Wood Doctor Is No Longer In Business
This Is A Discontinued Product Line
Wood Doctor was a "Brand Name" they never manufactured the boilers they marketed.
Over the life of the brand they hired and used several manufacturers to build the boilers they marketed.
If you have a problem with a "Wood Doctor Boiler" you will need to try contact Wood Doctor directly.
Warranty for boilers marketed and sold as "Wood Doctor Boilers" was provided by Wood Doctor.