Owner's Manual
Page 14
This warranty shall not apply if it (at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it is defective, (i) return it, with proof of purchase (including date of purchase) and a short description of the malfunction, and mail it, postage ...to you purchased it, or (ii) package it carefully, along with a bill of sale or other dated proof of purchase, to repair or replace the product within a reasonable period of time. If the product is shown by Honeywell that the defect or malfunction was in the possession of a consumer.
This warranty shall not apply if it (at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it is defective, (i) return it, with proof of purchase (including date of purchase) and a short description of the malfunction, and mail it, postage ...to you purchased it, or (ii) package it carefully, along with a bill of sale or other dated proof of purchase, to repair or replace the product within a reasonable period of time. If the product is shown by Honeywell that the defect or malfunction was in the possession of a consumer.