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LIMITED WARRANTY

For Rheem/Ruud™ Indirect Water Heaters.

GENERAL

the rheem Water heater operation of rheem manufacturing company (rheem) warrants this indirect water heater, and its component parts, to be free from defects in materials and 

workmanship, under normal use and service, for the appropriate applicable Warranty periods. at its option, rheem will repair or replace a malfunctioning indirect water heater, or 

defective component part, in accordance with the terms of this limited Warranty, if it fails in normal use and service during the appropriate applicable Warranty periods. the replacement 

indirect water heater must be supplied by rheem. any replacement component part must be a rheem authorized component part. the replacement indirect water heater unit, or 

replacement component part, will be warranted only for the unexpired portion of the original unit’s appropriate applicable Warranty period.

EFFECTIVE DATE

the effective Date of warranty coverage (or the beginning of the applicable Warranty periods) is the date of installation or the manufacture date of the water heater (which ever came 

first) if properly documented. otherwise, it is the date of manufacture of the water heater plus ninety (90) days.

APPLICABLE WARRANTY PERIODS

the applicable Warranty periods will vary depending on the ownership and/or use (or water heating application) of the unit as follows:

lifetime reSiDential limiteD WarrantY coVeraGe – as long as the indirect water heater is installed in a single family dwelling owned by its original owner/end user, 

rheem will furnish a replacement unit (if the tank leaks) or replacement component part(s) (as rheem deems appropriate) provided the unit has not been moved from the original 

installation site or been rendered inoperable by an event listed in the Warranty exclusions section of this limited Warranty. this warranty coverage applies only to the original 

indirect water heater purchased and installed at each site. it does not apply to any in-warranty replacement indirect water heater. the owner/end user must be able to 

provide proof that he or she purchased the indirect unit in order to qualify for lifetime residential limited Warranty coverage.    

10 Year reSiDential limiteD WarrantY coVeraGe – if the indirect water heater is installed in a single family dwelling owned by persons other than the original owner/end 

user, the applicable Warranty periods are ten (10 years from the effective Date for the tank and the component parts provided the unit has not been moved from the original installation 

site or rendered inoperable by an event listed in the Warranty exclusions section of this limited Warranty. this warranty coverage applies only to the original 

indirect water heater purchased and installed at each site. it does not apply to any in-warranty replacement indirect water heater.

3 Year commercial limiteD WarrantY coVeraGe – if the indirect water heater is installed in a multiple family dwelling or any other type of commercial business, the 

applicable Warranty periods are three (3) years from the effective Date for the tank and the component parts provided the unit has not been moved from the original installation site or 

rendered inoperable by an event listed in the Warranty exclusions section of this limited Warranty. this warranty coverage applies only to the original 

indirect water heater purchased and installed at each site. it does not apply to any in-warranty replacement indirect water heater.   

WARRANTY EXCLUSIONS

this limited Warranty will not cover:

a) Service trips to the installation site to teach you how to install, use, or maintain this indirect water heater or to bring the indirect water heater’s installation into compliance with local 

building codes and regulations.

b) Damages, malfunctions, or failures resulting from failure to install the indirect water heater in accordance with applicable building codes/ordinances or good plumbing and electrical 

trade practices.

c) Damages, malfunctions, or failures resulting from improper installation or failure to operate and/or maintain the indirect water heater in accordance with the manufacturer’s instructions 

provided.

d) performance problems caused by improper sizing of the boiler and/or the indirect water heater.

e) Damages, malfunctions, or failures caused by operating the indirect water heater with the anode rod removed or with modified, altered, or unapproved parts installed. 

f) problems associated with the chemistry of the water being heated (for example: rotten egg smell or inappropriate use of water softening equipment);

g) Damages, malfunctions, or failures caused by using the indirect water heater to perform functions it was not designed to perform, abuse, accident, fire, flood, freeze, lightning, acts of 

God, and the like.

h) the replacement of the anode rod. the anode rod must be replaced as a result of normal use of the indirect water heater. 

i) tank failures (leaks) caused by operating the indirect water heater in a corrosive or contaminated atmosphere.

j) Damages, malfunctions, or failures caused by operating the indirect water heater with an empty, or partially empty, tank.

k) Damages, malfunctions, or failures caused by operating the indirect water heater at water temperatures exceeding the maximum setting of the operating, or high limit, control.

l) tank failures caused by operating the indirect water heater when it is not supplied with potable water, free to circulate at all times.

m) Damages, malfunctions, or failures caused by subjecting the tank to pressures greater than those shown on the rating label.

n) Damages, malfunctions, or failures resulting from the use of any attachment, including any energy saving device, not authorized by rheem.

o) indirect units installed outside the fifty states (and the District of columbia) of the united States of america and the ten provinces of the Dominion of canada.

p) indirect units moved from the original installation location.

q) indirect water heaters that have had their rating labels altered or removed. an indirect water heater should not be operated if the rating label is removed.

