Bradford-White Corp TG237I-N(X) manual

238-48022-00D 7/11 Bradford White EverHot  Tankless Gas Water Heater For Interior Installation TG-150I-N(X), TG-180I-N(X), TG-199I -N(X), TG237I-N(X) & TG-237I-N(X)A INSTALLATION AND OPERATION INSTRUCTION MANUAL With Troubleshooting Guide PLACE THESE INSTRUCTIONS ADJACENT TO WATER HEATER AND NOTIFY OWNER TO KE EP FOR FUTURE REFERENCE  Do [...]

2 SECTION I: IMPORTANT INFORMATION TABLE OF CONTENTS I IMPORTANT INFORMATION ......... 2 VII ELECTRICAL CONNECTIONS ... 49 II SPECIFICATIONS .......................... 6 VIII OPERATING INSTRUCTIONS .... 60 III INSTALLATION INSTRUCTIONS ............................. 9 TEMPERATURE ADJUSTMENT ............................. 62 IV WATER CONNECTIONS .....[...]

3 DO NOT store or use gasoline or other flamm able, combustibl e, or corrosive vapors and/or liquids in the vicinity of this or any other appliance. Failure to properly install the vent and air intake (if applicable ) system coul d result in prope rty damage, personal injury, or death. DO NOT install any damaged venting system components. If damage[...]

4 DO NOT tamper with or alter the water h eater and/or controls. DO NOT operate water heater with jum pered or absent controls or safety devices. DO NOT operate water heater if any external part ha s been under water. Immediately call a qualified service technician to inspect the water heater and to re place any part of the cont rol system includin[...]

5 Liquefied petroleum ga ses/propane ga s is heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, cl osets and areas below gr ound level will serve as pockets for accumulation of leakin g gas. Before lighting, smell all around the appliance area for gas. Be sure to smell next to the floor. IF YOU SMELL GAS: D[...]

6 SECTION II: SPECIFICATIONS Table 1. Specifications . * Minimum flow may vary slightly depending o n the temperature setting and the inlet water temperature. ** For commercial and hydr onic applications requ iring higher temperatures. Requires the use of an optional controller (P/N 239-47805-00). Bradford White Corporation is continually updating [...]

7 Dimensions Table 2. Water Heater Dimensions (Approx.). DIM DESCRIPTION TG-150I-N(X) TG-180I-N(X) TG-199I-N(X) in. (mm) TG-237I-N(X) TG-237I-N(X)A in. (mm) A Width 14 (355.6) 18 1/2 (470) B Depth * 9 5/8 (244.5) 9 1/8 (230.5) C Height - Unit 22 7/8 (582) 23 5/8 (600) D Height - w ith brackets 25 1/2 (648.2) 25 1/8 (639.8) E Hot Water Outlet - from[...]

8 Figure 1. Graph Showing Pressure Drop v. Water Flow Rate. 0. 0 1. 0 2. 0 3. 0 4. 0 5. 0 6. 0 7. 0 8. 0 9. 0 10. 0 0 25 50 75 100 125 150 Figure 2. Graph Showing Water Flow Rate v. Temperature Rise. TG-150 I -N(X) TG-237 I -N(X) TG-237 I -N(X)A TG-199 I -N(X) TG-180 I -N(X) Pressure Drop (psi) Water Flow Rate (gpm) Pressure Loss (ft head) TG-237 I[...]

9 SECTION III: INSTALLATION INSTRUCTIONS CAUTION If building cold water suppl y has a back-flow prevente r, check valve or wat er meter with check va lve, provisions for thermal expansion of water in the hot water system must be p rovided. WARNING Pressure relief valve discharge piping must be pi ped near floor to eliminate potential of severe burn[...]

10 WARNING UNPACKING INSPECT SHIPMENT carefully for any signs of damag e. 1. All equipment is carefully manufactured, insp ected and packed. 2. Any claims for damage or shorta ge in shipment must be file d immediately with Bradford White Corporation and noted on the Bill of Lading. WATER HEATER LO CATI ON 1. The TG series water heaters may be vente[...]

11 MOUNT WATER HEATE R ON T HE W ALL Determine the proper height and location for the water heater to be installe d. Consider the venting system, as well as the water and gas connections. Allow enough room for servi cing the water heater and maintain the clearances f rom combusti ble materials. Th e water heater is supported on the wall by means of[...]

