Aerco/modulex standard warranty – AERCO Modulex EXT 321 - 1123 User Manual
Page 147

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
AERCO/MODULEX STANDARD WARRANTY
Gas-Fired Hydronic Boilers
PRESSURE VESSEL/HEAT EXCHANGER: 7 YEARS FROM SHIPMENT:
The pressure vessel/heat exchanger shall carry a (7) seven year non-prorated warranty from 
shipment against any failure due to condensate corrosion, thermal stress, mechanical defects or 
workmanship. Operation of the boiler using contaminated air will void the warranty. The 
pressure vessel/heat exchanger shall not be warranted from failure due to scaling, liming, 
corrosion, or erosion due to water or installation conditions. AERCO will repair, rebuild or 
exchange, at its option the heat exchanger/combustion chamber within this warranted time 
period. 
FIBER MESH BURNER: 5 YEARS FROM SHIPMENT
The burners shall carry a (5) five year warranty from shipment. AERCO shall accept no 
responsibility if the burner has been improperly installed, operated, or maintained, or if the boiler 
is operated using contaminated air. The warranty covers burners only and not burner gaskets 
that may be required during regular servicing and maintenance. 
OTHER COMPONENTS: 18 MONTHS FROM SHIPMENT:
All other components, with the exception of the igniter and flame detector, are conditionally 
guaranteed against any failure for 18 months from shipment. AERCO shall accept no 
responsibility if such item has been improperly installed, operated, or maintained or if the buyer 
has permitted any unauthorized modification, adjustment, and/or repairs to the item. The 
warranty as set forth on the back page of the Operations & Maintenance Manual is in lieu of and 
not in addition to any other express or implied warranties in any documents, or under any law. 
No salesman or other representative of AERCO has any authority to expand warranties beyond 
the face of the said warranty and purchaser shall not rely on any oral statement except as 
stated in the said warranty. An Officer of AERCO must do any modifications to this warranty in 
writing. AERCO MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR 
PARTICULAR PURPOSE OR ANY OTHER EXPRESS OR IMPLIED WARRANTIES. AERCO 
disclaims all responsibility for any special, incidental or consequential damages. Any claim 
relating to the product must be filed with AERCO not later than 14 days after the event-giving 
rise to such claim. Any claims relating to this product shall be limited to the sale price of the 
product at the time of sale. The sale of the product is specifically conditioned upon acceptance 
of these terms. 
CONDITIONS OF WARRANTY:
Should an AERCO gas-fired Hydronic boiler fail for any of the above reasons within the 
specified time period from the date of original shipment(s), AERCO shall, at its option, modify, 
repair or exchange the defective item. AERCO shall have the option of having the item 
returned, FOB its factory, or to make field replacements at the point of installation. In no event 
shall AERCO be held liable for replacement labor charges or for freight or handling charges. 
AERCO shall accept no responsibility if such item has been improperly installed, operated, or 
maintained or if the buyer has permitted any unauthorized modification, adjustment, and/or 
repairs to the item. The use of replacement parts not manufactured or sold by AERCO will void 
any warranty, express or limited. 
Rev. 12/02/13
C104.0
OMM-0087_0E
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Page 147 of 148
GF-143
Phone: 800-526-0288
12/01/14
