
Series 49 Thermal Management System Instruction Manual #20009807-001 - Rev. C January 2020
Warranty Information
MKS Instruments, Inc., warrants the Series 49 Heater System and its accessories to be free from defects in materials
and workmanship for a period of two (2) years from the date of shipment by MKS or authorized representative to the
original purchaser (PURCHASER). Any product or parts of the product repaired or replaced by MKS under this
warranty are warranted only for the remaining unexpired part of its two (2) year original warranty period. After
expiration of the applicable warranty period, the PURCHASER shall be charged MKS current prices for parts and
labor, plus any transportation for any repairs or replacement.
ALL EXPRESSED AND IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED TO THE WARRANTY PERIOD. NO WARRANTIES,
EXPRESSED OR IMPLIED, WILL APPLY AFTER THIS PERIOD.
Warranty Service
The obligations of MKS under this warranty shall be at its option: (1) to repair, replace, or adjust the product so that it
meets the applicable product specifications published by MKS; or (2) to refund the purchase price.
What Is Not Covered
The product is subject to the above terms only if located in the country of the seller from whom the product was
purchased. The above warranties do not apply to:
I. Damages or malfunctions due to failure to provide reasonable and necessary maintenance in accordance
with MKS operating instructions.
II. Damages or malfunctions due to chemical or electrolytic influences or use of the product in working
environments outside the specification.
III. Fuses and all expendable items, which by their nature or limited lifetime may not, function for two (2) years.
If such items fail to give reasonable service for a reasonable period of time within the warranty period of the
product; they will, at the option of MKS, be repaired or replaced.
IV. Defects or damages caused by modifications and repairs affected by the original PURCHASER or third
parties not authorized in the manual.
V. Improper Use or Operation:
a.
High temperature operation or exposure, either by high set point or external heat source.
Operation outside the recommended temperatures resulting in damage to the system.
b.
Poor thermal contact between heater and heated surface.
c.
Operating a ripped or torn heater jacket.
d.
Operating a heater jacket with punctures or cuts in the external jacket surface.
e.
Tampering with control electronics, power cords, or warranty tags.
f.
Removing or cutting the snaps, straps, or connectors.
g.
Operating the system from an incorrect or unstable supply voltage.
h.
Chemical exposure or contamination.
i.
Modifications to any component of the system without direct approval from MKS.
j.
Return of heaters that have failed during the warranty period, but not reported or returned to MKS during
the warranty period.
k.
This list should not be construed to be all-inclusive.
Condition of Returned Products
MKS will not accept for repair, replacement, or credit any product which is asserted to be defective by the
PURCHASER, or any product for which paid or unpaid service is desired, if the product is contaminated with
potentially corrosive, reactive, harmful, or radioactive materials, gases, or chemicals.
When products are used with toxic chemicals, or in an atmosphere that is dangerous to the health of humans, or is
environmentally unsafe, it is the responsibility of the PURCHASER to have the product cleaned by an independent
agency skilled and approved in the handling and cleaning of contaminated materials before the product will be
accepted by MKS for repair and/or replacement.