12 State Regulations NOTICE BEFORE INSTAL LATIO N Bradford White direct-vent applia nce mu st be installed by a state qualifi ed or licen sed contractor. If you are not properly trained, you must not install this unit. IMPORTANT: In the State of Massachuse tts (248CMR 4.00 & 5.00) For all side wall horizontally vented ga s fueled equipment inst[...]

13 SECTION IV: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed pressu re relief valve will release the manufacturer from any claim, which might result from excessive temperature and pressures. Keep clear of the pressure relief valve di scharge line outlet. The discharge may be hot eno ugh to cause scald injury. The water is [...]

14 potable water. Unions should be installed on both the hot and cold water lines fo r future servicing and disconnection of the water heater. Install a shut -off valve in the cold water sup ply line. 2. In order to service the water heater in the event the h eat exchanger needs to be flushed of mineral deposits, tee fittings with shut-off valv es [...]

15 Figure 3. Scald Warning . Table 5. Approximate scald time/temperatures. APPROXIMATE TIME/TEMP ERATURE RELATIONSHIPS IN SCALDS 120°F (49  C) More than 5 minutes 125°F (52  C) 1½ to 2 minutes 130°F (54  C) About 30 seconds 135°F (57  C) About 10 seconds 140°F (60  C) Less than 5 seconds 145°F (63  C) Less than 3 seconds 15[...]

16 Figure 4. Recommended Piping for a Basic Installation.[...]

17 Figure 5. Recommended Piping for a Circulation Systems .[...]

18 Recommended Piping for Po wer Failure Freeze Protection As long as electrical power a nd gas are su pplied to the EverHot  water h eater, freeze protection is provided to the heat exchanger and pipi ng inside the wate r heater with ambient temperatures as col d as -30  F (-34  C), when protected from direct wi nd exposure. In the event [...]

19 PRESSURE RELIEF VALVE Keep clear of the pressure reli ef valve di scharge li ne outlet. The discharge may be hot enough to cause scald injury. The water is unde r pressure and may splash. For protection against excessive pressure, insta ll pressure protective equipment req uired by local codes, but not less than a pressure reli ef valve certifie[...]

20 Combination Water and Space Heating Applications – Commercial Use Water Heaters Only Commercial use water h eaters may be used for space heatin g or combination space heating/potable water heating applications, provided the followin g requirements and re commended piping di agrams are carefully followed. WARNING The following instructions must[...]

21 Note: in Massachusetts, the following must be done:  Tempered potable water m ust meet temperatures in 248 CM R.  All water piping must be insulated in accordance with 780 CMR (Massachu setts energy code).  50 feet maximum distance from water heater to space heating lo ad (developed length).  Piping loop between water heater and h ea[...]

22 SECTION V: VENTING WARNING The venting system must be properly installed. F a ilure to properly install the vent system could result in property damage, personal injury, or death. Do not install damaged venting syste m componen ts. If damage is evident, please cont act the supplier where the water h eater was purchased or the venting man ufactur[...]

23 VENTING The venting instructions must be followed to avoid re stri cted combustion or recirculation of flue gases. Such conditions cause sooting or risks o f fire and asphyxiation. Models TG -150I-N(X) , TG-180I-N (X) , and TG-199I-N (X) are a direct vent design with a single coaxial vent tube in which the flue products are discharged to the out[...]

24 Vent / Air Intake Terminal Locations Direct Vent Terminal Location Plan the vent system layout so that proper cl earances are maintai ned from plumbing and wiring. Before the vent is installed, determine the vent pipe termin at ion location as shown below in the Vent Termi nal Location illustration. Figure 8. Vent / Air Intake Terminal Positions[...]

25 Vent pipes serving power vented appliances are clas sified by building cod es as “vent connectors.” Required c learanc es from comb ustible mater ials must be provided in accordance with information in this manual under Location of Wate r Heater and Clearan ces, as well as the National Fuel Gas Code an d local codes. Table 7 . Venting Table [...]

