To register your Harlequin product, please submit the form below.
To download our Warranty statement, please click here: Harlequin MFG Warranty
To download our Steel Warranty statement, please click here: Harlequin MFG Steel Warranty.
Harlequin HeatStream products can not be registered
through this form, click here
to access the Harlequin HeatStream warranty registration form.
(IMP- You should receive an automatic email reply with your tank serial number and warranty ID number. If you don't receive an email confirmation, it means that your tank is NOT registered. You can contact us if you require assistance using the online form.)