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4.4 Exclusions 

The warranty ensuing from sections 4.1 and 4.2 will be null and void: 

a.  If the tank has been damaged by external causes. 
b.  In case of misuse, neglect (including frost damage), incorrect or improper use of 

the tank, or if attempts have been made to repair leaks; 

c.  In the case of ingress of contaminants or other particles into the tank. 
d.  If the water conductivity is less than 150 µS/cm and/or the degree of water 

hardness is less than 6 °DH/75 ppm. 

e.  If unfiltered, recycled water flows through the tank, or is stored in the tank.  

 
 

4.5 Scope of the warranty 

A.O. Smith’s obligations ensuing from this warranty are limited to the free delivery ex 
Veldhoven store of the parts or the tanks respectively.  A.O. Smith is not liable for 
carriage, labor, installation and other costs relating to the replacement. 
 

4.6 Claims 

Any claim under this warranty must be filed with the dealer who originally sold the tank, 
or with any other dealer or supplier of A.O. Smith’s products. The examination of the 
tank pursuant to sections 4.1 and 4.2 will be carried out at A.O. Smith discretion. 
 

4.7 No other obligations for A.O. Smith than those stated in this manual 

With respect to the tank, respectively the tanks (or parts or components thereof) supplied 
as a replacement, A.O. Smith will grant no other warranty or guarantee than the warranty 
detailed above. A.O. Smith will not be liable by virtue of this warranty or otherwise for 
damage to any persons or property, caused by parts or components, respectively the steel, 
glass-lined tank  supplied by them. 
This warranty applies to the following models: 
 
 
 
 
 
 
 
 
 
 

ST 1500-3000 

 

 
 

 
 

 

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Summary of Contents for ST 1500

Page 1: ...s water heater please read the installation instructions An authorized installer must install the heater and commission it according to the local valid requirements A O SMITH CANNOT ACCEPT ANY RESPONS...

Page 2: ...hutting down 7 2 5 Maintenance 7 2 5 1 Anode 7 2 5 2 Descaling 7 2 6 Spare parts 8 3 FOR THE END USER 3 1 Filling the heater 8 3 2 Start up of the water heater 8 3 3 Shutting down 8 3 4 Maintenance 8...

Page 3: ...laceable insulation jacket minimizes heat loss 1 2 Controls ST models are supplied without controls 1 3 Dimensions ST 1500 2000 ST 2500 3000 Connection sizes 1 Inlet 2 2 2 Outlet 2 2 3 4 5 Anode 3 4 3...

Page 4: ...lations and codes Location needs to be chosen to prevent damage in case of tank leakage e g place tank in a drain pan or near a floor drain of sufficient capacity For mounting of the jacket see separa...

Page 5: ...tion pump sanitary water 6 temperature sensor for boiler three way valve A circulation line B warm water C cold water E boiler water hot F boiler water return Optional backup elements are available fo...

Page 6: ...ined by the quality and quantity of the water flowing through the heater Therefore we recommend the anodes to be checked regularly preferably simultaneously with an internal inspection of the glass li...

Page 7: ...Filling the tank 1 Check if drain valve is closed if mounted 2 Open the cold water tap to the heater and all hot water outlets in order to bleed all air from the system The heater is filled when cold...

Page 8: ...have been met a The tank is installed in accordance with A O Smith s installation instructions for that specific model as well as the local installation and building regulations and all relevant rule...

Page 9: ...ectively A O Smith is not liable for carriage labor installation and other costs relating to the replacement 4 6 Claims Any claim under this warranty must be filed with the dealer who originally sold...

Page 10: ...tents of flange kit Bag A Flange plate Designation Quantity Bolts 6 Gasket 1 Flange plate 1 Bag D 1 Bag D Flange collar and cover fixation screws and brackets Designation Quantite Brackets 3 Parker sc...

Page 11: ...e tank Mounting of the flange covers and jacket MUST be done in the indicated sequence For further information please refer to the installation manual 0307138RO Bag D fixing bracket for clean out coll...

Page 12: ...ible jacket Install the flexible jacket before mounting the clean out collar and cover The collar serves as mould to cut the required opening in the jacket In case the zipper is difficult to close it...

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