Bosch 830ES Installation Manual Download Page 25 | Manualshive

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6 720 644 930

Installation instructions

25

Fig. 29 Distance between support boards

Fig. 30 Leveling the mounting bracket on the studs

Fig. 31 Mounting the heater

Studs 16"

(406mm) on

center

6720608158-64.1AL

Warning: Appliance must be installed
vertically.

6720608158-05.1AL

6720608158-05.1AL

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Summary of Contents for 830ES

Page 1: ...operty damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter Upon completion of the installation these instructions should be handed to the user of the appliance for future reference What to do if you smell gas Close...

Page 2: ...cription LCD display 35 5 2 For your safety read before operating your water heater 36 5 3 Power 36 5 4 Temperature selection 36 5 5 Use of optional remote control accessory part no TSTAT2 37 5 6 Operation 37 5 7 Reset button 37 5 8 Program button 37 5 9 Locked condition 38 6 Maintenance and service 38 6 1 Annual maintenance 38 6 2 Winterizing for seasonal use 39 6 3 Mineral scale build up 39 6 4 ...

Page 3: ...do so could result in severe personal injury or death Warning The heater must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures equal to or more than 0 5 psig Warning The appliance should be located in an area where leakage of the heater or connections will not result in damage to the area adjacent to the appliance or to lower floors of ...

Page 4: ...If a relief valve discharges periodically this may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the relief valve Warning If the water heater is used in a space heating application all piping and components connected to the water heater must be suitable for use with potable water Warni...

Page 5: ...input 199 000 Btu h 58 3 kW Efficiency in Thermal efficiency 82 Min Input 19 900 Btu h 5 8 kW Temperature Control Selection range 100 F 38 C 140 F 60 C Default temperature 122 F 50 C Stability 2 F 1 C Gas Requirement Gas connection inches Inlet gas pressure under operation with a high hot water flow rate Propane 8 13 water column Natural Gas 3 5 10 5 water column To measure gas pressure see Measur...

Page 6: ...rial number B Type of gas The box includes 940 ES Bracket for wall hanging the heater Exhaust vent adaptor with 4 screws and gasket provided Combustion air inlet adaptor with 3 screws and gas ket provided Installation manual manual can be downloaded at www bosch climate us Product registration card Please complete and return the enclosed product registration card The 940 ES is not approved or desi...

Page 7: ...occupied rooms normally kept closed See chapter 3 5 page 24 and 3 4 page 23 B 4 You must vent your heater See chapter 3 3 page 9 on VENTING B 5 The appliance and its gas connection must be leak tested before placing the appliance in operation The appliance must be isolated from the gas supply piping system by closing its individual manual gas shutoff valve not supplied with heater during any press...

Page 8: ... 4 Power ON or stand by LED 5 LCD display 6 Up button 7 Down button Fig 7 Minimum clearances Note For servicing access a 2ft clearance to front cover is recommended 6720608158 04 2AL 2 3 1 6 5 7 4 reset P 5 30 17 7 8 5 11 2 6 2 16 5 5 2 16 4 1 16 6 5 16 1 16 5 16 Model 940 ES TOP A 12 FRONT B 1 BACK 0 SIDES 1 FLOOR C 12 Table 1 Minimum clearances ...

Page 9: ...o the heater Warning Do not reduce the vent exhaust and combustion pipe sizes and do not common vent with any other vented appliance or stove Warning Failure to vent the exhaust gases to the outside with sealed stainless steel vent pipe AL29 4C may result in dangerous flue gases filling the structure in which it is installed Warning Do not mix vent pipe or joining methods from different manufactur...

Page 10: ...quirements cannot be maintained it is permissible to chase straight sections of sealed 3 inch single wall vent through 4 inch or greater Type B vent The distance to combustibles using this chase technique is 1 inch Note Type B vent must never be used as the actual exhaust vent system for the appliance as it is not gas tight and illegal for use with this appliance This will create a serious health ...

Page 11: ...lengths for combustion air and exhaust piping with consideration to the number of elbows used Reduce the equivalent length for each elbow used from the maximum allowable length Use of elbows It is recommended to limit the amount of elbows used in the exhaust and combustion air piping to reduce friction in the air flow The following lists the maximum amount of 90 elbows allowed in either the exhaus...

