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ASME A112.19.13-2001

ELECTROHYDRAULIC
AN AMERICAN NATIONAL STANDARD
WATER CLOSETS
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ASME A112.19.13-2001
S T A N D A R D

ELECTROHYDRAULIC
WATER CLOSETS
N A T I O N A L
A M E R I C A N
A N
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Date of Issuance: January 15, 2002

The next edition of this Standard is scheduled for publication in 2006. There
will be no addenda or written interpretations of the requirements of this
Standard issued to this edition.

ASME is the registered trademark of The American Society of Mechanical Engineers.

This code or standard was developed under procedures accredited as meeting the criteria for
American National Standards. The Standards Committee that approved the code or standard
was balanced to assure that individuals from competent and concerned interests have had an
opportunity to participate. The proposed code or standard was made available for public review
and comment that provides an opportunity for additional public input from industry, academia,
regulatory agencies, and the public-at-large.
ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device,
or activity.
ASME does not take any position with respect to the validity of any patent rights asserted in
connection with any items mentioned in this document, and does not undertake to insure anyone
utilizing a standard against liability for infringement of any applicable letters patent, nor assumes
any such liability. Users of a code or standard are expressly advised that determination of the
validity of any such patent rights, and the risk of infringement of such rights, is entirely their
own responsibility.
Participation by federal agency representative(s) or person(s) affiliated with industry is not to
be interpreted as government or industry endorsement of this code or standard.
ASME accepts responsibility for only those interpretations of this document issued in
accordance with the established ASME procedures and policies, which precludes the issuance
of interpretations by individuals.

No part of this document may be reproduced in any form,

in an electronic retrieval system or otherwise,
without the prior written permission of the publisher.

The American Society of Mechanical Engineers

Three Park Avenue, New York, NY 10016-5990

Copyright © 2002 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All Rights Reserved
Printed in U.S.A.
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CONTENTS

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Standards Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Units of Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Reference Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.4 Electrohydraulic Water Closet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.2 Pump System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.3 Pump Motor and Impeller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.4 Pump Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.5 Jet Hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.6 Printed Wiring Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.7 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.8 Electrical Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.9 Pump Temperature Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.10 Wiring Harness Entrance and Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.11 Life Cycle Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3 Marking and Instruction Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3.1 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3.2 Instruction Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

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FOREWORD

In 1992, the Energy Policy Act was enacted into law. This Act not only addressed energy
issues, but also included criteria for water conservation products in the United States which
became effective in January 1994. As a complement to the enactment of this Act, the
plumbing industry had already developed numerous water-efficient plumbing products that
were focused on improving the performance of 1.6 gallon per flush water closets.
One form of technology that has surfaced in the development of water closets utilizes
hydraulic pumps to monitor and control the flow curve, and to dictate the exact discharge
from the tank into the bowl. This Standard addresses the performance of these products,
and defines the electrical and electronic standards that are applicable to these products.
This Standard establishes test criteria for electrohydraulic water closets. This Standard
was based on a standard of an ad-hoc committee of the International Association of Plumbing
and Mechanical Officials (IAPMO).
Suggestions for improvement of this Standard will be welcomed. They should be sent
to The American Society of Mechanical Engineers; Attn: Secretary, A112 Main Committee;
Three Park Avenue; New York, NY 10016-5990.
This Standard was approved as an American National Standard on May 4, 2001.

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ASME STANDARDS COMMITTEE A112
Standardization of Plumbing Materials and Equipment
(The following is the roster of the Committee at the time of approval of this Standard.)

