings All plastic components and speci ed primers and glues of the certi ed ven...

Page 19: ...ve intake open How To Con gure Unit For Power Vent Maximum Allowable Vent and Combustion Air Piping Length 3 inch Piping Feet Max of 90 elbows 100 6 Reduce the maximum allowable length for each elbow...

Page 20: ...Operation manual WARNING Through roof Power Vent Minimum twelve 12 inches above anticipated snow level The termination cannot be connected to an existing vent piping or chimney The total vertical and...

Page 21: ...vent pipe or ttings with mortar or silicone caulk silicone caulk as show above Complete the rest of the vent pipe installation to the water heater s vent connector tting on the blower outlet If necess...

Page 22: ...When Heater is Installed Indoors Maintain the following clearances to any opening in any building 4 below 4 horizontally from or 1 above any door operable window or gravity air inlet into any building...

Page 23: ...mportant to avoid recirculation of flue gases Concentric Multivent Termination Horizontal Terminations Vertical Terminations Multiple Unit Termination Vertical Terminations Horizontal Terminations The...

Page 24: ...Clearance to each side of center line extended above meter regulator assembly 3 feet within a height 15 feet above the meter regulator assembly I Clearance to service regulator vent outlet 3 feet J C...

Page 25: ...ividual shut off valve must be isolated from the gas supply piping system by unplugging the unit and turning off the main gas valve during any pressure testing of the gas supply piping system at test...

Page 26: ...nded sizing of piping tanks and 100 lockup gas regulator NOTICE 5 Prior to start up ensure the unit is set to re propane Check the rating label for the type of fuel If there is a con ict or doubt on t...

Page 27: ...aining valve from the unit and clean the lter FILLING THE WATER DRAINING THE WATER Close the water heater drain valve by turning the knob to the right The drain valve is on the lower right side of the...

Page 28: ...o protect from power surges Do not connect 220 240V AC to this unit It will damage the water heater and void the warranty Do not disconnect the power supply when the unit is in normal operation A batt...

Page 29: ...red properly and compliant to Local and State Codes Pump control such as aquastat or timer must be used in recirculation applications or long burner runtime occur and cause premature failure Daily usa...

Page 30: ...emperature delivered Contact a licensed professional for maintenance NOTICE Once the unit has been properly installed check the gas and water connections for leaks Check for proper ventilation and com...

Page 31: ...ature should not be set higher than 120 F Please check with your local codes to ensure temperature is set properly CAUTION BURN 1 To switch the water heater ON from OFF condition press the Power Butto...

Page 32: ...water insects rodents or other foreign materials such as fallen leaves and dust that could cause blockages Do not obstruct the ow of combustion air and exhaust air ow Water Strainer The water strainer...

Page 33: ...tory and more Diagnostic Contents Example Explanation Outlet temperature Ot Ot 134 Outlet temperature is 134 F Hot water stored tank temperature Ht Ht 145 Tank temperature is 145 F Fan RPM Rp Rp 4500...

Page 34: ...hout a service call Please quote the code displayed when inquiring about service NOTE In all cases you may be able to clear the Error Message simply by turning the hot water tap OFF then ON again If t...

Page 35: ...35 Wiring and Connection Diagram Wiring Diagram MODEL GU125T 518 11 12 1125 GU160T 518 11 12 1160...

Page 36: ...not apply when the Product is used with recirculation system for hot water on demand is installed unless external aquastat or timer controls and a thermal expansion tank are installed and properly and...

Page 37: ...isregarding Grand Hall sizing recommendations power or direct venting with air intake exposed to contaminated environment solely closed loop space heating applications and uncontrolled or improperly s...

Page 38: ...38 The stand assembly installation manual...

Page 39: ...39 The stand assembly installation manual...

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