Page 12: ...x length 28 5 90 elbow reduction 5 sub total 23 5 45 elbow reduction 1 25 Total 22 25 Table 11 i For this example the maximum allowable combustion air pipe length is 22 25 feet System used Twin pipe Number of 90 elbows needed 2 Number of 45 elbows needed 2 Table 12 Calculation of example Max length 61 25 90 elbow reduction 2 5 sub total 58 75 45 elbow reduction 1 5 Total 57 25 Table 13 i For this ...

Page 13: ...ventilated soffit F Clearance to outside corner G Clearance to inside corner H Clearance to each side of center line extended above meter regulator assembly 36 in within a height 15 feet above meter regulator assembly I Clearance to service regulator vent outlet 36 in J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other application 36 in 12 in K Clear...

Page 14: ...ntilated soffit F Clearance to outside corner G Clearance to inside corner H Clearance to each side of center line extended above meter regulator assembly 36 in within a height 15 feet above meter regulator assembly I Clearance to service regulator vent outlet 36 in J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other application 36 in 4 feet below or...

Page 15: ...rmination 1 4 per foot Note For horizontal terminations venting must terminate once it penetrates to the outside of the structure There must be no sections of vent pipe exposed to the outdoors Fig 15 Horizontal venting installation concentric penetration Fig 16 Horizontal twin pipe penetration Below are approved examples of vertical venting installations Important Note Pitch horizontal runs down t...

Page 16: ...mum into the accessory and tighten the clamp position 2 FIRESTOP SUPPORT ELBOW APPLIANCE HOSE CLAMP RAIN CAP STORM COLLAR FLASHING FIRESTOP SUPPORT 4 MIN AIR SPACE 6720608158 91 2Av CONDENSATE DRAIN 2 MIN 10 MIN 3 MIN i If using the 4 vent a 3 to 4 increaser is required immediately off the top of the heater i NOTE Vent pipe must be completely ver tical when inserting or gasket inside ex haust acce...

Page 17: ...Fig 22 Condensate drain installation combustion air piping not shown 3 3 6 Freeze prevention In cold climates components of a tankless water heater can freeze and burst from negative draft A leading cause of negative draft is combustion appliances in the building not being supplied with sufficient combustion air A wood stove or furnace can pull its combustion air from the water heater s vent pipe ...

Page 18: ...lapper must be 100 closed when the water heater is not run ning Refer to Fig 25 and 26 for preferred installation positions in the vent system If using the Zflex damper Ensure directional arrow on damper label faces in the same direction as exhaust flow If installed horizontally the axis must be horizontal or slightly pitched up towards termination to ensure damper closes 100 when heater is not ru...

Page 19: ...mobile home installation combustion air shall not be supplied from occupied spaces Preferred damper position for vertical terminations Unconditioned space Do not install damper Enclosed vent pipe Do not install damper 6720608542 09 1V 3 Venting Z flex Venting 24 Drain Tube Kit 2SVEDTK24 3 x 45 Elbow 2SVEEWCF0345 3 x 90 Elbow 2SVEEWCF0390 3 x 6 Pipe 2SVEPWCF03 5 3 x 12 Pipe 2SVEPWCF0301 3 x 18 Pipe...

Page 20: ...power fan speed P1 Maximum power fan speed P1 0 2000 ft 0 610 m 3 5 32 ft 7 No modification required No modification required For operation at elevations above 2 000 ft 610 m the equipment ratings shall be reduced at the rate of 4 for each 1 000 ft 305 m above sea level 33 57 ft 8 2000 4500 ft 610 1372 m 3 5 32 ft 8 54 47 33 57 ft 8 55 48 4500 8000 ft 1372 2439 m 3 5 32 ft 9 55 48 33 57 ft 9 55 49...

Page 21: ...rized Adjusting maximum power fan speed P1 To select fan speed B Press ON OFF button into OFF B Press and hold Program button and press ON OFF button to turn appliance ON Fig 28 B As soon as 188 is displayed release Program but ton and the display reads P2 B Press the minus button to display P1 B Press Program button to enter P1 adjustment The current setting will appear on the display B Press or ...

Page 22: ... minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall ...