OFFICERS
P. J. Higgins, Chair
S. A. Remedios, Vice Chair
C. J. Gomez, Secretary

COMMITTEE PERSONNEL
R. H. Ackroyd, Consultant
J. S. Aiello, Jacuzzi Whirlpool Bath
J. A. Ballanco, JB Engineering & Code Consulting
S. L. Cavanaugh, United Association
A. Cohen, Arthur Cohen and Associates
P. V. DeMarco, American Standard, Inc.
N. Covino, Alternate, American Standard, Inc.
G. S. Duren, Code Compliance, Inc.
R. Emmerson, Chicago Faucets Co.
F. C. Evans, Consultant
L. S. Galowin, National Institute of Standards and Technology
C. J. Gomez, The American Society of Mechanical Engineers
R. I. Greenwald, Sunroc Corp.
J. P. Gronewold, NSF International
P. J. Higgins, PJ Higgins & Associates, Inc.
D. E. Holloway, SGS US Testing Co.
M. Klimboff, Consultant
M. T. Kobel, IAPMO
J. W. Lauer, Sloan Valve Co.
R. M. Martin, California Energy Commission
P. Meikle, Underwriters Laboratories, Inc.
L. M. Kriegbaum, Alternate, Underwriters Laboratories, Inc.
L. A. Mercer, Moen Inc.
S. Rawalpindiwala, Kohler Co.
J. A. Sargent, Alternate, Kohler Co.
S. A. Remedios, Delta Faucet Co.
G. L. Simmons, Charlotte Pipe and Foundry
W. M. Smith, Jay R. Smith Manufacturing Co.
D. W. Viola, Plumbing Manufacturers Institute
R. E. White, Richard E. White & Associates
W. C. Whitehead, Plumbing & Drainage Institute

PERSONNEL OF A112 PROJECT TEAM 19.13 —

DUAL FLUSH FOR 6 L WATER CLOSETS
J. A. Sargent, Project Team Leader, Kohler Co.
P. J. Higgins, PJ Higgins & Associates, Inc.
M. T. Kobel, IAPMO
S. Rawalpindiwala, Kohler Co.

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ASME A112.19.13-2001

ELECTROHYDRAULIC WATER CLOSETS

1 GENERAL 1.4 Electrohydraulic Water Closet

An electrohydraulic water closet is a siphonic or
1.1 Scope
wash-down water closet as described in ASME
This Standard establishes performance, electrical/elec- A112.19.2M with a nonmechanical trap seal. The water
tronic conformance, temperature, life cycle, marking, closet incorporates electrical motor(s), pump(s), and
and identification requirements for electrohydraulic controllers to facilitate the flushing action.
water closets. In this Standard, the term water closet means an
The use of alternate materials or methods are permit- electrohydraulic water closet unless otherwise indicated.
ted, provided the proposed material or method complies
with the performance requirements and intent of this
Standard. 2 REQUIREMENTS

1.2 Units of Measurement 2.1 General

Values are stated in U.S. Customary units and the 2.1.1 Water Closet. The water closet shall conform
International System of Units (SI). The U.S. Customary to the requirements contained in ASME A112.19.2M
units shall be considered as the standard. or ANSI Z124.4, as appropriate. It shall also meet the
requirements of ASME A112.19.6.
1.3 Reference Standards
2.1.2 Electronic and Electrical Components.
The following documents form a part of this Standard The electronic and electrical components utilized in
to the extent specified herein. Unless otherwise indi- the water closet shall comply with the appropriate
cated, the latest issue shall apply. Underwriters Laboratories (UL) standard or portions
ANSI Z124.4, Plastic Water Closet Bowls and Tanks thereof as may be indicated in this Standard.
Publisher: International Association of Plumbing and
Mechanical Officials, 20001 East Walnut Drive South, 2.2 Pump System
Walnut, CA 91789 The pump systems of an electrohydraulic water closet
ASME A112.19.2M,Vitreous China Plumbing Fixtures shall be tested as a water pump in accordance with
ASME A112.19.6, Hydraulic Performance Require- UL 778. The applicable sections of UL 778 for compli-
ments for Water Closets and Urinals ance are:
Publisher: The American Society of Mechanical Engi- (a) Construction, sections 1 through 8 and 10
neers, ASME Order Department, 22 Law Drive, Box through 28;
2300, Fairfield, NJ 07007 (b) Performance, sections 29 through 35 and 37
through 47;
UL 62, Flexible Cord and Fixture Wire (c) Manufacturing and Production Tests, sections 49
UL 157, Gaskets and Seals and 50;
UL 244A-1994, Solid-State Controls for Appliances (d) Rating, section 51;
UL 746C, Polymeric Materials — Used in Electrical (e) Markings, sections 48, 52, and 53;
Equipment Evaluations
(f) Instruction, sections 54 and 55.
UL 778, Motor Operated Water Pumps
UL 796, Printed-Wiring Boards
UL 817, Cord Sets and Power-Supply Cords 2.3 Pump Motor and Impeller
UL 1585, Class 2 and Class 3 Transformers The pump motor to the pump impeller coupling shall
Publisher: Underwriters Laboratories Inc., 333 Pfingsten be nonmechanical and seamless. To minimize electrical
Road, Northbrook, IL 60062 hazards, the design shall provide a completely sealed