LABOR, MATERIALS, SHIPPING, AND PROCESSING COSTS

this limited Warranty does not cover any labor expenses for service, repairs, reinstallation, permits, or removal and disposal of a leaking indirect water heater or a defective component 

part of an indirect water heater. all such expenses are the owner’s responsibility.

this limited Warranty does not cover any reinstallation material costs for pipe, valves, fittings, or any other materials and/or services required to repair or replace a malfunctioning 

indirect water heater or defective component part of an indirect water heater. all such expenses are the owner’s responsibility.

rheem will pay the transportation costs for an “in-warranty” replacement indirect water heater, or “in-warranty” replacement indirect water heater component part, to a convenient 

delivery point (selected by rheem) near the place the original indirect water heater, or original indirect water heater component part, was purchased: such as a local rheem or ruud 

water heater Distributor. the owner of the indirect water heater will be responsible for any local freight charges, including the cost of returning an indirect water heater, or defective 

component part of an indirect water heater, replaced “in-warranty” to a convenient location (selected by rheem): such as a local rheem or ruud water heater Distributor.

rheem does not authorize, recommend, or receive any benefit from any warranty claims processing or similar fees charged by others to process warranty claims for any rheem or ruud 

indirect water heater or component part. rheem will not reimburse any party for these, or any other, fees not specifically covered in this limited Warranty document.   

HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE

any claim for warranty assistance must be made promptly. rheem reserves the right to deny any warranty claim filed more than ninety (90) days after an incident covered by this limited 

Warranty occurs.  first, determine if your indirect water heater is “in-warranty” (that is, within the applicable Warranty periods that apply). You can determine your unit’s  warranty status 

by obtaining the complete model number, the complete serial number, and the date of original installation and accessing the “Warranty Verification” functionality on the  rheem Water 

heating website (www.rheem.com) or contacting rheem Warranty personnel (telephone number (800) 621-5622). to establish lifetime residential limited  Warranty  coverage you must 

be able to provide proof that you purchased the indirect unit that is the subject of your warranty claim.

  

if your indirect water heater is “in-warranty”, refer to the use & care manual provided with it or contact the rheem technical Service Department (telephone number 1-800-432-8373)  to 

obtain the technical assistance you need to repair or replace your defective indirect unit. You may also use the plumber of your choice or select a plumber, or mechanical contractor, from 

your local Yellow pages to assist you – at your expense. be prepared to provide the plumber, mechanical contractor, or rheem technical Service person you call with the complete 

model number, the complete serial number, and the date of original installation or the date of the owner’s purchase of the defective indirect water heater in addition to an explanation of 

your indirect water heater problem.

if an exact replacement unit is not available, rheem will provide you with the current model of your indirect water heater, or component part, or a replacement unit with comparable 

operating features. if government regulations or industry certification or similar standards require the replacement indirect water heater, or replacement component part, to have features  

not found in the malfunctioning indirect water heater, or defective indirect water heater component part, you will be charged for the difference in price represented by those required 

features. if you pay the price difference for those required features and/or to upgrade the size and/or other features available on a replacement new indirect water heater, you will also 

receive a complete new limited Warranty (with the full applicable Warranty periods the original unit entitled you to) for the replacement indirect water heater.

rheem reserves the right to inspect, or require the return of, each indirect water heater or defective component part replaced under the terms and conditions of this limited Warranty. 

each “in-warranty” indirect water heater replaced under this limited Warranty must be made available to rheem (with the original rating label and all the component parts intact) in 

23955-1 Bock Indirect Coil W_H Man .indd   15

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Summary of Contents for STID120

Page 1: ...g the indirect water heater into service This unit must be installed by licensed or authorized installers or technical personnel that service water heating equipment The indirect water heater must be installed in accordance with all local codes and ordinances These instructions are a guide for the correct installation of the indirect water heater The manufacturer will not be liable for damages cau...

Page 2: ...S Section I Specifications 3 Section II General Informations 5 Section III Pre Installation 7 Section IV Installation 9 Section V Maintenance 12 Section VI Troubleshooting 13 Section VII Parts List 14 Section VIII Warranty 15 ...

Page 3: ...rature setting for normal residential use is 120 F Rheem recommends a tempering valve or anti scald valve be installed and used according to the manufacturer s directions to prevent scalding STID30 22 35 1 4 27 3 4 19 1 2 11 3 4 6 1 2 4 1 2 n a STID40 22 42 1 4 34 3 4 31 1 2 16 3 4 6 1 2 4 1 2 n a STID50 22 48 1 4 39 3 4 31 1 2 16 3 4 6 1 2 4 1 2 n a STID80 24 64 57 1 8 33 19 1 4 8 5 5 STID120 28 ...

Page 4: ... r H e a t S o u r c e F r i c t i o n L o s s f t w c Table 2 Capacity Performance C a p a c i t i e s Section I Specifications cont NOTES First Hour Rating First Draw Continuous Draw Coil Input temperature flow rate Ratings based on 77 F rise with 58 F inlet potable water All data obtained through testing in accordance with GAMA INDIRECT FIRED WATER HEATER TESTING STANDARD IWH TS 1_MARCH 2003 ST...