Page 23: ...l its combustion air from the heater s vent pipe allowing the cold incoming air to freeze the cold water in the heat exchanger Supplying more combustion air for all combustion appliances is the solution A HVAC specialist should be consulted to design solutions for providing more combustion air Observe the following guidelines Installations in structures that have been tightly constructed air infil...

Page 24: ...ither 1 x4 or 1 2 minimum plywood first be attached across a pair of studs see Fig 29 page 25 B Secure the wall mounting bracket provided with the heater to the wall surface The heater must be kept level on the wall surface see Fig 30 page 25 B Hang the appliance on the bracket see Fig 31 page 25 Warning The water in this water heater is cold and always remains cold except for the times the burner...

Page 25: ...5 Fig 29 Distance between support boards Fig 30 Leveling the mounting bracket on the studs Fig 31 Mounting the heater Studs 16 406mm on center 6720608158 64 1AL Warning Appliance must be installed vertically 6720608158 05 1AL 6720608158 05 1AL ...

Page 26: ...B149 INSTALLATION CODES and or local installation codes GAS CONNECTIONS B Install a manual gas shut off valve on the gas supply line within easy reach of the appliance B Install a union when connecting gas supply B The minimum internal diameter required for any appliance connector is see Fig 35 for more details on pipe sizing B Undersized flexible appliance connector not permit ted B National Fuel...

Page 27: ...ne the pipe diameter necessary to accommodate the 199 000 BTU demand of the heater If there are more gas appliances on the line size the gas line according to the total maximum amount of BTU input rating for all appliances Note Undersizing the gas line may result in diminished hot water flow rate and temperature See chapter 3 14 page 33 for the procedure to confirm gas pressure Proper gas pressure...

Page 28: ... of Black iron Pipe Feet Pipe Internal Size Diameter inches inches 10 20 30 40 50 60 70 80 90 100 125 150 175 200 1 4 0 364 32 22 18 15 14 12 11 11 10 9 8 8 7 6 3 8 0 493 72 49 40 34 30 27 25 23 22 21 18 17 15 14 1 2 0 622 132 92 73 63 56 50 46 43 40 38 34 31 28 26 3 4 0 824 278 190 152 130 115 105 96 90 84 79 72 64 59 55 1 1 049 520 350 285 245 215 195 180 170 160 150 130 120 110 100 1 1 4 1 380 ...

Page 29: ... loose particles or dirt in the piping Blow out or flush the lines before connecting to the water heater B Full port shutoff valves should be installed on both the cold water supply and hot water outlet lines to facilitate servicing the heater see Fig 38 B For installation on a private well system with the use of a pressure tank the lowest pressure range setting recommended is 40 60 psi 2 75 and 4...

Page 30: ...By using the design in Fig 39 there is no recirculation of hot water through the tankless water heater and therefore does not affect the heat exchanger warranty Direct recirculation through the tankless water heater is permissible however the heat exchanger warranty is reduced contact Bosch Thermotechnology for further installation requirements The following drawing is provided to outline one poss...

Page 31: ...alding Warning Propylene glycol may be used for freeze prevention ONLY on the space heating side of the heat exchanger Do not use ethylene glycol automotive antifreeze Warning The use of a flow switch is recommended to ensure DHW priority and to prevent cold blow situations when the Bosch tankless water heater is used with an air handling system The flow switch should be used to disable the blower...

Page 32: ...tmospheric vacuum breaker 8 Cold inlet 9 Check valve 10 Pump 11 Thermostatic mixing valve 12 Thermometer optional 13 DHW outlet 14 Water to water heat exchanger 15 Backflow preventer 16 Automatic water feed 17 Thermostat 18 Space heating zone 19 Zone controller 20 Space heating pump 21 Expansion tank 22 Pressure relief valve 6720644887 02 1V 2 1 3 5 6 7 8 13 11 12 5 21 17 20 14 10 9 9 9 15 16 22 1...

Page 33: ...er will ignite If heater display reverts to P2 open more hot water fixtures to allow sufficient flow Press until P1 reappears on display B Operate all other gas appliances except this heater on same gas piping system at maximum output B Record lowest operating gas pressure reading in table 24 Gas pressures lower than 3 5 W C for Natural Gas or 8 W C for LPG will result in insufficient degree rise ...

