Goodall products are warranted to the original purchaser against failure due to defective material and/or workmanship for a period of one (1) year from the date or purchase, except for gasoline engines, hydraulic motors and flow control valve, which are warranted solely by the manufacturer of such items. This warranty does not cover any product worn out or altered, used for a purpose other than for which it is intended or used in a manner inconsistent with any instruction regarding its use.