Specifications

WATLOW IND. WATROD Duct Heater Installation & Maintenance Manual
I&M NUMBER: 316-42-6-1 Page: 10
Date:6/11/2008 Rev: 3.00
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WATLOW IND.n # 6 INDUSTRIAL LOOP RD. n HANNIBAL MO, 63401n PHONE [phone] n FAX [phone]
CAUTION: HAZARD OF ELECTRIC SHOCK. TURN ALL POWER TO HEATER OFF, USE
APPROPRIATE DISCONNECT LOCKOUTS AND ALLOW SYSTEM/HEATER TO COOL BEFORE
PERFORMING ANY MAINTENANCE
!
Check line connections to make sure they are tight, free of oxide build-up, and that no dust or dirt build-up is
present. Re tighten to 20 in-lbs as necessary.
Check enclosure (inside) for rust, dirt or dust. Remove rust if present, with steel wool (or equal) and
thoroughly blow clean with dry, oil-free air.
If enclosure is moisture resistant, check condition of cover gasket. A replacement can be obtained from the
factory.
Replacement Parts
Reference the duct heater part number on the nameplate when ordering replacement parts.
Recommended spare parts would be : a Duct Heater, replacement elements, and high limit thermocouple
(if supplied).
To replace elements:
a) Disconnect power and then feeder wire
b) Remove heater from duct
c) The single screw clamp and electrical jumpers are easily removable to allow the heater to be pulled
from the bottom for replacement. Standard replacement elements are available from the factory.
Contact your local Watlow distributor for ordering replacement parts. Check the Yellow Pages under
"Electrical Heating Elements" in the largest industrial area nearest you.
Warranty
Watlow warrants its products against defects in material and workmanship for 12 months from the date of
delivery for custom products and 18 months for stock products providing such products are properly applied,
used and maintained. Watlow does not warrant any product against damage from corrosion, contamination,
misapplication, improper specification or operating conditions beyond our control. The terms of this warranty
are the exclusive terms available to any person. No person has authority to bind the Company to
representation or warranty other than this warranty. Watlow is not liable for incidental or consequential
damages resulting from use of the product whether a claim for such damages is based upon warranty,
contract, negligence or other fault. Should any product fail under these warranty conditions it will be repaired
or replaced at no charge. Advanced authorization must be obtained within 30 days of failure.
Return Policy
1. Call Watlow Industries at 573-221-2816, for a Return Material Authorization (RMA) number before
returning any item for repair or replacement. The following information is needed to process a returned
heater expeditiously:
• Customer name • Customer account number
• Contact Name • Phone Number
• Part number • P.O. number
• Quantity
• Reason for return
• Application information
• MSDS sheet of material(s) that came in contact with heater, if used.