Page 34: ...ntrol unit free to access and remove the six screws from the back cover of the control unit see Fig 46 pos 2 B Check the fuses in the printed circuit board see Fig 46 pos 3 Fig 46 Location of fuses B After verifying the fuses mount all parts in reverse order Warning For safety reasons disconnect the power supply cord to the heater before any service or testing is performed Warning This heater must...

Page 35: ...wer On indicator or Stand by 5 1 Description LCD display Fig 48 Power bar indicator input Fig 49 Temperature indicator Fig 50 Error indicator Fig 51 Lock indicator only with remote control Fig 52 Flame indicator Fig 53 Solar mode indicator see chapter 5 4 page 36 Fig 54 Remote control indicator Warning Do not use any cleaning or corrosive agent to clean the window ...

Page 36: ...ce press the On Off button Fig 55 Off B To shut down the appliance press the On Off button again 5 4 Temperature selection To select output water temperature B Press buttons or in order to reach desired temperature Fig 56 Setting the water temperature The desired temperature of the hot water can be adjusted on the front control panel of the heater The water heater has an electronically controlled ...

Page 37: ... If the LCD shows the error symbol do not shut off power or unplug the heater See the error code on LCD and consult Troubleshooting section Fig 60 After following instructions indicated in Troubleshooting section B press reset firmly in order to return heater to normal operation Fig 61 Reset button If the problem persists contact your installer 5 8 Program button Program button can be used on the ...

Page 38: ...ner flames during heater operation Vent pipe must be removed Inspect the combustion air inlet pipe for blockage or debris Inspect combustion air and exhaust terminations for blockage or debris Combustion chamber Inspect burner observation window Fig 73 10 for cracks or spillage of flue gases Observe burner flames during heater operation Flames should be steady and blue with no signs of yellowing Y...

Page 39: ...ide the water heater 6 Using an air compressor blow short bursts of air 100psi max through the outlet water connection until there is no water present coming through the inlet water connection of the heater 7 Reconnect water fittings and return heater to service when danger of freezing has passed 6 3 Mineral scale build up Periodic descaling may be necessary in areas with high mineral content in t...

Page 40: ...ON the heater see Fig 66 As soon as 188 flashes on the display release the Program button The display should now read P2 Press button until P1 appears on display Fig 66 B Measuring CO2 combustion cover must be installed B Open all hot water taps to achieve a flow rate of at least 6 gallons per minute 1 tub and 2 sinks should be sufficient If heater display reverts back to P2 open more hot water fi...

Page 41: ...the ranges specified in table 26 Repeat steps 1 and 2 as necesssary until CO2 values are within the specified ranges 4 Once CO2 values are within the specified ranges verify the CO readings on P1 and P2 do not exceed values shown in table 26 If values exceed this limit inspect vent system and fin coils chapter 6 1 page 38 for blockage D Returning to Service 1 Return slotted screw cover to original...

Page 42: ...chapter 3 14 page 33 note reducing P1 values below maximum will reduce maximum power of the appliance P2 Minimum Power 7 7 20 see chapter 3 3 8 page 20 P3 Remote Con trols installed _0 _0 6 see chapter 5 5 page 37 P4 Access to Diag nostic Mode E 0d 10f see chapter 6 6 page 43 P5 Cascade Mode nO nO CC contact Bosch for details P6 Temperature Unit F F C P8 Back light dE dE On dE turns back light off...

Page 43: ...and back on I again to return heater to normal function 6 6 1 Working hours To see how many hours the appliance has worked please enter the Diagnostic menu chapter 6 6 B Select the sub mode H0 Write the number that shows in the display B Select the sub mode H1 Write the number that shows in the display B Select the sub mode H2 Write the number that shows in the display After checking the sub modes...

Page 44: ...ed to OFF O position and the power supply cord unplugged remove the unit s front cover See Page 6 Fig 3 Check wire connections between the water valve control unit and electrode set See chapter 12 2 page 55 for location of these parts 9 Water heater in solar mode If inlet water temperatures exceed the water heater s set temperature the burners will not ignite and the solar mode indicator will show...

Page 45: ...e lower pressure hot water can be overpowered This will shut down the burners because the hot water flow rate fell below the minimum flow rate required for activation Verify inlet filter screen is clean and clear of debris See chapter 6 1 page 38 for inlet filter cleaning instructions 3 Heater deactivated by temperature balancing valves If the outlet water temperature is set too high the heater ca...