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ASME A112.19.13-2001 ELECTROHYDRAULIC WATER CLOSETS

chamber for the motor and electronics without the use 2.9 Pump Temperature Testing
of seals or O-rings. The pump shall be tested as described in para. 2.2(b),
section 34 of UL 778, at the maximum duty cycle the
2.4 Pump Housing pump will allow.

Electric motors or pump enclosures shall comply 2.10 Wiring Harness Entrance and Location
with UL 746C and be plastic rated 94-5V or better as The wiring harness and electrical controls not en-
specified in UL 746C. closed in the pump housing shall be located above the
flood level rim of the tank or reservoir and above the
2.5 Jet Hose drains or overflows.

The pump jet hose, if provided, shall withstand a 2.11 Life Cycle Test
pressure of 25 ± 1 psi (172 ± 6.9 kPa) for 60 min. The electrical components and pump shall pass a
75,000 life cycle test. The test shall be performed on
2.6 Printed Wiring Boards the water closet at the maximum cycle rate the electronic
controls will allow. Upon completion of the life cycle
Wiring boards shall comply with UL 244A-1994, test, the average volume per flush shall not vary more
sections 14.1 and 14.2, and UL 796. than 0.15 gal (0.57 L) or 10%, whichever is greater.

2.7 Switches 3 MARKING AND INSTRUCTION MANUAL

Switches shall be located in class 2 circuits only. 3.1 Marking

NOTE: A class 2 circuit is a circuit with an open potential of no 3.1.1 Water Closet. The water closet shall be
more than 30 V rms (42.2 V peak) supplied by either an inherently legibly marked as specified in ASME A112.19.2M
limited class 2 transformer or by a transformer and fixed impedance and other standards referenced in this Standard (see
that together comply with all the requirements for inherently limited para. 1.3).
class 2 transformers in UL 1585.
3.1.2 Pump. The pump shall have the following
markings visible on it in its normal operating position
and a second label visible on the exterior of the water
2.8 Electrical Supply Cord closet or cord stating:
Electrical supply cords shall be provided with 3 ft WARNING:
(0.9 m) minimum, 6 ft (1.8 m) maximum of permanently To reduce the risk of shock, connect only to a properly grounded
attached cord and an attachment plug for connection type receptacle, protected by a ground-fault circuit interrupter
(GFCI).
to the branch-circuit supply. The cord shall conform
to UL 62 or UL 817. It shall be marked “Water The word warning shall be a minimum of 3⁄32 in.
Resistant” and include an equipment-grounding conduc- (2.4 mm) high.
tor. Where the electrical supply cord exits the fixture,
the surface shall be smooth, with rounded surfaces or 3.2 Instruction Manual
provided with a grommet. Seals and gaskets shall An instruction manual shall be provided that includes
conform to UL 157. instructions for routine maintenance and operation.

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