Page 5: ...mited control for domestic hot water temperature The proper temperature setting for domestic hot water use is 120 F 49 C If hotter water is required a tempering device or anti scald device must be installed at the domestic hot water outlet of the indirect water heater or at the point of use CAUTION Hot water in excess of 120 F can cause scalding Rheem recommends a tempering valve or anti scald val...

Page 6: ...ater system When hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow There should be no smoking or open flame near the faucet at the time it is open UL 174 Temperature and pressure relief valve t P The T P valve is factory installed A discharge drain tube must be installed responsibility of the installer and shall terminate ...

Page 7: ...0 F and 200 F boiler water To determine the appropriate circulator for your system follow these three steps 1 Calculate the pressure drop of all straight pipe and fittings on the supply and return at the desired flow rate 2 Add the pressure drop from Step 1 to the pressure drop through the indirect water heater coil see Table 2 for friction loss to obtain a total pressure drop 3 Select a circulato...

Page 8: ...nimum coil output assume coil output boiler output listed in Tables 2 and 3 is not met the output first hour rating of the indirect water heater will not be met at the selected flow rate To approximate the reduction in first hour rating as a result of low boiler capacity use the following formula New first hour rating First hour rating Actual boiler output Minimum coil output For example the first...

Page 9: ...d be minimized A flow check valve must be installed on the return line All piping to the inlet cold and outlet hot domestic water connections should be new copper with a minimum size of 1 2 ID for models STID30 STID40 and STID50 Use 3 4 ID minimum for models STID80 and STID120 All piping should conform to local codes and ordinances At a minimum refer to ILHR 84 code if local codes are not in place...

Page 10: ...ation cont CHECK VALVES ZONE CIRCULATORS ISOLATION VALVES ADDITIONAL ZONES INDIRECT CIRCULATOR INDIRECT WATER HEATER TO HEATING ZONE AIR SEPARATOR AIR VENT EXPANSION TANK COLD WATER INLET BOILER CIRCULATOR LESS THAN 4 PIPE DIAMETERS BOILER FROM HEATING ZONE ISOLATION VALVES ADDITIONAL ZONES Figure 8 Rheem Indirect Water Heater with Low Mass Boiler ...

Page 11: ...em circulator stays off and the boiler must light to reach high limit WIRING NOTES 1 Dashed lines indicate low voltage 24 VAC 2 Use jumper wire between terminals 1 and 3 on R845 relay THERMOSTAT SPECIFICATIONS Thermostats can operate at low or line voltages 24 volt N A 120 volt 8 amp 240 volt 5 amp This equipment must be properly grounded to prevent a potential shock hazard and to reduce deteriora...

Page 12: ...and at least yearly once a time interval for inspection has been developed It is recommended to check the rod s six months after the heater is installed If the anode rod had reduced in size by two thirds of its original diameter of 3 4 or shows signs of pitting it is time for replacement Take the following steps when changing the anode rod s 1 Shut off water supply 2 Open any faucet to relieve tan...

Page 13: ...KHFN SRZHU VXSSO 5HSODFH DV QHFHVVDU DXOW WDQN DTXDVWDW 5HSODFH DTXDVWDW RLOHU F FOHV PRUH WKDQ WLPHV SHU GD GXULQJ KRWHVW PRQWKV FHVVLYH GHPDQG 5HGXFH GHPDQG RU FRQVLGHU ODUJHU WDQN DXOW DTXDVWDW 5HSODFH DTXDVWDW RLOHU KLJK OLPLW VHW WRR ORZ QFUHDVH ERLOHU KLJK OLPLW VHWWLQJ QVXIILFLHQW KRW ZDWHU 5XVW VWDLQLQJ EDG WDVWH DQG RGRU LQ ZDWHU URQ PLQHUDOV LQ ZDWHU VXSSO LOWUDWLRQ 6FDOH KDUG ZKLWH SDUW...

Page 14: ...on VIi parts list No Description Applicable Models 1 Anode All models 2 Anode Outlet STID 30 STID 40 STID 50 3 T P Relief Valve All models 4 Drain Valve All models 5 Aquastat All models Page 14 14 2 1 3 4 5 ...

Page 15: ...temperatures exceeding the maximum setting of the operating or high limit control l tank failures caused by operating the indirect water heater when it is not supplied with potable water free to circulate at all times m Damages malfunctions or failures caused by subjecting the tank to pressures greater than those shown on the rating label n Damages malfunctions or failures resulting from the use o...

Page 16: ...arranty given by the rheem Water heater operation of rheem manufacturing company rheem for this indirect water heater no one is authorized to make any other warranties on behalf of rheem anY implieD WarrantieS incluDinG merchantabilitY or fitneSS for a particular purpoSe Shall not eXtenD beYonD the applicable WarrantY perioDS SpecifieD preViouSlY rheem S Sole liabilitY With reSpect to anY Defect S...

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