Page 46: ...inside the control board Wire harness defect 1 Check wire harness see page 60 item 7 2 Measure resistence loose on wire harness nearby the overmolding must be 115 120 ohm 3 Check diagnostic menu 1P nC must be showed on the display Backflow temperature sensor defect happens if sensor is disconnected or short circuit 1 Check blackflow temperature sensor connection See Fig 73 page 53 2 Replace backfl...

Page 47: ... cause the fan to change its speed to meet desired temperature 6 Possible defective control unit call Bosch Water Heating for further instructions No rotational speed sensor signal from primary fan 1 Disconnect power supply cord and check wire connections on back side of primary fan and the two connectors on the control board see Fig 80 page 60 2 Check supply voltage It must be 120VAC and properly...

Page 48: ... this failure 4 In areas where water has a high mineral content periodic descaling may necessary see chapter 6 3 5 Unplug power supply cord to the water heater Open a hot water tap for several minutes to allow cold water to pass through heat exchanger Close hot water tap and disconnect lead wires to overheat sensor Using a multimeter check continuity through overheat sensor contacts Replace sensor...

Page 49: ...code Use the reset button to reset any error codes 3 Possible defective control unit Call Bosch Water Heating for further instructions Ionization error at standby 1 Loose connection to the flame ionization rod Verify that the thinner wire leading from the control unit is securely connected to the flame sensor located on the lower front of the heat exchanger See Fig 73 page 53 2 Flame ionization ro...

Page 50: ...ow sensor 8 Flue gas limiter 9 Heat exchanger overheat sensor ECO 10 Gas valve 11 Jumper resistance 12 Water valve 13 Primary fan 14 ON OFF switch 15 Secondary fan 16 AC plug 17 Main connection 18 Ignition electrodes 19 Ground post 20 Antifreeze kit connection 21 Fuse 22 Fuse 20 1 20 1 16 1 16 1 JP5 JP6 JP7 JP8 JP2 M PS M M E FS T 104 C T 220 F Casc input Casc output 2 1 4 5 6 7 9 10 11 12 13 15 1...

Page 51: ... 3 5 4 0 4 5 50 55 6 0 6 5 70 75 8 0 8 5 9 0 9 5 10 0 10 5 110 115 12 0 Temp ºC Back Flow characteristics 3 2 3 7 4 2 4 7 5 2 5 7 6 2 6 7 7 2 7 7 8 2 8 7 9 2 9 7 10 2 10 7 112 117 12 2 12 7 13 2 13 7 14 2 14 7 15 2 15 7 16 2 16 7 17 2 17 7 18 2 18 7 19 2 19 7 2 0 2 2 0 7 2 12 2 17 2 2 2 2 2 7 2 3 2 2 3 7 2 4 2 2 4 7 2 5 2 2 5 7 2 6 2 2 6 7 2 7 2 2 7 7 2 8 2 2 8 7 2 9 2 2 9 7 3 0 2 0 1 2 3 4 5 6 7 ...

Page 52: ...6 720 644 930 52 Functional scheme 11 Functional scheme Fig 72 Functional scheme ...

Page 53: ... 5 Outlet temperature sensor 6 LCD display 7 On Off button 8 Reset button 9 Program key 10 Flue gas limiter 11 Heat exchanger overheat sensor 12 Ignition electrodes 13 Observation window 14 Backflow temperature sensor 15 Secondary air fan 16 Gas valve 17 Water valve with engine and temperature sensor 18 Control unit 19 Up button 20 Down button 21 LED 6720608158 39 2V 8 7 6 5 4 2 3 1 9 18 17 10 11 ...

Page 54: ...6 720 644 930 54 Interior components diagram and parts list Fig 74 Appliance overview ...

Page 55: ...crew 8 703 401 170 0 5 Combustion cover 8 700 506 300 0 6 Combustion cover gasket 8 704 701 084 0 7 Observation window 8 705 600 003 0 8 Holding bracket 8 708 104 103 0 9 Screw 8 703 403 012 0 Table 32 10 Combustion cover clip 8 701 201 032 0 11 Grommet set 8 710 203 039 0 12 Exhaust accessory 8 705 504 151 0 13 Gasket exhaust 8 700 103 710 0 14 Inlet air cover 8 708 006 022 0 15 Inlet air gasket ...

