IS-142
Watts No. 142
Process Boiler Water Feeder
(With Direct Feed Through Float Chamber)
Without Strainer- - - - - - - - - - - Type 142
With Strainer- - - - - - - - - - - - - Type 142S
For use on pressing machines and other small process boilers
when feed through float chamber is permissible.
Water is fed automatically as needed to maintain the correct
operating level in the boiler.
The entire unit is simple in design and operation, easy to install
and inexpensive to operator.
The simple construction of the feed valve permits quick and
easy cleaning should it become fouled by dirt in the water
supply.
Diff. between steam Boiler Horse Power
and water pressure.
10 8
20 13
30 16
40 18
50 19
Capacity
Specifications
Connections: Water Feed -
1
⁄2" (13mm)
N.P.T. Female
Float Chamber - 1" (25mm)
N.P.T. Female
Pressure: Steam - Max. 100 psi (6.9 bars)
Water - Max. 145 psi
Water Pressure must be at least
10 psi (69 kPa) higher than steam
pressure.
Installation Instructions
Install feeder as illustrated. If boiler tappings for equalizing pipes
“A” and “B” are not available, connect either one or both as shown
by dotted lines. Install with “water line” mark on float chamber on
a level with the middle try-cock, or about halfway up the gauge
glass. Connect water supply line “C”. If a strainer is used, install it
in this line.
Install by-pass “D” so that boiler can be filled by hand, if necessary.
All valves should be tight-closing and of good quality. Leaky valves
will flood boiler. Blow down float chamber at least once a week by
opening valve “F” and letting water run for a few minutes.
A shutoff and check valve must be installed in the water supply line “E”.
Dotted lines indicate
method of installing
when tappings in boiler
shown in illustration are
not available
Check Valve Shut-Off
Watts type 142
Boiler
union
F
A
B
C
D
E
8
7
⁄8" (225mm)
6"
(152mm)
1
3
⁄8"
(35mm)
2
3
⁄8"
(60mm)
4
7
⁄8"
(124mm)
2
1
⁄2"
(64mm)
1" N.P.T.
1" N.P.T.
1
⁄2" N.P.T.
▲
▲
▲
Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free from defects in material
and workmanship under normal usage for a period of one year from the date of original shipment. In the event of such
defects within the warranty period, the Company will, at its option, replace or recondition the product without charge.
THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY
WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. THE
COMPANY HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach
of warranty, and the Company shall not be responsible for any incidental, special or consequential damages, including
without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does
not work properly, other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign
material, damage from adverse water conditions, chemical, or any other circumstances over which the Company has
no control. This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper
maintenance or alteration of the product.
Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclu-
sion or limitation of incidental or consequential damages. Therefore the above limitations may not apply to you. This
Limited Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You
should consult applicable state laws to determine your rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE
LAW, ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM
THE DATE OF ORIGINAL SHIPMENT.
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use infor-
mation can result in death, serious personal injury,
property damage, or damage to the equipment.
Keep this Manual for future reference.
WARNING
!
The valve should be cleaned and inspected for proper
operation annually.
Without Strainer- - - - - - - - - - - Type 144
With Strainer- - - - - - - - - - - - - Type 144S
Installation Instructions
Install feeder as illustrated. If boiler tappings for equalizing pipes “A”
and “B” are not available, connect either one or both as shown by
dotted lines.
Install with “water line” mark on float chamber on a level with the
middle try-cock, or about halfway up the gauge glass.
Connect water supply line “C”. If a strainer is used, install it in this
line. Connect feed line “D” from valve to bottom of boiler.
Install by-pass “E” so that boiler can be filled by hand if necessary.
All valves should be tight-closing and of good quality. Leaky valves
will flood boiler.
Blow down float chamber at least once a week by opening valve “F”
and letting water run for a few minutes.
A shutoff and check valve must be installed in the water supply line
“G”.
For pressing machine and other small process boilers.
Water is automatically supplied to the boiler as needed
to maintain boiler water at the correct working level.
Feed valve is float-operated and simply constructed.
Can be easily cleaned if fouled by dirt in the water sup-
ply.
Water is fed to the boiler through an independent con-
nection to the bottom of the boiler.
Specifications
CONNECTIONS: Water Feed -
1
⁄2" (13mm)
N.P.T. Female
Float Chamber - 1" (25MM)
N.P.T. Female
PRESSURE: Steam - Max. 100 psi (6.9 bars)
Water - Max. 145 psi
Water Pressure must be at least
10 psi (69 kPa) higher than steam
pressure.
Diff. between steam Boiler Horse Power
and water pressure.
10 8
20 13
30 16
40 18
50 19
Capacity
8
7
⁄8" (225mm)
6"
(152mm)
1
3
⁄8"
(35mm)
2
3
⁄8"
(60mm)
4
7
⁄8"
(124mm)
2
1
⁄2"
(64mm)
1" N.P.T.
1" N.P.T.
1
⁄2" N.P.T.
▲
▲
▲
G
D
C
B
F
E
Check Valve Shut-Off
union
Valve
Union
By Pass
Dotted lines indicate
method of installing
when tappings in boiler
shown in illustration are
not available
Watts type 144
Boiler
1
⁄2" NPT
▲
Watts No. 144
Process Boiler Water Feeder
(With External Water Feed Connections)
WARNING: This product contains chemicals known to the
State of California to cause cancer and birth defects or
other reproductive harm.
For more information: Watts.com/prop65
IS-142 1421 EDP# 1910214 © 2014 Watts
USA: Tel: (978) 689-6066 • Fax: (978) 975-8350 • Watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • Watts.ca
Latin America: Tel: (52) 81-1001-8600 • Fax: (52) 81-8000-7091 • Watts.com
A Watts Water Technologies Company
WARNING
!
The valve should be cleaned and inspected for proper
operation annually.
-
1
-
2
Watts 144S Installation guide
- Type
- Installation guide
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