26 Prior to the Installation of the Ev erHot  Direct Vent System The EverHot TG series wa ter heaters have two adj ustable wall mounting supp ort brackets fitted on the top and bottom of the water heater casing. When in stalling a “Standard Vent Discharge Kit” to vent directly out the wall to the back of the water he ater, these brackets s h[...]

27 Figure 10. Illustration Showing the Maximum Vent Height before the Condens ate Collector Must be Used. Figure 11. Illustration Showing a Horizontal Termination Insta llati on Using the Condensate Coll ector (and a trap).[...]

28 Vertical Direct Vent Installations The EverHot  TG series water heaters can also be install ed to vent vertically throug h the roof using a vertical discharge a dapter, optional vent extension tu bes, the condensate collector, a roof terminal, and a universal lead tile. Use of the conden sate collector is required o n all vertical venting hei[...]

29 Combustion Blower Dip Switch Settings To assure optimum efficiency and red uced noise levels , the combustion blower switch ha s two dip switch settings. Dip switch numb er 1, the top dip switch, is shipped from the factory set to the ON po sition to compensate for the maximum vent/air intake length. Depending upon the vent /air intake length of[...]

30 Installation of Venting System Components WARNING Refer to the Bradford White EverHot TG series water heater Inst allation and Operation Instruction Manual for details conce rning vent system terminat ion po sitions/clearances, allowable ve nt pipe lengths, and in what position dip switch n umber 1 should be placed. If you do not understand h ow[...]

31 Condensate When the total vent system length is greater than 5 ft (1.52 m), co ndensate will form which could dam age the water heater. For vent lengths great er than 5 ft (1.52 m), the c ondensate co llector and a trap must be installed. Recommended Vent/Air Inta ke Terminal Position Terminals should be so positioned as to avoid products of com[...]

32 General Installation Instructions Joint Connection Figure 15. Illustration Showing How to Properly Connect Venting. Firmly press the vent pipe sect ions together to ensure that the gaskets properly seal. Coping with Condensation Figure 16. Illustration Showing How to Ensure Proper Condensate Drainage. Make sure that the socket s are pointed 1° [...]

33 Condensate Drain Every vent system should utilize the conden sate collector unle ss installed with a total vent length of less than 5 ft (1.52 m). The condensate collector i s incor porated into the water heater’s vent connectio n. To prevent condensate from draini ng back to the water heater, the co ndensate colle ctor and trap should be used[...]

34 Venting Parts & Dimensions Components Needed for Direc t Vent Applications Figure 19. Wall Discharge Terminal Plate, Le ngth = 12 in. (305 mm), p/n 223157. Figure 20. Vent Extensions, (3) Different Lengths. 10 in., p/n 224051 19.5 in., p/n 224052 39 in., p/n 239-224053 Figure 21. (2) 45º Vent Pipe Elbows, Sold in Pairs Only, p/n 224050. Fig[...]

35 Figure 23. Vent Pipe Clamp, p/n 169044. Figure 24. Vertical Discharge Roof Terminal, p/n 184118-S . Figure 25. Pitch Roof Flashing. 1/12 Pitch, p/n 189950 8/12 Pitch, p/n 189952 6/12 Pitch, p/n 189951 Figure 26. Flat Roof Flashing, p/n 146141. Figure 27. 21” Non-Condensing Horizontal Termination, p/n 223187.[...]

36 Installation Instructions - Ev erHot ® Horizontal Discharge Vent Sy stem Identify the Vent Location Figure 28. Illustration Showing How to Locate the Vent for a Horizontal Di scharge. Steps: 1. Place horizontal discharge adapter on water heate r. 2. Mark the position on wall. 3. Or, use template provided with water heater. 4. Cut the hole in th[...]

37 Measure Dimension to Fit Figure 29. Illustration Showing How to Determine the Proper Length for the Wall Discha rge Terminal. Figure 30. Illustration Showing How to Properly Cut a Vent Extension. NOTICE If the vent system is short er than 5 ft (1.52 m) and th e condensate collecto r is not used, be sure to install the wall terminal with a 1° an[...]

38 Final Installation of the Vent Sy stem Figure 31. Illustration Showing the Installati on of a Horizontal Vent System. From the outside of the building, slide the wall disc harge te rminal through the vent wall passage. A supplied rubber wall plate can be install ed on the exterior of the building. Slide the inner wall plate onto the terminal. If[...]

