Whirlpool UG2H4040T3NV EST - Manuals

5 IMPORTANT: The water heater should be located in an area where leakage of the tank or connections will not result in damage to the area adjacent to the water heater or to lower floors of the structure. Due to the normal corrosive action of the water, the tank will eventually leak after an extended...

6 Gas Supply Gas Requirements IMPORTANT: Read the data plate to be sure the water heater is made for the type of gas you will be using in your home. This information will be found on the data plate located near the gas control valve/thermostat. If the information does not agree with the type of gas ...

7 Nominal Iron Pipe Length of Pipe, Feet Size, in. 1/23/4 1 1-1/41-1/2 132278520 10501600 92 190350730 1100 73 152285590890 63 130245500760 56 115 215440670 50 105195400610 4696 180370560 4390 170350530 4084 160320490 3879 150305460 3472 130275410 3164 120250380 2859 110 225350 2655 100210320 10 20 ...

8 Unconfined Space A water heater in an unconfined space uses indoor air for combustion and requires at least 50 cubic feet for each 1,000 BTUH of the total input for all gas appliances. The table below shows a few examples of the minimum square footage (area) required for various BTUH inputs. 30,00...

9 All Air from Outdoors Outdoor fresh air can be provided to a confined area either directly or by the use of vertical and horizontal ducts. The fresh air can be taken from the outdoors or from crawl or attic spaces that freely communicate with the outdoors. Attic or crawl spaces cannot be closed an...

12 Water System Piping Piping, fittings, and valves should be installed according to the installation drawing (Figure 13). If the indoor installation area is subject to freezing temperatures, the water piping must be protected by insulation.Water supply pressure should not exceed 80% of the working ...

13 Please note the following: • The system should be installed only with piping that is suitable for potable (drinkable) water such as copper, CPVC, or polybutylene. This water heater must not be installed using iron piping or PVC water piping. • Use only pumps, valves, or fittings that are compatib...

14 For protection against excessive pressures and temperatures, a temperature and pressure relief valve must be installed in the opening marked “T & P RELIEF VALVE” (see Figure 15A). This valve must be design certified by a nationally recognized testing laboratory that maintains periodic inspect...

15 Special Applications Combination Space Heating/Potable Water System Some water heater models are equipped with inlet/outlet tappings for use with space heating applications. If this water heater is to be used to supply both space heating and domestic potable (drinking) water, the instructions lis...

16 Water Heater Location Water heater location is important and can affect system performance. Please check the following: □ Installation area free of corrosive elements and flammable materials. □ Centrally located with the water piping system. Located as close to the gas piping and vent pipe system...

17 OPERATING YOUR WATER HEATER Lighting Instructions Read and understand these directions thoroughly before attempting to light or re-light the pilot. Make sure the viewport is not missing or damaged. (See Figure 23) Make sure the tank is completely filled with water before lighting the pilot. Check...

18 Checking the Draft After successfully lighting the water heater, allow the unit to operate for 15 minutes and check the draft hood relief opening for proper draft. Make sure all other appliances in the area are operating and all doors are closed when Burn Hazard Do not touch vent. Doing so can re...

19 The thermostat is adjusted to its lowest temperature when it is shipped from the factory. Water temperature can be regulated by moving the temperature dial to the preferred setting. The preferred starting point is 120°F. Align the index bar on the thermostat with the desired water temperature as ...

20 Operational Conditions Condensation Moisture from the products of combustion condenses on the tank surface and the outside jacket of the water heater and forms drops of water which may fall onto the burner or other hot surfaces. This will produce a “sizzling” or “frying” noise. NOTE: This condens...

21 MAINTENANCE OF YOUR WATER HEATER Draining and Flushing It is recommended that the tank be drained and flushed every 6 months to remove sediment which may build up during operation. The water heater should be drained if being shut down during freezing temperatures. To drain the tank, perform the f...

22 Replacement Parts IMPORTANT: The following maintenance procedures are for the Flame Lock™Safety System components and should be performed by a qualified person.Replacement parts may be ordered through your plumber or the local distributor. Parts will be shipped at prevailing prices and billed acc...

23 Replacing the Thermocouple 1. Remove the Burner Door Assembly as directed previously. 2. Remove the retainer clip from the back of the two piece wire connector and remove the two piece wire connector from the assembly (Figure 25). 3. Pull the thermocouple from the pilot assembly (Figure 29). IMPO...

25 Removing and Replacing the Gas Control Valve/Thermostat IMPORTANT: The gas control valve/thermostat is a standard valve with a right-hand thread thermocouple. Use only factory authorized replacement parts.Removing the Gas Valve:1. Turn the gas control knob on the combination gas control valve/the...

27 PILOT LIGHT TROUBLESHOOTING CHART Have you bled all the air from the pilot tube and gas supply line? NO While repeatedly depressing the igniter button, hold down the reset button until the pilot is lit and maintains a stable flame, then slowly release the reset button. YES Section A: Pilot light ...

28 Item No. Parts Description 1 DRAFT HOOD 2 REDUCER RING - SOME MODELS 3 FLUE BAFFLE 4 HEAT TRAP (COLD) - SOME MODELS 5 HEAT TRAP (HOT) - SOME MODELS 6 COLD WATER DIP TUBE 7 ANODE ROD 8 TEMPERATURE & PRESSURE RELIEF VALVE (LOCATED TOP OR SIDE) 9 DRAIN VALVE 10A GAS CONTROL VALVE/THERMOSTAT 10B ...

29 Listed Parts Kits and Illustrations Item 12: Pilot assembly which contains the pilot assembly and igniter electrode. (Natural Gas)Item 13: Burner Door assembly which contains the burner, gasket, door, pilot tube, two piece wire connector with retainer clip, and pilot assembly. (Natural Gas/Low No...