Install Instructions
Z-FLEX® LIMITED WARRANTY 
Z-FLEX® ("Seller") extends the following LIMITED WARRANTY for 
Z-VENT® (the "Z-Vent®"): 
Seller warrants that at the time of purchase, the Z-Vent® will be free of manufacturer's defects in material and/or workmanship. 
This warranty shall extend to the original purchaser of the Z-Vent® or, if purchased by a contractor, to the end user. This warranty 
is valid for a period of fifteen (15) years from the date of purchase, provided that the Z-Vent® has been installed according to Z-
Flex®  installation  instructions.  Deviating  from  the  installation  and  use  instructions  included  with  the  Z-  Vent®  will  void  the 
warranty. 
Under this Limited Warranty, Seller's sole responsibility and liability shall be to replace the Z-Vent® and/or 
accessories,  if  found  by  Seller  to  be  defective  according  to  the  terms  of  the  warranty,  and  shall  not  include  replacement 
installation or other costs. 
IMPORTANT: The Z-Vent® is designed for use with Category I, II, III and IV furnace and boiler venting and should not be used 
with any other type of furnace and boiler venting. Use of the Z-Vent® with any other type of furnace and boiler venting other than 
those recommended by Seller for use with its Z-Vent® will void the warranty. 
WARNING: CONDENSATION WITH HIGH ACID CONTENT MAY BE PRODUCED DUE TO UNFORESEEN CONDITIONS. 
YOUR HEATING APPLIANCE AND VENTING SYSTEM SHOULD BE INSPECTED BY A LICENSED CONTRACTOR ON AN 
ANNUAL BASIS FOR POSSIBLE SIGNS OF DETERIORATION DUE TO RUSTING OR PIN HOLES. CONDENSATION WITH 
HIGH  ACID  CONTENT  MAY  CAUSE  LEAKAGE  OF  HARMFUL  GASES  WHICH  CAN  CAUSE  NAUSEA,  FAINTING  OR 
DEATH.  IF  DETERIORATION  IS  DETECTED  CEASE  USE  OF  HEATING  SYSTEM  AND  CALL  FURNACE/BOILER 
INSTALLER FOR REMEDIAL ACTION. 
To activate the warranty, the end-user must complete and return the Z-Flex® Warranty Registration Card within ninety 
(90) days of installation of the Z-Vent®. Upon written notice of any defects, Z-Flex® reserves the right to examine or establish 
reasonable proof of defective material or workmanship justifying replacement. 
NO OTHER EXPRESS WARRANTY HAS BEEN MADE OR WILL BE MADE ON BEHALF OF SELLER WITH RESPECT TO 
THE Z-VENT® OR THE INSTALLATION OR REPLACEMENT OF THE Z-VENT®. SELLER SHALL NOT BE LIABLE FOR ANY 
SPECIAL, INCIDENTAL, INDIRECT OR CON-SEQUENTIAL DAMAGES. 
As some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, the above 
limitations or exclusions may not apply to you. 
IMPLIED  WARRANTIES,  INCLUDING  ANY  WARRANTY  OF  MERCHANTABILITY  OR  FITNESS  FOR  A  PARTICULAR 
PURPOSE,  IMPOSED  ON  THIS  SALE  UNDER  STATE  LAW,  ARE  LIMITED  TO  THE  PERIOD  DURING  WHICH  THIS 
WARRANTY IS IN EFFECT. AS SOME JURISDICTIONS DO NOT ALLOW LIMITATIONS ON THE LENGTH OF AN IMPLIED 
WARRANTY, THE ABOVE LIMITATION MAY NOT APPLY TO YOU. 
Claims under this Warranty must be made within the warranty period in writing and directed to: In the USA; Warranty Claims, 
Z-Flex®(US) Inc., 20 Commerce Park North, Bedford, New Hampshire 03110, (603) 669-5136 or (800) 654-5600. 
In Canada; Warranty Claims, Z-Flex® Inc., 452 Attwell Drive, Etobicoke, Ontario, M9W 5C3, (416) 679-0045. 
This Warranty gives you specific legal rights, and you may also have other rights that vary in different States and Provinces. 
WARRANTY REGISTRATION CARD: Z-FLEX® 
For this warranty to be effective, this card must be completed upon purchase of the covered Z-Vent® and returned to Z- 
Flex® within ninety (90) days of installation of the Z-Vent®. 
Original end-user's name:   
Address of premises in which the Z-Vent® is installed:   
Z-Vent® purchased from:    
Date of Installation:   
Type of Heating System into which Z-Vent® installed:   
I understand and agree to the Warranty as stated:   
Signature
Date 
Z-Vent Instructions November, 2020 
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