39 Installation Instructions - Ev erHot ® Vertical Discharge Vent Sy stem Figure 32. Illustration Showing the Installati on of a Vertical Vent System. Identify the Vent Location Determine the location where the roof discha rge terminal will be installed. Be sure to take into account the angle of the roof and cut the hole wi th a dimension t hat al[...]

40 Mounting the Vent Sy stem – Vertical Discharge Figure 34. Illustration Showing the Installation of Vertical Discharge Venting. Vent connections must be firmly pres sed togeth er, so that the gaskets fo rm an airtight se al. Secure the system with a vent pipe clam p or perforated hang er iron. NOTE When the total vent system length is greater t[...]

41 To Connect the Exhaust Vent: Refer to the venting manufacturer’s installation in st ructions for t he specific exh aust vent sy stem. Horizontal Discharge for TG-237I Models The air intake must be located in relation to the exhaust, as shown below. The air intake must angle ¼” per foot to the termination to prevent entry of rain. The vent t[...]

42 Figure 37. Illustration Showing the Installation of Venting for TG-237I Models. Figure 38. Illustration Showing the Installation of Concentric Vent Termination for TG-237I Models.[...]

43 Figure 39. Illustration Showing the Installati on of Vertical Terminations for TG-237I Models. High Altitude Installations The default setting for the water is 0-2,000 ft (0-61 0 m) with dip switch numbers 2 and 3 in the OFF position. If this water heater is i nstalled at a highe r altitude, it is necessary to modify the dip swit ch settings acc[...]

44 Figure 40. Template to be Used for Cutting a Hole for the Coaxial Vent Pipe Used on TG-150I , TG-180I , and TG-199I Models.[...]

45 Venting Suppliers Table 10. Venting Suppl iers for TG-150I, TG-180I , and TG-199I Models. Manufacturer Product Bradford White Rolux Vent System Rinnai/Ubbink Rolux Vent System Heat-Fab Saf-T Vent SC system Metal-Fab Corr/Guard Vent/Air Intake System Table 11. Venting Suppl iers for TG-237I Models. Manufacturer Product Appliance Adapter Vertical [...]

46 SECTION VI: GAS CONNECTIONS WARNING Connect this water heater only to the ty pe of gas as shown on the rating plate. Use clea n black iron pipe or equivalent material approved by local codes and ordinances. Dirt and scale from th e pipe can enter the gas valve a nd cause it to malfunctio n. The inlet gas li ne must have at least a 3 in. (7.62 cm[...]

47 Check the type of ga s and the gas inl et pressure be fore connecting the EverHot ® water heater to the gas supply. If the gas su pply type does not match the type shown on the water heater rating pl ate, then DO NOT connect the water he ater. Contact your Bradford White supplier for the correct water heater. GAS METER SIZE – NATURAL GAS ONLY[...]

48 INITIAL OPERATION AN D TESTING (INSTALLER ONLY ) 1. Open the gas and water supply valves to the water heater. 2. Check for water and gas le aks. Use soap solution to che ck for gas leaks. 3. To check inlet supply p ressure, remove the 1/8” NPT plug on the gas inlet suppl y fitting just below the bottom casing and inst all a barb fitting for at[...]

49 SECTION VII: ELEC TRICAL CONNECTIONS WARNING Turn off or disconnect the electrical power supply to the water heater before servicing. L abel all wires prior to disconn ection when se rvicing controls. Wiring erro rs can cause imp roper and dangerous operation. Verif y proper operation after servicing. All electrical wiring must be install ed and[...]

50 WARNING DO NOT adjust any dipswitch settings on PC board e xcept dip switch number 1, if required, for vent length or unless instructed to do so. RELA Y 1 IG FROST SENSING SWITC H ANTI- FRO ST HEA TER IG NI TION COMB U STION FA N 3 A(FUSE) HO T NE UTRAL VARI S TOR DC1 2.6V SOLENO ID DRI VI NG CI RC U I T CPU CENTRAL P R OCESSING UNIT FA N REMOTE[...]

