1. This warranty is limited to products sold to the original commercial user.
2. The liability of DCS under this warranty is limited to, at DCS option, the replacement or repair of any part found by DCS to be not as warranted herein, provided that written notice of defects shell have been supplied to DCS within thirty (30) days after its occurence.
3. DCS shall bear the normal labor charges incurred in such repair or replacement to the extent that such is performed within fifty (50) miles from an office of an authorized service agency of DCS except that such obligations to bear labor charges shall not apply to products or parts installed outside.
4. DCS shall have no obligation as to any product(s) which have been misapplied, (including installation for residential use), mishandled, abused, subject to harsh chemical action or poor water quality, modified by unauthorized service personnel, damaged by flood, fire or other acts of god which have a serial number removed or altered.