
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free
of defects in materials and workmanship for a period of 13
months from date of purchase. OMEGA’s WARRANTY adds
an additional one (1) month grace period to the normal one
(1) year product warranty to cover handling and shipping
time. This ensures that OMEGA’s customers receive maximum
coverage on each product.
If the unit malfunctions, it must be returned to the factory for
evaluation. OMEGA’s Customer Service Department will issue
an Authorized Return (AR) number immediately upon phone
or written request. Upon examination by OMEGA, if the unit
is found to be defective, it will be repaired or replaced at
no charge. OMEGA’s WARRANTY does not apply to defects
resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of
design limits, improper repair, or unauthorized modification. This
WARRANTY is VOID if the unit shows evidence of having been
tampered with or shows evidence of having been damaged
as a result of excessive corrosion; or current, heat, moisture
or vibration; improper specification; misapplication; misuse
or other operating conditions outside of OMEGA’s control.
Components in which wear is not warranted, include but are not
limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various
products. However, OMEGA neither assumes responsibility for
any omissions or errors nor assumes liability for any damages
that result from the use if its products in accordance with
information provided by OMEGA, either verbal or written.
OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA
MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF
ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT
THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING
ANY WARRANTY OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.
LIMITATION OF LIABILITY: The remedies of purchaser set forth
herein are exclusive, and the total liability of OMEGA with
respect to this order, whether based on contract, warranty,
negligence, indemnification, strict liability or otherwise, shall
not exceed the purchase price of the component upon which
liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be
used, nor shall it be used: (1) as a “Basic Component” under 10
CFR 21 (NRC), used in or with any nuclear installation or activity;
or (2) in medical applications or used on humans. Should any
Product(s) be used in or with any nuclear installation or activity,
medical application, used on humans, or misused in any way,
OMEGA assumes no responsibility as set forth in our basic
WARRANTY/DISCLAIMER language, and, additionally, purchaser
will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s)
in such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA
Customer Service Department. BEFORE RETURNING ANY
PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN
AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S
CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID
PROCESSING DELAYS). The assigned AR number should then
be marked on the outside of the return package and on any
correspondence.
FOR WARRANTY
RETURNS, please have
the following information
available BEFORE
contacting OMEGA:
1. Purchase Order number
under which the product
was PURCHASED,
2. Model and serial number of
the product under warranty,
and
3. Repair instructions
and/or specific problems
relative to the product.
OMEGA’s policy is to make running changes, not model
changes, whenever an improvement is possible. This affords
our customers the latest in technology and engineering.
OMEGA is a trademark of OMEGA ENGINEERING, INC. ©
Copyright OMEGA ENGINEERING, INC. All rights reserved.
This document may not be copied, photocopied, reproduced,
translated, or reduced to any electronic medium or machinereadable form, in whole or in part, without the prior written
consent of OMEGA ENGINEERING, INC.
FOR NON-WARRANTY REPAIRS,
consult OMEGA for current
repair charges. Have the
following information available
BEFORE contacting OMEGA:
1. Purchase Order number to
cover the COST of the repair
or calibration,
2. Model and serial number of
the product, and
3. Repair instructions and/or
specific problems relative to
the product.
CAUTION
QUICK START GUIDE
The pressure and temperature limitations
shown for the specied level switches
must not be exceeded. These pressures
and temperatures must take into
consideration possible system surge
pressures/temperatures and their
frequencies.
The liquids used must be compatible
with the materials of construction.
Specications of material will be given
upon request. Life expectancy of switch
contacts varies with applications. Ambient
temperature changes do affect switch set
points, since specic gravities of liquids
vary with temperature.
Level switches have been designed to be
shock and vibration resistant; however,
shock and vibration should be minimized.
Excessive contaminants in uid may
inhibit oat operation and occasional
wipe- down may be necessary.
Troubleshooting and maintenance
of level switches should be in strict
compliance with procedures set forth in
the troubleshooting and maintenance
sections of the technical brochure or an
installation, operation, and maintenance
bulletin.
Level switches must not be eld-repaired.
Physical damage to product may render
product unserviceable.
This instrument must not be subjected to
L10/L40/L45/L60/L65
Series
Liquid Level Switches
temperatures, pressure, or electical loads
exceeding those appearing on the name
plate, and specications in our published
literature.
IMPORTANT INFORMATION
Product must be maintained an installed
in strict accordance with the National
Electrical Code and Whitman’s technical
brochure and installation, operation and
maintenance bulletin. Failure to obser ve
this warning could result in serious injuries
or damages.
omega.com/contact-us
Toll-Free:
1-800-826-6342 (USA & Canada only)
Customer Service:
1-800-622-2378 (USA & Canada only)
Engineering Service:
1-800-872-9436 (USA & Canada only)
Telephone:
(203) 359-1660
Fax:
(203) 359-7700
Email:
[email protected]
For other locations visit:
omega.com/worldwide
The information contained in this document is believed to be correct, but
OMEGA accepts no liability for any errors it contains, and reserves the
right to alter specifications without notice.

Single Station Level Switches with “NPT” Mounting
Install units vertically in tank top or bottom using Methods 1, 2, 3, or 4 of this document.
Note
Units will operate normally inclined up to 30 °.
Series
L40/L45 1/8” 1” nom
L60/L65 1/4” 2” nom
L10 1/4” 1 ¼”
Mounting
Plug Size
Float
Diameter