51 Figure 42. Wiring Diagram for TG-150I-N(X), TG-180I-N(X), and TG-199I-N(X) Models.[...]

52 Figure 43. Wiring Diagram for TG-237I-N(X) and TG-237I-N(X)A Models.[...]

53 TEMPERATURE CONTROLS The front panel temperature control allows th e end user to set the hot wate r supply temperature and will display certain diagnostic cod es of the water heater if there is a malfunction. All models ha ve the option of up to four controllers that can be used to conv eniently control water tem peratures for bath and shower fi[...]

54 WARNING Do not adjust this water h eater in any residential application abov e 120ºF. If this water heater is used in a commercial application where temperatures in excess of 120ºF are required, use an ASSE approved mixing device. WARNING This water heater is equipped with an energy cut out device to prevent overheating. Should overheating occ[...]

55 °F Set Temperature In Use Priority e n d l e s s h o t w a t e r s y s t e m CAUTION: Hot ter water in cr e ases t h e r i s k of scald injury. Before changing temperature setting, see instruction manual. C O R P O R A T I O N R P o B P r i r i t y u t t o n Temperature Display In Use Indicator Priority Button Priority Indicator Thermostat Figu[...]

56 6. Mount the control to the wall using the holes dr illed and with the screws supplied. Note: Plastic wall anchors may be required if the control is no t located over a stud when mounting on wallboard. Note: If the cable cannot be run inside the wall cavi ty, then the plastic knockout should be re moved from the top or bottom of the control to a[...]

57 INITIAL OPERATION AN D TESTING OF CONTRO LS (INSTAL LER ONLY) 1. Turn on power to the water heater a nd fully open a hot water tap. 2. Check the operation of the water heater. Check the operation of the remote tempe rature control(s). Check the operati on of the power failure protection system (drain sol enoids). 3. Explain the proper operation [...]

58 Table 20. (FM) Combusti on Fan Motor. Wire Color Voltage Resistance Connector No. Pin Nos. Red-Black 6-45 VDC n/a E1 1-2 White-Black 5-10 VDC 9.2-9.4k ohms E1 2-4 Yellow-Black 11-13 VDC 3.5-3.9k ohms E1 2-3 Set your meter to the hertz scale. Reading across the white and black wires at terminals 2 and 4 you should read between 60 and 420 hertz. T[...]

59 With the power off, you can check th e continuity through the surge protector. Pl ace a meter lead on the top pin #1 of the surge protector and pin #3 on the b otto m of the surge protector. Check across the top pin #3 and the bottom pin #1. If you read continuity acro ss these two points, the surge p rotector is good. If you do not get continui[...]

60 SECTION VIII: OPERATING INSTRUCTIONS WARNING Water heaters are he at-producing app liances. To avoid dam age or injury there must be no materials stored against th e water heater o r direct vent sy stem, and proper care must be taken to avoid unnecessary contact (especially by children ) with the water heater a nd direct vent system. UNDER NO CI[...]

61 LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFO RE OPERATIN G WARNING: If you do not follo w these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This water heater does not have a pilot. It is equipped with a direct ignition device, which automatically lights the burner. Do not t[...]

62 CAUTION In climates where below freezing tempe ratures may occur, the water h eater must be drained when power is off to the water heater to prev ent free ze damage to the heat exchanger. Drain sol enoids are recommended to prevent freeze damage during p ower failures in cold climate regions. TURNING OFF THE WATER HEA TER FOR AN EXTENDED PERIOD [...]

63 2. To set the de sired temperature on the control, all hot water faucets must be closed. If there are remote controls installed, press the “Priority” button on the cont rol you want to change the setting on and the “Priority” indicator light will glow. 3. Press the “H” or “C” button until the required te mper ature is displayed o[...]

64 SCALDING Figure 49. Scalding Warning. This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot w ater to avoid scalding injury. Cer tain applianc es, such as dishwas hers and automatic clothes washers may require increased wate r temperature. By setting the thermo stat on this water heat[...]

65 FIRST AID FOR SCALDS 1. Apply cold water to burned area for 30 minutes to re duce the heat in the skin a nd prevent deeper burning. Never use butter, oils, or ointm ent to cover the burn. They may retain the heat. 2. Use a blanket to keep the scalded perso n warm. 3. Seek medical advice. DIAGNOSTIC CODES ON THE TEMP ERATURE CONTROL DISPLAY (B OT[...]

