Watts 142 User Manual
Series 142
Process Boiler Water Feeder with
Direct Feed Through Float
Chamber
Size: 1/2" (15mm)
Series 142 Process Boiler Water Feeders are used in heating
applications on pressing machines and other small process
boilers when direct feed through the float chamber is
permissible. This series has direct water feed connections–
a
1
/2" (15mm) NPT female water feed connection and
a 1" (25mm) NPT female float chamber connection. Water
is fed automatically as needed to maintain the correct water
operating level in the boiler. The entire unit is simple in design
and operation, easy to install, and inexpensive to operate.
The simple construction of the feed valve permits quick and easy
cleaning should it become fouled by dirt in the water supply.
Features
• Direct water feed connections:
1
/2" (15mm) NPT female water feed connection
1" (25mm) NPT female float chamber connection
• Automatic water feed
• Strainer (Model 142S)
• Easy cleaning
Models
142-without strainer
142S -with strainer
Pressure-Temperature
Maximum Working Pressure: 100psi (6.9 bar) Steam
Maximum Working Pressure: 145psi (10.0 bar) Water
The water pressure must be at least 10psi (69 kPa)
higher than steam pressure
Materials
Body: Cast Iron
Strainer: Bronze
For Residential and Commercial Applications
ES-142
Job Name
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Contractor
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Job Location
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Approval
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Engineer
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Contractor’s P.O. No.
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Approval
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Representative
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
142
ES-142 0811 © Watts Regulator Company, 2006
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
Water Safety & Flow Control Products
Check Valve
Shutoff
Boiler
Watts Type 142
Dotted lines indicate
method of installing
when tappings in boiler
shown in illustration
are not available
B
A
C
E
D
F
Dimensions
Capacity
DIFF. BETWEEN STEAM
AND WATER PRESSURE BOILER HORSE POWER
10 8
20 13
30 16
40 18
50 19
87/8" (225mm)
1" N.P.T.
1" N.P.T.
1
/2" N.P.T.
6"
(152mm)
13/8"
(35mm)
13/8"
(60mm)
21/2"
(60mm)
47/8"
(124mm)
Union
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