Page 56: ...exchanger 8 738 701 985 0 2 Heat exchanger top gasket 8 704 701 052 0 3 Flue gas collector 8 705 700 153 0 4 Overheat sensor ECO 8 707 206 204 0 5 Heat exchanger bottom gasket 8 704 701 054 0 Table 33 6 Site window 8 701 000 401 0 7 Ignition group 8 701 302 249 0 8 Heat exchanger O ring 8 700 205 147 0 9 Rubber grommet 8 710 303 027 0 Item Description Reference Table 33 ...

Page 57: ...ure sensor 8 707 206 459 0 5 Washer 8 704 701 097 0 6 Fan mount nut 2 915 011 006 0 7 Secondary fan NG 8 707 204 094 0 7 Secondary fan LPG 8 707 204 072 0 8 Screw 8 703 403 012 0 Table 34 9 Gas Air Mixer 8 705 700 170 0 10 Air duct O ring 8 700 205 149 0 11 Venturi 8 700 306 226 0 12 O ring 8 700 205 224 0 13 Mixer Fan gasket 8 704 701 059 0 14 Screw 2 910 642 150 0 15 Plate gasket 8 701 004 049 0...

Page 58: ...03 404 219 0 3 Washer 8 700 203 041 0 4 Pressure balance tube 8 700 703 136 0 5 Pressure balance nut 8 703 300 041 0 6 Gas supply pipe 8 700 715 389 0 7 Gas valve washer 8 700 103 014 0 Table 35 8 Gas filter 8 700 507 002 0 9 Gasket 8 704 701 085 0 10 Gas Fan connector 8 705 202 140 0 11 Washer 8 704 701 062 0 12 Regulation screw 8 703 404 220 0 13 O ring 8 700 205 009 0 14 Screw 2 910 149 181 0 I...

Page 59: ...00 040 0 7 Outlet fitting 8 703 305 349 0 8 Inlet Outlet washer 8 710 103 045 0 9 Wireform spring 8 701 300 025 0 10 Inlet fitting 8 703 305 348 0 Table 36 11 O ring 8 700 205 157 0 12 Watervalve clip 8 716 102 607 0 13 Water filter 8 700 507 001 0 14 Inlet fitting with filter optional 8 703 305 356 0 15 Washer optional 8 700 103 764 0 16 Water filter optional 8 700 507 059 0 17 O ring optional 8 ...

Page 60: ...er supply cord 8 704 401 378 0 6 Fan cables 8 704 401 347 0 7 Wire harness 8 738 701 757 0 8 Cable 8 704 401 244 0 Table 37 9 Electrode cables 8 704 401 346 0 10 Flue gas limiter 8 700 400 032 0 11 Kit inteligent cascading 7 709 003 962 0 12 Freeze prevention kit 7 709 003 665 0 13 Remote control optional TSTAT2 14 Shaped seal optional 8 700 201 012 0 15 Screw optional 8 703 401 109 0 16 Printed c...

Page 61: ...fe Contact your city authorities for information about the disposal of recyclable products Saving water resources B Make sure you close all the taps after any use Avoid leaving the taps dripping Repair any leaking tap B Define the temperature you want in the appliance or with the remote control This way you have the precise water flow needed mixing cold water to regulate temperature will increase ...

Page 62: ... BTC approved rates for one 1 year from the date of original installation provided it is installed and properly maintained by a qualified heating contractor and the other conditions of this warranty are met ITEMS NOT COVERED This limited warranty does not cover the following cir cumstances 1 Components or parts not provided by BTC 2 Serviceable items and normal maintenance as required per the Inst...

Page 63: ...s and exclusions may not apply to you WARRANTY CLAIMS PROCESS If you have a warranty claim you should notify the heat ing contractor who installed your Tank and ask that the contractor notify the distributor from whom the contrac tor purchased the Tank If this action is not possible or you don t receive a response contact Bosch Thermo technology Corp 50 Wentworth Avenue Londonderry NH 03053 To pro...

Page 64: ...s located on rating plate on right side panel Gas Pressure Reading Static__________ Operating__________ Building Water Pressure __________ Range if on Well system __________ Installing Company _____________________________________________ Installer name _____________________________________________ Address _____________________________________________ Phone ________________________________________...

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