66 Code Code Description Remedy 12 Flame Failure Check that the gas is turned on at the water heater and gas meter. Check for obstructions in the flue outlet. Ensure gas line, meter, and/or regulator is sized pro perly. Ensure gas type and pressure is correct. Bleed all air from gas lines. Ensure proper Bradford White venting mater ial was installe[...]

67 Code Code Description Remedy 72 Flame Sensing Device Fault Ensure flame rod is touching flame when unit fires. Check all wiring to flame rod for damage. Remove flame rod and check for carbon b uild-up; clean with sand paper. Check inside burner chamber for any foreign material blocking flame at fla me rod. Measure micro amp output of sensor circ[...]

68 SECTION IX: MAINTENANCE WARNING Always turn off the electrical power supply, the manual ga s valve, and the manual wate r control valve whenever servicing this applian ce. KEEP THE WATER HEATER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS, GASOLINE, AND OTHER FLAMMABLE VAPORS AND LIQUIDS. The EverHot  water heater should b e checked annuall[...]

69 CAUTION Before manually operating the valve, make su re t hat a drain line has been attached to the valve to direct the discharge to a n open drain. Failure to take this precaution could mean contact with extremely hot water passing out the valve during this checking operation. FLUSHING PROCEDURE FOR MINE RAL SCAL E REMOVAL FROM HEAT EXCHANGER T[...]

70 Figure 51. Piping for Mineral Scale Flushing. Rinnai Wa te r Heater Ga s S u ppl y V1 V3 V2 V4 H1 H2 H3 Ci rc u la ting Pump 5 g all on pai l o f vi r gin, fo od g rad e , w h i t e vin e g a r (o r vir gin, fo od gr a d e , ci t ri c a c i d) . Co l d W a t e r L in e Ho t W at er Li ne n-l i ne Fi l te r I Ev e r H o t®[...]

71 Common Troubleshooting Commen ts on the Operation of the EverHot ® Tankless Water Heater Comment: I don’t have any hot water when I open the tap! Make sure the gas and electricity is turned on to t he water heater. The temperature display should have the green light lit when a hot wate r tap is open and th e water heater is operating. Ma ke s[...]

72 SECTION X: PARTS LIST TG-150I, TG-180I , and TG-199I Models[...]

73 TG-199I-N TG-199I-X TG-180I-N TG-180I-X TG-150I-N TG-150I-X No Description Quantity 001 Main Body 1 1 1 1 1 1 002 Wall Fitting Bracket 2 2 2 2 2 2 003 Rubber Bushing 1 1 1 1 1 1 004 Conne ction Reinforcement Panel 1 1 1 1 1 1 005 Heat Protecti on Plate 1 1 1 1 1 1 006 Front Panel 1 1 1 1 1 1 007 Front Panel P acking 1 1 1 1 1 1 008 Main Body Pac[...]

74[...]

75 TG-199I-N TG-199I-X TG-180I-N TG-180I-X TG-150I-N TG-150I-X No Description Quantity 103 24 Burner Unit Assembly ( LPG) - 1 - 1 - 1 103 24 Burner Unit Assembly ( NG) 1 - 1 - 1 - 110 Manifold Assembly (LPG) - 1 - 1 - 1 110 Manifold Assembly (NG) 1 - 1 - 1 - 113 Pressure Point Sealing Screw 1 1 1 1 1 1 114 Combustion Chamber Front Panel 1 1 1 1 1 1[...]

76[...]

77 TG-199I-N TG-199I-X TG-180I-N TG-180I-X TG-150I-N TG-150I-X No Description Quantity 100 Gas Control Assembly 1 1 1 1 1 1 101 Blind Screw 2 2 2 2 2 2 102 3/4 Gas Inlet 1 1 1 1 1 1 400 3/4 Water Inlet B 1 1 1 1 1 1 401 Water Flow Servo & Sensor Assembly 1 1 401 Water Flow Servo & Sensor Assembly 1 1 1 1 402 Rectifier 1 1 1 1 1 1 403 By-pas[...]

78[...]

79 TG-199I-N TG-199I-X TG-180I-N TG-180I-X TG-150I-N TG-150I-X No Description Quantity 712 Frost Sensing Switch 1 1 1 1 1 1 713 Anti Frost Heater (120V) 1 1 1 1 1 1 715 Valve Heater (120V) Assembly 1 1 1 1 1 1 720 Power Cord 1 1 1 1 1 1 721 Fuse Harness(FF) 1 1 1 1 1 1 722 Power Harness 1 1 1 1 1 1 723 Magnet Valve Harness 1 1 1 1 1 1 724 Sensor Ha[...]

80 TG-237I Models[...]

81 TG-237I-N TG-237I-X TG-237I-NA TG-237I-XA No Description Quantity 001 Main Body 1 1 1 1 002 Heat Protection Plate 1 1 1 1 004 Front Panel Assembly 1 1 1 1 007 Wall Fitting Bracket 2 2 2 2 010 Front Panel Packing -Top 2 2 2 2 011 Front Panel Packing -Side 2 2 2 2 012 Connection Reinforcem ent Panel 1 1 1 1 014 Seal Packing 1 1 1 1 017 Rubber Bush[...]

82[...]

83 TG-237I-N TG-237I-X TG-237I-NA TG-237I-XA No Description Quantity 101 Screw 2 2 2 2 103 Manifold Assembly (LPG) - 1 - 1 103 Manifold Assembly (NG) 1 - 1 - 104 Burner Unit Assembly (LP G) - 1 - 1 105 Burner Unit Assembly (NG) 1 - 1 - 113 Combustio n Chamber Front Plate 1 1 1 1 115 Electrode 1 1 1 1 116 Flame Rod 1 1 1 1 117 Electrode Packi ng 1 1[...]

84[...]

85 TG-237I-N TG-237I-X TG-237I-NA TG-237I-XA No Description Quantity 015 Rubber Bushi ng 1 1 1 1 022 Fan Rectifier 1 1 1 1 100 Gas Conne ction 1 1 1 1 101 Screw 2 2 2 2 102 Gas Cont rol Assembly 1 1 1 1 400 Water Inlet 1 1 1 1 401 Plug Band 1 1 1 1 402 Water Filter Assembly 1 1 1 1 405 Water Flow S ervo & Sensor Assembly 1 1 1 1 406 Rectifier 1[...]

86[...]

87 TG-237I-N TG-237I-X TG-237I-NA TG-237I-XA No Description Quantity 708 120V Anti-Frost Heater Assembly 1 1 1 1 712 120V Valve Heater Assembly 1 1 1 1 714 Thermal Fu se Harness 1 1 1 1 716 Thermistor 2 2 2 2 718 Frost Sensing Switch 1 1 1 1 720 Fuse Harne ss 1 1 1 1 721 Power Suppl y Harness 1 1 1 1 722 Igniter Harne ss 1 1 1 1 723 Sensor Harness [...]

88 SECTION XI: WARRANTY What does this Limited Warr anty Cover? This limited warranty covers b oth the heat exchanger and component parts for leakag e or other malfunction caused by defects in materials and/or wo rkmanship. It applies to the o riginal consumer purchaser and to any subseque nt owner as long as the wa ter heate r remains installed at[...]

89 all circulating water flow s through the water heater, and whe re an on-dema nd recirculation system is n ot incorpora ted. On-demand recirculation i s defined as a hot water re-c ir culating loop or system that utilize s existing hot and cold lines or a dedicated return line, and only acti vates when hot water is used. It can be activated by a [...]

90 EverHot® Limited Warranty Registration In order to confirm Limit ed Warranty coverage at 12 year s for Residential Applications 1 , complete the information below and click submit. *Consumers First Name: *Consumers Last Name: ____________________ ___________________ *Address: *City: ____________________ ____________________ *State: *Zip: ______[...]

91 NOTES:[...]

Ambler, PA For U.S. and Canada field service, Contact your professional installer or local Bradford White representative. Sales/ 800-523-2931 Fax/ 215-641-1670 Parts Fax/ 215-641-2180 Technical Support/ 800-334-3393 Fax/ 269-795-1089 Warranty/ 800-531-2111 Fax/ 269-795-1089 International: Telephone/ 215-641-9400 Telefax/ 215-641-9750 Mississauga, O[...]